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Author SHA1 Message Date
OmikronApexandClaude Fable 5 b5429d31a2 Merge origin/fix/asio-all-app-audio (teammate teardown fix)
Kept theirs: fresh loopback context per session + close() on teardown
(orphaned-worklet fix) and its test. Kept ours: deferred debug-gated
install lines, cache-control, decision-vector diag.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 18:05:16 +02:00
OmikronApexandClaude Fable 5 11fb837907 Merge origin/main into fix/asio-all-app-audio
Squash-merged diag/feeder work already in main; conflict was the
deferred install-line gating vs main's plain flag resolve — kept ours.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 18:01:06 +02:00
OmikronApexandClaude Fable 5 f74901cc12 fix(diag): gate install-time + uncaught-error [asio-diag] lines on --debug
The error tap and install lines from the previous diag commit were
unconditional. Now: error/rejection taps check _asioDiagEnabled() at
event time; install lines log deferred once the async debugEnabled()
resolves true. The NOT-installed anomaly lines stay bridge-gated
(window.feedBackDesktop present) instead — a broken bridge can't deliver
the debug flag, they fire at most once, and only in the broken state
they exist to witness. Docker sphere: fully silent.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 17:59:08 +02:00
OmikronApexandClaude Fable 5 381dccc716 fix(static): force conditional revalidation on /static (Cache-Control: no-cache)
Without Cache-Control Chromium's heuristic freshness (10% of file age)
serves /static/app.js from disk cache for hours-to-days without
revalidating. Desktop consequence: a new build's window ran the previous
build's app.js — the 2026-07-11 ASIO investigation traced 'routing
watcher never installed' + a stems module-plugin SyntaxError to exactly
this (stale loader predating scriptType support). no-cache keeps caching
but revalidates via ETag — unchanged files still cost only a 304.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 17:44:18 +02:00
OmikronApexandClaude Fable 5 6797c03603 feat(diag): install-time + uncaught-error diagnostics for the reroute chain
2026-07-11 tester log showed the routing watcher and renderer-bus feeder
never installed (zero [feedpak-route]/[renderer-bus] lines) plus an
uncaught SyntaxError with no source location — nothing in the log said
why. New:

- global error/unhandledrejection tap logging message + filename:line:col
  (error events carry the location even for parse errors in other scripts)
- explicit install / NOT-installed lines for watcher and feeder (incl.
  loopback capability probe)
- DOMException detail (name/message/stack head) in the feeder retry warn
  — the console-message forward stringified it to [object DOMException]

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 17:32:05 +02:00
Byron GamatosandClaude Opus 4.8 8f53ea11ae fix(audio): close loopback capture context on teardown (release tap worklet)
The loopback context was reused across engages (_lbCtx || new), but teardown
only stopped the stream + deactivated the tap — never closing the context or
detaching the worklet node. Each exclusive<->shared switch orphaned a live
tap worklet on the long-lived context. Use a fresh context per session and
close it on disengage. Adds a test asserting the context is closed on teardown.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-11 13:43:20 +02:00
3d34469535 feat(audio): loopback feeder mode — all app audio under exclusive/ASIO
Tester-confirmed (2026-07-11 log): song previews and other
plugin-private audio bypass the per-surface feeder taps and leak to the
default WASAPI device under ASIO output. Also confirmed: the element
capture path poisons itself when highway_3d already owns #audio's
one-shot MediaElementSource (InvalidStateError with _elCtx assigned
pre-throw → TypeError every later tick).

- New preferred mode 'loopback': one getDisplayMedia frame-audio capture
  (desktop main answers with the app's own frame) covers song, previews,
  and UI sounds for the whole exclusive session — engages even with no
  song loaded. Local playback silenced via suppressLocalAudioPlayback,
  page-mute IPC fallback otherwise.
- Sticky fallback to the existing stems/element surface modes when
  capture is unavailable (old desktop main, denied, Docker sphere).
- Element capture: assign module state only after the whole chain
  succeeds; close the context on failure — collision now retries clean.
- Failed engage now disables the bus and tears down loopback (no more
  bus-enabled-with-no-producer stranding).
- Tests: 12 (5 new — loopback engage/preference/mute-fallback/sticky
  fallback, collision retry).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 13:43:20 +02:00
OmikronApexandClaude Fable 5 c02239813b feat(audio): loopback feeder mode — all app audio under exclusive/ASIO
Tester-confirmed (2026-07-11 log): song previews and other
plugin-private audio bypass the per-surface feeder taps and leak to the
default WASAPI device under ASIO output. Also confirmed: the element
capture path poisons itself when highway_3d already owns #audio's
one-shot MediaElementSource (InvalidStateError with _elCtx assigned
pre-throw → TypeError every later tick).

- New preferred mode 'loopback': one getDisplayMedia frame-audio capture
  (desktop main answers with the app's own frame) covers song, previews,
  and UI sounds for the whole exclusive session — engages even with no
  song loaded. Local playback silenced via suppressLocalAudioPlayback,
  page-mute IPC fallback otherwise.
- Sticky fallback to the existing stems/element surface modes when
  capture is unavailable (old desktop main, denied, Docker sphere).
- Element capture: assign module state only after the whole chain
  succeeds; close the context on failure — collision now retries clean.
- Failed engage now disables the bus and tears down loopback (no more
  bus-enabled-with-no-producer stranding).
- Tests: 12 (5 new — loopback engage/preference/mute-fallback/sticky
  fallback, collision retry).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 13:14:05 +02:00
OmikronApexandClaude Fable 5 403024f37b Merge origin/main into diag/asio-routing-debug
main already contains the renderer-bus Phase 2 feeder; conflicts were
the [asio-diag] insertions vs identical upstream context — kept ours.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 00:15:56 +02:00
OmikronApexandClaude Fable 5 f68bf6b2fa feat(diag): --debug ASIO routing diagnostics in static bundle
Gated on window.feedBackDesktop.audio.debugEnabled() (desktop --debug);
inert in the Docker sphere and normal desktop runs.

- [asio-diag] getCurrentDevice= full device object on outputType change
  (catches ASIO drivers reporting a non-'ASIO' type name)
- [asio-diag] renderer-bus: full feeder decision vector, change-gated
  (running/exclusive/stems/juceMode/elementSong/want/mode)
- [asio-diag] setSink: every sink flip with ctx state + rate

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 00:08:37 +02:00
OmikronApex a732523e7a Merge remote-tracking branch 'origin/main' into feat/renderer-bus-phase2 2026-07-09 22:36:58 +02:00
OmikronApexandClaude Fable 5 ef2093f8ad feat(audio): renderer-bus feeder — mix renderer song audio into engine output (Phase 2)
Under exclusive-style output the native backing transport (Phase 1, #824)
carries loose /audio/ songs and feedpak full-mixes, but not the stems
plugin's multi-stem WebAudio graph or tracks JUCE rejected. The feeder taps
the renderer-side master with an AudioWorklet, re-points the owning
AudioContext at a null sink so it keeps rendering without a device, and
pushes ~10 ms chunks over IPC into the desktop engine's renderer bus
(feedBack-desktop#90 follow-up). Inert in the Docker sphere and in shared
mode. Validated by the fix12 tester spike: null-sink rendering works,
clocks hold, no overflow.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-09 20:47:35 +02:00
OmikronApexandClaude Fable 5 ec63235ecd feat(audio): route feedpak full-mix natively under exclusive output
Song playback runs through the renderer, which WASAPI-exclusive (and
ASIO) output silences. Route single-mix feedpaks (stem-less
original_audio packs AND single-stem packs) onto the engine's backing
transport when the output device type is exclusive-style, and migrate
back to HTML5 when it isn't. Extends /api/audio-local-path to resolve
/api/sloppak/.../file/... URLs via the same containment guards as
serve_sloppak_file. Multi-stem packs stay on the WebAudio path
(Phase 2). Includes [feedpak-route] transition-gated diagnostics
logging.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-09 19:33:28 +02:00
40 changed files with 4779 additions and 5642 deletions
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@@ -43,19 +43,12 @@ module.exports = [
languageOptions: { ecmaVersion: 'latest', sourceType: 'script' },
rules: { 'max-lines': sizeRule(1500) },
},
// ES-module graphs (a plugin's src/ tree, .mjs tests, core's own static/js/
// tree): module parsing + the acyclic-imports hard gate + the size norm. A
// migrated bundled plugin's entry `import './src/main.js'` screen.js must
// parse as a module — add its glob here in that plugin's migration PR
// (classic screen.js stays a script).
//
// `static/app.js` is listed explicitly: it is served as
// <script type="module"> (R3a) and now `import`s its carved-out modules, so
// parsing it as a script would be a syntax error. It is the ENTRY of core's
// module graph, which is what makes no-cycle meaningful here — a carved
// module that imports app.js back would close a cycle and fail this gate.
// ES-module graphs (a plugin's src/ tree, .mjs tests): module parsing + the
// acyclic-imports hard gate + the size norm. A migrated bundled plugin's
// entry `import './src/main.js'` screen.js must parse as a module — add its
// glob here in that plugin's migration PR (classic screen.js stays a script).
{
files: ['**/src/**/*.js', '**/*.mjs', 'static/app.js', 'static/js/**/*.js'],
files: ['**/src/**/*.js', '**/*.mjs'],
languageOptions: { ecmaVersion: 'latest', sourceType: 'module' },
plugins: { 'import-x': importX },
// v4 flat-config resolver (resolver-next + createNodeResolver). Without
+4686 -219
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-17
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@@ -1,17 +0,0 @@
// The one <audio> element the whole app plays through.
//
// This exists so that code carved out of app.js can reach the player without
// importing app.js back — which would close a cycle and fail the import-x/no-cycle
// gate. It is the same handle app.js has always held (`document.getElementById`
// on the element in the shell), just given a home of its own.
//
// It is deliberately a `const`, and it is never reassigned anywhere in core — so a
// read-only import binding is exactly right, and no state container is needed.
// (Contrast the reassigned scalars — isPlaying, _avOffsetMs, … — which cannot be
// shared this way, because an imported binding cannot be written to.)
//
// Module scripts evaluate after the HTML is parsed, so the element is already in
// the document by the time this runs. app.js is loaded as <script type="module">,
// and its imports evaluate before its body — the same point at which app.js used
// to run this exact lookup itself.
export const audio = document.getElementById('audio');
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@@ -1,389 +0,0 @@
// Count-in — the 1-2-3-4 click before playback, plus the song-credits overlay that
// shares its lifecycle and timers.
//
// The third slice out of app.js's strongly-connected core, and the first that had to
// WRITE shared state rather than just read it. It starts and stops playback, so it sets
// `isPlaying` and `lastAudioTime`. An imported binding is read-only — `isPlaying = true`
// throws — which is exactly why those two scalars were lifted onto the container in
// ./player-state.js. Every earlier slice only READ what it shared, so a getter hook
// sufficed; this one could not.
//
// It imports the loop module directly (setLoop / loopA / loopB — a count-in that starts
// inside an A-B loop must begin at A). Nothing imports count-in back: app.js and
// section-practice both reach it through the host seam, so the graph stays acyclic.
//
// app.js's autoplay path used to reach IN and set the credits timers itself. It cannot
// now, and it should not have to — so the module exports the OPERATIONS instead
// (armCreditsHideOnPlay, scheduleCreditsHide, holdCreditsThen, isCountingIn) and owns
// its own timer invariants. Same reason section-practice grew resetSelection().
//
// See ./host.js: reading an unwired hook THROWS, and tests/js/host_contract.test.js
// fails CI if the hooks used here and the hooks app.js wires ever drift apart.
import { audio } from './audio-el.js';
import { host } from './host.js';
import { loopA, loopB, setLoop } from './loops.js';
import { S } from './player-state.js';
// ── Count-in click sound (Web Audio API) ────────────────────────────────
let _audioCtx = null;
export function playClick(high = false) {
if (!_audioCtx) _audioCtx = new (window.AudioContext || window.webkitAudioContext)();
const osc = _audioCtx.createOscillator();
const gain = _audioCtx.createGain();
osc.connect(gain);
gain.connect(_audioCtx.destination);
osc.frequency.value = high ? 1200 : 800;
osc.type = 'sine';
gain.gain.setValueAtTime(0.5, _audioCtx.currentTime);
gain.gain.exponentialRampToValueAtTime(0.001, _audioCtx.currentTime + 0.08);
osc.start(_audioCtx.currentTime);
osc.stop(_audioCtx.currentTime + 0.08);
}
let _countingIn = false;
let _countOverlay = null;
// Generation token so teardown can cancel an in-progress count-in. Each
// startCountIn() captures the gen at entry; rewindStep, the loop-wrap
// then-callback, and beginCount's tick all bail when their captured gen
// no longer matches. Bumped by _cancelCountIn().
let _countInGen = 0;
let _countInTimer = null;
let _countInRaf = 0;
// Feedpak credits overlay (manifest `authors:`, spec §5.4): shown on the
// highway when a song is loaded, alongside the count-in. Torn down together
// with the count-in via _cancelCountIn().
let _creditsOverlay = null;
let _creditsTimer = null;
let _creditsHideOnPlay = null;
let _creditsMaxTimer = null;
const _CREDITS_HOLD_MS = 3000;
// Backstop: the overlay's primary dismiss is song:play, but playback can fail
// to start without emitting it (HTML5 autoplay rejection, JUCE start failure,
// a count-in handoff that never plays). This hard cap guarantees the credits
// never linger over the highway. Generous enough to outlast a normal count-in.
const _CREDITS_MAX_MS = 12000;
export function _cancelCountIn() {
_countInGen++;
_countingIn = false;
hideCountOverlay();
// The credits overlay rides the count-in lifecycle (and its no-count-in
// hold timer), so a teardown — leaving the player, loading another song —
// must clear it too, or it lingers on the next screen.
hideSongCreditsOverlay();
if (_countInTimer) { clearTimeout(_countInTimer); _countInTimer = null; }
if (_countInRaf) { cancelAnimationFrame(_countInRaf); _countInRaf = 0; }
}
export function showCountOverlay(n) {
if (!_countOverlay) {
_countOverlay = document.createElement('div');
_countOverlay.className = 'fixed inset-0 z-[100] flex items-center justify-center pointer-events-none';
document.body.appendChild(_countOverlay);
}
_countOverlay.innerHTML = `<span class="text-9xl font-black text-white/30">${n}</span>`;
}
export function hideCountOverlay() {
if (_countOverlay) { _countOverlay.remove(); _countOverlay = null; }
}
// Map a feedpak author `role` to a friendly "<verb> by" credit line. The
// recommended vocabulary is from feedpak spec §5.4; unknown roles are
// title-cased ("foo" → "Foo by"); a missing role shows the bare name.
const _CREDIT_ROLE_VERBS = {
charter: 'Charted by',
transcriber: 'Transcribed by',
arranger: 'Arranged by',
editor: 'Edited by',
mixer: 'Mixed by',
engineer: 'Engineered by',
proofreader: 'Proofread by',
};
function _creditLineLabel(role) {
if (!role) return '';
const key = String(role).trim().toLowerCase();
if (_CREDIT_ROLE_VERBS[key]) return _CREDIT_ROLE_VERBS[key];
return key.charAt(0).toUpperCase() + key.slice(1) + ' by';
}
// Show the feedpak contributor credits over the highway. `authors` is the
// sanitized [{name, role}] list from window.feedBack.currentSong.authors.
// Anchored to the lower third (bottom-center) so it never collides with the
// vertically-centered count-in number, and pointer-events-none so it never
// intercepts clicks. No-op when there are no contributors to show.
export function showSongCreditsOverlay(authors) {
if (!Array.isArray(authors) || authors.length === 0) return;
if (!_creditsOverlay) {
_creditsOverlay = document.createElement('div');
_creditsOverlay.className = 'song-credits-overlay';
document.body.appendChild(_creditsOverlay);
}
// Build via DOM + textContent — author names are untrusted pack data and
// must never be interpolated as HTML.
_creditsOverlay.replaceChildren();
const card = document.createElement('div');
card.className = 'song-credits-card';
const eyebrow = document.createElement('div');
eyebrow.className = 'song-credits-eyebrow';
eyebrow.textContent = 'Credits';
card.appendChild(eyebrow);
const title = (window.feedBack && window.feedBack.currentSong
&& window.feedBack.currentSong.title) || '';
if (title) {
const heading = document.createElement('div');
heading.className = 'song-credits-heading';
heading.textContent = title;
card.appendChild(heading);
}
for (const a of authors) {
if (!a || !a.name) continue;
const row = document.createElement('div');
row.className = 'song-credits-line';
const label = _creditLineLabel(a.role);
if (label) {
const lab = document.createElement('span');
lab.className = 'song-credits-role';
lab.textContent = label + ' ';
row.appendChild(lab);
}
const nm = document.createElement('span');
nm.className = 'song-credits-name';
nm.textContent = a.name;
row.appendChild(nm);
card.appendChild(row);
}
_creditsOverlay.appendChild(card);
// Arm the backstop so the overlay self-clears even if playback never starts
// / never emits song:play. song:play (or any teardown) clears it earlier.
if (_creditsMaxTimer) clearTimeout(_creditsMaxTimer);
_creditsMaxTimer = setTimeout(hideSongCreditsOverlay, _CREDITS_MAX_MS);
}
export function hideSongCreditsOverlay() {
if (_creditsTimer) { clearTimeout(_creditsTimer); _creditsTimer = null; }
if (_creditsMaxTimer) { clearTimeout(_creditsMaxTimer); _creditsMaxTimer = null; }
if (_creditsHideOnPlay) {
window.feedBack.off('song:play', _creditsHideOnPlay);
_creditsHideOnPlay = null;
}
if (_creditsOverlay) { _creditsOverlay.remove(); _creditsOverlay = null; }
}
export async function startCountIn(opts = {}) {
if (_countingIn) return;
_countingIn = true;
// Snapshot the current gen so every delayed callback (rewind frames,
// post-seek then, count-in ticks, post-count play) can bail if a
// teardown bumped the gen mid-flight via _cancelCountIn().
const gen = _countInGen;
const immediate = !!opts.immediate;
if (window._juceMode) {
await host.jucePlayer().pause().catch((err) => console.error('[app] host.jucePlayer().pause error in count-in:', err));
} else {
audio.pause();
}
if (gen !== _countInGen) return; // teardown during pause
// Section-practice entry: already at loop A after setLoop(); skip the
// B→A rewind animation used on loop wrap and go straight to clicks.
if (immediate) {
if (loopA === null || loopB === null) {
_countingIn = false;
return;
}
S.lastAudioTime = loopA;
highway.setTime(loopA);
if (window.feedBack) {
window.feedBack.emit('loop:restart', { loopA, loopB, time: loopA });
}
beginCount();
return;
}
// Rewind animation: sweep highway time from B to A
const rewindDuration = 400; // ms
const rewindStart = performance.now();
const fromTime = loopB;
const toTime = loopA;
function rewindStep(now) {
if (gen !== _countInGen) return; // teardown mid-rewind
const elapsed = now - rewindStart;
const t = Math.min(elapsed / rewindDuration, 1);
// Ease out quad
const eased = 1 - (1 - t) * (1 - t);
const currentT = fromTime + (toTime - fromTime) * eased;
highway.setTime(currentT);
if (t < 1) {
_countInRaf = requestAnimationFrame(rewindStep);
} else {
_countInRaf = 0;
// Rewind done — set final position and start count.
// Await the JUCE seek so the engine has repositioned before
// we start the click track (HTML5 path is synchronous).
host._audioSeek(loopA, 'loop-wrap').then((r) => {
if (gen !== _countInGen) return; // teardown during seek
// Abort the loop restart in two cases:
// 1. Cancelled (player torn down): don't beginCount on a
// new session.
// 2. Off-target landing (JUCE rollback / clamp far from
// loopA): proceeding would emit loop:restart and start
// a count-in from the wrong position. Audio is at
// r.from / r.to, which is not where the loop wants to
// resume — better to drop this iteration than play out
// of sync.
// 50 ms tolerance: well within JUCE's normal seek precision
// but tight enough to catch a real rollback or no-op.
if (!r.completed || Math.abs(r.to - loopA) > 0.05) {
// startCountIn paused audio at entry but left isPlaying
// alone — beginCount would have set it on resume. On
// abort, sync the transport: audio is paused, so
// isPlaying must reflect that and the button + plugin
// host must agree.
_countingIn = false;
if (S.isPlaying) {
S.isPlaying = false;
host.setPlayButtonState(false);
if (window.feedBack) {
window.feedBack.isPlaying = false;
window.feedBack.emit('song:pause', host._songEventPayload());
}
}
return;
}
// Use the verified post-seek clock for the chart so audio
// and chart stay in sync if JUCE clamped to slightly
// before/after loopA. The loop:restart event keeps `time:
// loopA` because subscribers treat that as the semantic
// marker for "new iteration starts at A", not the actual
// audio position.
S.lastAudioTime = r.to;
highway.setTime(r.to);
window.feedBack.emit('loop:restart', { loopA, loopB, time: loopA });
beginCount();
});
}
}
_countInRaf = requestAnimationFrame(rewindStep);
function beginCount() {
const bpm = highway.getBPM(loopA);
const beatInterval = 60 / bpm;
let count = 0;
function tick() {
if (gen !== _countInGen) return; // teardown mid-count
count++;
if (count > 4) {
hideCountOverlay();
_countingIn = false;
if (window._juceMode) {
host.jucePlayer().play().then((started) => {
if (gen !== _countInGen) return; // teardown during play start
if (!started) return;
S.isPlaying = true;
host.setPlayButtonState(true);
window.feedBack.isPlaying = true;
const payload = host._songEventPayload();
window.feedBack.emit('song:play', payload);
window.feedBack.emit('song:resume', payload);
}).catch((err) => console.error('[app] host.jucePlayer().play error:', err));
} else {
audio.play().then(() => {
if (gen !== _countInGen) return;
S.isPlaying = true;
host.setPlayButtonState(true);
}).catch((err) => {
if (gen !== _countInGen) return;
// An engine reroute's deliberate pause aborts this play()
// while playback continues on JUCE — don't reset the
// button (mirrors the togglePlay guard).
if (window._juceRerouteInProgress) return;
// Same rationale as togglePlay: don't claim playback
// started if the Promise rejected.
console.error('[app] audio.play() rejected after count-in:', err);
S.isPlaying = false;
host.setPlayButtonState(false);
});
}
return;
}
showCountOverlay(count);
playClick(count === 1);
_countInTimer = setTimeout(tick, beatInterval * 1000);
}
_countInTimer = setTimeout(tick, 500);
}
}
// Start-of-song count-in: a 4-beat click before playback begins, gated by the
// "Countdown before song" setting (Gameplay tab). Mirrors the loop count-in's
// overlay + click + gen-token cancellation, but counts from the song's current
// position (0 at song start) with no loop A/B rewind. startCountIn() is loop-
// coupled (early-returns when loopA/loopB are null), so this is a sibling
// rather than an overload. Hands off to togglePlay() once the count completes.
export async function startSongCountIn() {
if (_countingIn) return;
_countingIn = true;
// Snapshot the gen so a teardown (showScreen/playSong calls _cancelCountIn)
// bumps it and every delayed callback below bails.
const gen = _countInGen;
if (window._juceMode) {
await host.jucePlayer().pause().catch((err) => console.error('[app] host.jucePlayer().pause error in song count-in:', err));
} else {
audio.pause();
}
if (gen !== _countInGen) return; // teardown during pause
const startT = S.lastAudioTime || 0;
let bpm = highway.getBPM(startT);
// Pre-chart / malformed-tempo fallback: 4 beats at 120 BPM (500 ms each).
if (!Number.isFinite(bpm) || bpm <= 0) bpm = 120;
const beatInterval = 60 / bpm;
let count = 0;
function tick() {
if (gen !== _countInGen) return; // teardown mid-count
count++;
if (count > 4) {
hideCountOverlay();
_countingIn = false;
// Hand off to the normal play path — togglePlay() flips isPlaying,
// updates the button, and emits song:play/resume for plugins.
Promise.resolve(host.togglePlay()).catch((err) => console.warn('[app] play after count-in failed:', err));
return;
}
showCountOverlay(count);
playClick(count === 1);
_countInTimer = setTimeout(tick, beatInterval * 1000);
}
// First beat after a short lead-in, matching the loop count-in's 500 ms.
_countInTimer = setTimeout(tick, 500);
}
// ── Operations app.js's autoplay path used to perform by reaching in ────────
// It used to assign _creditsTimer / _creditsHideOnPlay directly. Imported bindings are
// read-only, and the module should own its own timer invariants anyway.
/** Is a count-in running? app.js's timeupdate handler suppresses highway sync during one. */
export function isCountingIn() {
return _countingIn;
}
/** Dismiss the credits the moment real playback begins. Fires once. */
export function armCreditsHideOnPlay() {
_creditsHideOnPlay = () => { _creditsHideOnPlay = null; hideSongCreditsOverlay(); };
window.feedBack.on('song:play', _creditsHideOnPlay, { once: true });
}
/** Let the credits dwell, then clear them. Used when autoplay-exit is disabled. */
export function scheduleCreditsHide() {
_creditsTimer = setTimeout(hideSongCreditsOverlay, _CREDITS_HOLD_MS);
}
/** Let the credits dwell, then run `then` (the autoplay start). */
export function holdCreditsThen(then) {
_creditsTimer = setTimeout(() => { _creditsTimer = null; then(); }, _CREDITS_HOLD_MS);
}
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// The diagnostics-bundle export — the Settings "Export diagnostics" flow.
//
// Carved verbatim out of static/app.js (R3a). A LEAF module: imports nothing.
// It snapshots the browser-only state (console ring buffer, hardware probe,
// localStorage, ua) via window.feedBack.diagnostics, POSTs it to
// /api/diagnostics/export with the user's include/redact toggles, and streams the
// returned zip to disk. Bundle layout + schemas: docs/diagnostics-bundle-spec.md.
//
// Everything except the two entry points is module-private — the preview
// renderer, the file-label table, and the byte/HTML formatters are used nowhere
// else in core.
//
// Companion to Settings export but for troubleshooting bug reports.
// Bundle layout + schemas: docs/diagnostics-bundle-spec.md.
//
// Frontend's job is to:
// 1. Snapshot the browser-only state (console ring buffer, hardware
// probe, localStorage, ua) via window.feedBack.diagnostics.
// 2. POST it to /api/diagnostics/export with the user's include /
// redact toggles.
// 3. Stream the returned zip to disk.
function _diagIncludeFromUI() {
const v = (id) => document.getElementById(id)?.checked !== false;
return {
system: v('diag-incl-system'),
hardware: v('diag-incl-hardware'),
logs: v('diag-incl-logs'),
console: v('diag-incl-console'),
plugins: v('diag-incl-plugins'),
};
}
function _diagRedactFromUI() {
const el = document.getElementById('diag-redact');
return el ? !!el.checked : true;
}
// Map raw file paths inside the bundle to plain-English labels +
// descriptions for the preview UI. Only paths that show up in
// previews need entries — unknown paths fall back to the path itself.
const _DIAG_FILE_LABELS = {
'system/version.json': { label: 'App version', desc: 'FeedBack version, Python, OS' },
'system/env.json': { label: 'Environment', desc: 'Allowlisted env vars (LOG_LEVEL, etc.). No secrets.' },
'system/hardware.json': { label: 'Hardware (server-side)', desc: 'CPU, RAM, GPU. In Docker this reflects the container, not the host.' },
'system/plugins.json': { label: 'Plugins', desc: 'Loaded plugins + git commit + orphan detection.' },
'logs/server.log': { label: 'Server log', desc: 'Tail of LOG_FILE (last ~5 MB).' },
'logs/server.log.meta.json': { label: 'Log metadata', desc: 'Log file path, size, rotation info.' },
'client/console.json': { label: 'Browser console', desc: 'console.log/warn/error transcript + window errors.' },
'client/hardware.json': { label: 'Hardware (browser)', desc: 'WebGL/WebGPU adapter, host OS via userAgent.' },
'client/local_storage.json': { label: 'Browser storage', desc: 'localStorage contents (preferences).' },
'client/ua.json': { label: 'User agent', desc: 'Browser, screen, page URL.' },
};
function _formatBytes(n) {
if (!n || n < 1024) return (n || 0) + ' B';
if (n < 1024 * 1024) return (n / 1024).toFixed(1) + ' KB';
return (n / (1024 * 1024)).toFixed(1) + ' MB';
}
function _escapeHtml(s) {
return String(s || '').replace(/[&<>"']/g, c => ({
'&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;',
}[c]));
}
function _renderDiagPreview(data) {
const m = data.manifest || {};
const files = m.files || [];
const groups = { system: [], logs: [], client: [], plugins: [], other: [] };
for (const f of files) {
const top = (f.path || '').split('/')[0];
(groups[top] || groups.other).push(f);
}
const totalBytes = files.reduce((s, f) => s + (f.size || 0), 0);
const include = _diagIncludeFromUI();
const redact = _diagRedactFromUI();
const sections = [];
// Per-file `summary` (server-derived) → human one-liner.
function _summaryLine(path, summary) {
if (!summary || typeof summary !== 'object') return '';
if (path === 'system/plugins.json') {
const loaded = summary.loaded_count || 0;
const orphans = summary.orphan_count || 0;
const orphPart = orphans ? ` · <span class="text-amber-400">${orphans} orphan${orphans === 1 ? '' : 's'}</span>` : '';
return `${loaded} plugin${loaded === 1 ? '' : 's'} loaded${orphPart}`;
}
if (path === 'client/console.json') {
const total = summary.entry_count || 0;
const lvl = summary.by_level || {};
const parts = [];
for (const k of ['error','warn','info','log','debug']) {
if (lvl[k]) parts.push(`${lvl[k]} ${k}`);
}
return `${total} entries${parts.length ? ' (' + parts.join(', ') + ')' : ''}`;
}
if (path === 'system/hardware.json') {
const bits = [];
if (summary.cpu_brand) bits.push(summary.cpu_brand);
if (summary.cores_logical) bits.push(`${summary.cores_logical} cores`);
if (summary.gpu_count) bits.push(`${summary.gpu_count} GPU`);
if (summary.runtime) bits.push(`runtime: ${summary.runtime}`);
return bits.join(' · ');
}
if (path === 'client/hardware.json') {
const bits = [];
if (summary.runtime) bits.push(summary.runtime);
if (summary.webgl_renderer) bits.push(summary.webgl_renderer);
return bits.join(' · ');
}
if (path === 'client/local_storage.json') {
return `${summary.key_count || 0} keys`;
}
if (path === 'system/version.json') {
const bits = [];
if (summary.feedBack) bits.push(`feedBack ${summary.feedBack}`);
if (summary.python) bits.push(`python ${summary.python}`);
if (summary.os) bits.push(summary.os);
return bits.join(' · ');
}
return '';
}
function pushSection(title, list, emptyHint) {
if (!list.length) {
if (emptyHint) {
sections.push(`<div class="mb-3"><div class="text-gray-300 font-semibold mb-1">${_escapeHtml(title)}</div><div class="text-gray-500">${_escapeHtml(emptyHint)}</div></div>`);
}
return;
}
const rows = list.map(f => {
const meta = _DIAG_FILE_LABELS[f.path] || { label: f.path, desc: '' };
const summary = _summaryLine(f.path, f.summary);
const summaryHtml = summary
? `<div class="text-accent-light text-[10px] mt-0.5">${summary}</div>`
: '';
return `<div class="flex justify-between gap-4 py-1 border-b border-dark-600 last:border-0">
<div class="min-w-0">
<div class="text-gray-200">${_escapeHtml(meta.label)}</div>
<div class="text-gray-500 text-[10px]">${_escapeHtml(meta.desc)}</div>
${summaryHtml}
</div>
<div class="text-gray-400 text-right whitespace-nowrap">${_escapeHtml(_formatBytes(f.size))}</div>
</div>`;
}).join('');
sections.push(`<div class="mb-3"><div class="text-gray-300 font-semibold mb-1">${_escapeHtml(title)}</div>${rows}</div>`);
}
pushSection('System', groups.system, include.system ? '' : 'Skipped (toggle off)');
pushSection('Server logs', groups.logs, include.logs
? 'No log file configured — set LOG_FILE env var to include server logs.'
: 'Skipped (toggle off)');
pushSection('Plugin diagnostics', groups.plugins, include.plugins
? 'No plugins have opted in to diagnostics.'
: 'Skipped (toggle off)');
// Client section preview is a server-side estimate only — actual
// client/* payloads are added at Export time after the browser
// snapshots. Show what WILL be added, not file sizes.
const clientLines = [];
if (include.console) clientLines.push({ label: 'Browser console', desc: 'console.log/warn/error transcript + window errors.' });
if (include.hardware) clientLines.push({ label: 'Hardware (browser)', desc: 'WebGL/WebGPU adapter, host OS via userAgent.' });
clientLines.push({ label: 'Browser storage', desc: 'localStorage contents (preferences).' });
clientLines.push({ label: 'User agent', desc: 'Browser, screen, page URL.' });
const clientHtml = clientLines.map(c => `<div class="flex justify-between gap-4 py-1 border-b border-dark-600 last:border-0">
<div><div class="text-gray-200">${_escapeHtml(c.label)}</div><div class="text-gray-500 text-[10px]">${_escapeHtml(c.desc)}</div></div>
<div class="text-gray-500 text-right whitespace-nowrap">added on export</div>
</div>`).join('');
sections.push(`<div class="mb-3"><div class="text-gray-300 font-semibold mb-1">Browser data</div>${clientHtml}</div>`);
const notesHtml = (m.notes || []).length
? `<div class="mb-3 bg-dark-600 border border-amber-500/30 rounded-lg p-2">
<div class="text-amber-400 text-[10px] font-semibold uppercase mb-1">Notes</div>
${(m.notes).map(n => `<div class="text-gray-300 text-[11px]">• ${_escapeHtml(n)}</div>`).join('')}
</div>`
: '';
const privacyHtml = redact
? `<div class="text-emerald-400 text-[11px]">🔒 Redaction enabled — paths, song names, IPs, and secrets will be replaced with stable hash tokens.</div>`
: `<div class="text-amber-400 text-[11px]">⚠ Redaction OFF — bundle will contain raw paths, song names, and IPs. Only share with people you trust.</div>`;
return `
<div class="text-[11px]">
<div class="flex justify-between items-baseline mb-2">
<div class="text-gray-200 font-semibold">${_escapeHtml(data.filename)}</div>
<div class="text-gray-400">${_escapeHtml(_formatBytes(totalBytes))}<span class="text-gray-600"> server-side</span></div>
</div>
<div class="text-gray-500 text-[10px] mb-3">runtime: ${_escapeHtml(m.runtime || 'unknown')} · exported_at: ${_escapeHtml(m.exported_at || '')}</div>
${notesHtml}
${sections.join('')}
${privacyHtml}
</div>`;
}
export async function previewDiagnostics() {
const status = document.getElementById('diag-status');
const preview = document.getElementById('diag-preview');
if (!status || !preview) return;
status.textContent = 'Building preview…';
preview.classList.add('hidden');
const include = _diagIncludeFromUI();
const params = new URLSearchParams({
redact: String(_diagRedactFromUI()),
system: String(include.system),
hardware: String(include.hardware),
logs: String(include.logs),
console: String(include.console),
plugins: String(include.plugins),
});
try {
const resp = await fetch(`/api/diagnostics/preview?${params.toString()}`);
if (!resp.ok) {
status.textContent = `Preview failed (HTTP ${resp.status})`;
return;
}
const data = await resp.json();
preview.innerHTML = _renderDiagPreview(data);
preview.classList.remove('hidden');
status.textContent = 'Preview ready.';
} catch (e) {
status.textContent = `Preview failed: ${e.message}`;
}
}
export async function exportDiagnostics() {
const status = document.getElementById('diag-status');
if (!status) return;
status.textContent = 'Building bundle…';
const include = _diagIncludeFromUI();
const redact = _diagRedactFromUI();
const diag = window.feedBack && window.feedBack.diagnostics;
const body = {
redact,
include,
client_console: include.console && diag ? diag.snapshotConsole() : null,
client_hardware: include.hardware && diag ? await diag.snapshotHardware() : null,
client_ua: diag ? diag.snapshotUa() : null,
local_storage: diag ? diag.snapshotLocalStorage() : null,
client_contributions: diag ? diag.snapshotContributions() : null,
};
let resp;
try {
resp = await fetch('/api/diagnostics/export', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(body),
});
} catch (e) {
status.textContent = `Export failed: ${e.message}`;
return;
}
if (!resp.ok) {
status.textContent = `Export failed (HTTP ${resp.status})`;
return;
}
let filename = 'feedBack-diag.zip';
const disp = resp.headers.get('Content-Disposition');
if (disp) {
const m = /filename="([^"]+)"/.exec(disp);
if (m) filename = m[1];
}
try {
const blob = await resp.blob();
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = filename;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
status.textContent = `Exported ${filename}`;
} catch (e) {
status.textContent = `Export failed during download: ${e.message}`;
}
}
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@@ -1,203 +0,0 @@
// DOM + HTML-escaping primitives, and the modal dialogs built on them.
//
// Carved verbatim out of static/app.js (R3a). A LEAF module: imports nothing.
//
// This one is a GATHER, not a slice — the six lived in six different places in
// app.js. They belong together because they are the bottom of the UI stack:
// `esc` / `_escAttr` alone have ~48 call sites, and every later carve that
// renders HTML will need them. Giving them a home NOW means those carves can
// import them instead of inventing a host seam to reach back into app.js —
// which is exactly the trap the plugin-loader carve had to work around before
// the viz layer became a module.
export function _isElementVisible(el) {
// Walk ancestors looking for display:none. Handles collapsed
// `.album-body` / `.artist-body` subtrees (hidden via CSS class
// rules). Using a DOM walk rather than `offsetParent` avoids the
// false-negative for `position:fixed` elements whose offsetParent
// is null even when they are perfectly visible.
if (!el) return false;
let node = el;
while (node && node !== document.body) {
if (getComputedStyle(node).display === 'none') return false;
node = node.parentElement;
}
return true;
}
// Focus trap: keep Tab / Shift+Tab cycling inside `modal` so focus
// can't escape to the content underneath while the overlay is open.
// Call this once after the modal is in the DOM and initial focus is set.
export function _trapFocusInModal(modal) {
const FOCUSABLE = 'a[href], button:not([disabled]), input:not([disabled]), select:not([disabled]), textarea:not([disabled]), [tabindex]:not([tabindex="-1"])';
modal.addEventListener('keydown', (e) => {
if (e.key !== 'Tab') return;
const els = Array.from(modal.querySelectorAll(FOCUSABLE)).filter(el => {
if (!_isElementVisible(el)) return false;
if (getComputedStyle(el).visibility === 'hidden') return false;
if (el.disabled) return false;
return true;
});
if (!els.length) return;
const first = els[0];
const last = els[els.length - 1];
if (e.shiftKey) {
if (document.activeElement === first) { e.preventDefault(); last.focus(); }
} else {
if (document.activeElement === last) { e.preventDefault(); first.focus(); }
}
});
}
// Styled async confirm dialog. Returns a Promise<boolean>. For destructive
// prompts pass `danger: true` — confirm button turns red and Cancel gets
// initial focus so an accidental Enter won't fire the action. `body` is
// inserted as HTML so callers can use formatting; callers are responsible
// for escaping any user-supplied content in it (use _escAttr).
export function _confirmDialog({ title, body = '', confirmText = 'Confirm', cancelText = 'Cancel', danger = false } = {}) {
return new Promise((resolve) => {
const previouslyFocused = document.activeElement;
const modal = document.createElement('div');
modal.className = 'feedBack-modal fixed inset-0 z-[250] flex items-center justify-center bg-black/70 backdrop-blur-sm';
modal.setAttribute('role', 'alertdialog');
modal.setAttribute('aria-modal', 'true');
modal.setAttribute('aria-label', title || 'Confirm');
const confirmClass = danger
? 'flex-1 bg-red-600 hover:bg-red-500 px-4 py-2 rounded-xl text-sm font-semibold text-white transition focus:outline-none focus:ring-2 focus:ring-red-400/60'
: 'flex-1 bg-accent hover:bg-accent-light px-4 py-2 rounded-xl text-sm font-semibold text-white transition focus:outline-none focus:ring-2 focus:ring-accent/60';
modal.innerHTML = `
<div class="bg-dark-700 border border-gray-700 rounded-2xl p-6 w-full max-w-sm mx-4 shadow-2xl">
<h3 class="text-lg font-bold text-white mb-3">${_escAttr(title || '')}</h3>
<div class="mb-5">${body}</div>
<div class="flex gap-3">
<button type="button" data-confirm class="${confirmClass}">${_escAttr(confirmText)}</button>
<button type="button" data-cancel class="px-4 py-2 bg-dark-600 hover:bg-dark-500 rounded-xl text-sm text-gray-300 transition focus:outline-none focus:ring-2 focus:ring-gray-500/40">${_escAttr(cancelText)}</button>
</div>
</div>`;
document.body.appendChild(modal);
function finish(result) {
modal.remove();
document.removeEventListener('keydown', onKey, true);
if (previouslyFocused && document.body.contains(previouslyFocused)) {
try { previouslyFocused.focus({ preventScroll: true }); } catch {}
}
resolve(result);
}
function onKey(e) {
if (e.key === 'Escape') { e.preventDefault(); e.stopImmediatePropagation(); finish(false); }
else if (e.key === 'Enter' && document.activeElement === modal.querySelector('[data-confirm]')) {
e.preventDefault(); finish(true);
}
}
modal.addEventListener('click', (e) => {
if (e.target === modal) finish(false);
else if (e.target.closest('[data-confirm]')) finish(true);
else if (e.target.closest('[data-cancel]')) finish(false);
});
document.addEventListener('keydown', onKey, true);
_trapFocusInModal(modal);
// Focus Cancel by default for destructive prompts so an accidental
// Enter / Space won't fire the dangerous action; otherwise focus
// the confirm button so Enter accepts.
const focusTarget = modal.querySelector(danger ? '[data-cancel]' : '[data-confirm]');
if (focusTarget) focusTarget.focus({ preventScroll: true });
});
}
export function esc(s) {
const d = document.createElement('div');
d.textContent = s;
return d.innerHTML;
}
// `esc()` escapes the HTML-content metacharacters (<, >, &) but not
// quotes — fine for text-node interpolation but unsafe when the
// result is used as an attribute value, where a literal `"` ends the
// attribute early. Use `_escAttr` for any `attr="${...}"` site.
export function _escAttr(s) {
return esc(s == null ? '' : String(s))
.replace(/"/g, '&quot;')
.replace(/'/g, '&#39;');
}
// In-app text prompt — replaces window.prompt(), which Electron does NOT
// implement (it logs "prompt() is and will not be supported" and returns null),
// so any prompt()-based flow is a silent no-op on desktop. Returns the entered
// string, or null if cancelled (Esc / Cancel / backdrop). Styled to match the
// edit modal; role=dialog so the global keyboard shortcuts ignore typing here.
// Injection-safe: all caller text is set via textContent / value, never innerHTML.
export function uiPrompt({ title = '', label = '', value = '', okLabel = 'Save', placeholder = '' } = {}) {
return new Promise((resolve) => {
const modal = document.createElement('div');
modal.className = 'feedBack-modal fixed inset-0 z-[200] flex items-center justify-center bg-black/70 backdrop-blur-sm';
modal.setAttribute('role', 'dialog');
modal.setAttribute('aria-modal', 'true');
if (title) modal.setAttribute('aria-label', title);
modal.innerHTML = `
<form class="bg-dark-700 border border-gray-700 rounded-2xl p-6 w-full max-w-sm mx-4 shadow-2xl">
<h3 class="text-lg font-bold text-white mb-4" data-ui-prompt-title hidden></h3>
<label class="text-xs text-gray-400 mb-1 block" data-ui-prompt-label hidden></label>
<input type="text" data-ui-prompt-input autocomplete="off"
class="w-full bg-dark-600 border border-gray-700 rounded-lg px-3 py-2 text-sm text-gray-200 outline-none focus:border-accent/50">
<div class="flex gap-3 mt-5">
<button type="submit"
class="flex-1 bg-accent hover:bg-accent-light px-4 py-2 rounded-xl text-sm font-semibold text-white transition" data-ui-prompt-ok></button>
<button type="button" data-ui-prompt-cancel
class="px-4 py-2 bg-dark-600 hover:bg-dark-500 rounded-xl text-sm text-gray-300 transition">Cancel</button>
</div>
</form>`;
const titleEl = modal.querySelector('[data-ui-prompt-title]');
const labelEl = modal.querySelector('[data-ui-prompt-label]');
const input = modal.querySelector('[data-ui-prompt-input]');
const okEl = modal.querySelector('[data-ui-prompt-ok]');
if (title) { titleEl.textContent = title; titleEl.hidden = false; }
if (label) { labelEl.textContent = label; labelEl.hidden = false; }
okEl.textContent = okLabel;
input.value = value;
if (placeholder) input.placeholder = placeholder;
// Restore focus to wherever it was when we're done (matches the edit
// modal's behavior so keyboard users aren't dumped at the page top).
const previousActiveElement = document.activeElement;
const focusables = () => Array.from(
modal.querySelectorAll('input, button, [tabindex]:not([tabindex="-1"])'),
).filter((el) => !el.disabled && el.offsetParent !== null);
let settled = false;
const close = (result) => {
if (settled) return;
settled = true;
document.removeEventListener('keydown', onKey, true);
modal.remove();
if (previousActiveElement && typeof previousActiveElement.focus === 'function') {
previousActiveElement.focus();
}
resolve(result);
};
const onKey = (e) => {
if (e.key === 'Escape') { e.preventDefault(); e.stopPropagation(); close(null); return; }
// Trap Tab inside the modal so focus can't wander to the page behind it.
if (e.key === 'Tab') {
const items = focusables();
if (!items.length) return;
const first = items[0];
const last = items[items.length - 1];
const active = document.activeElement;
if (e.shiftKey && (active === first || !modal.contains(active))) {
e.preventDefault(); last.focus();
} else if (!e.shiftKey && (active === last || !modal.contains(active))) {
e.preventDefault(); first.focus();
}
}
};
modal.querySelector('form').addEventListener('submit', (e) => { e.preventDefault(); close(input.value); });
modal.querySelector('[data-ui-prompt-cancel]').addEventListener('click', () => close(null));
// Backdrop (overlay itself, not the panel) cancels.
modal.addEventListener('mousedown', (e) => { if (e.target === modal) close(null); });
document.addEventListener('keydown', onKey, true);
document.body.appendChild(modal);
input.focus();
input.select();
});
}
-601
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@@ -1,601 +0,0 @@
// Highway string colours — user theming for the 2D + bundled 3D highways.
//
// Carved verbatim out of static/app.js (R3a). A LEAF module: imports nothing.
//
// Slot→hex colours (per named string slot, so a 6-string map survives a 4-string
// bass and a 7-string's Low B), named themes in localStorage, a copy/paste share
// code, and the Settings-screen picker UI. The highways colour by raw string
// INDEX, so a translation table maps named slots → per-index colours for the
// current arrangement, recomputed whenever a song loads.
//
// Exports exactly two entry points; the other 43 symbols (the HWC_* tables, the
// theme store, the picker handlers, the window.feedBack facade) are used nowhere
// else in core and stay private. The Settings buttons are wired by
// addEventListener inside hwcInitSettingsUI — there are no inline on*= handlers
// here, so nothing needs re-exposing on window.
//
// It does import uiPrompt from ./dom.js (the "name this theme" prompt) — which is
// precisely why dom.js was carved out first: without it this module would have
// needed a host seam back into app.js.
import { uiPrompt } from './dom.js';
// Colors are assigned per NAMED string (Low E, A, D, G, B, High E, plus the
// extended low strings of 7/8-string guitars), so a string keeps its color
// when the string count changes (e.g. Low E stays the same from a 6-string
// guitar to a 4-string bass, and on a 7-string the extra Low B takes the
// 7-string slot rather than bumping every color over). The highways color by
// raw string INDEX, so a small translation table maps named slots → per-index
// colors for the current arrangement; this is recomputed whenever a song loads
// (its string count / bass-vs-guitar may differ). Applies to BOTH the 2D and
// bundled 3D highway; stored client-side; shared via a copy/paste code.
const HWC_KEY_ACTIVE = 'highwayStringColors'; // JSON slot→hex map (active)
const HWC_KEY_THEMES = 'highwayColorThemes'; // { "<name>": {slot:hex} }
const HWC_KEY_NAME = 'highwayColorActiveName'; // selected saved theme name, or ''
const HWC_HEX_RE = /^#[0-9a-fA-F]{6}$/;
// Named color slots, in display order (high → low, then extended low strings).
const HWC_SLOTS = [
{ key: 'highE', label: 'High E', sub: '1st' },
{ key: 'B', label: 'B', sub: '2nd' },
{ key: 'G', label: 'G', sub: '3rd' },
{ key: 'D', label: 'D', sub: '4th' },
{ key: 'A', label: 'A', sub: '5th' },
{ key: 'lowE', label: 'Low E', sub: '6th / lowest' },
{ key: 'low7', label: 'Low B', sub: '7-string' },
{ key: 'low8', label: 'Low F#', sub: '8-string' },
];
const HWC_SLOT_KEYS = HWC_SLOTS.map((s) => s.key);
// Hardcoded fallback (matches the highway defaults) for before the 2D highway
// is queryable.
const HWC_DEFAULT_FALLBACK = { lowE: '#cc0000', A: '#cca800', D: '#0066cc', G: '#cc6600', B: '#00cc66', highE: '#9900cc', low7: '#cc00aa', low8: '#00cccc' };
// One-click string-color presets. Each is a full named-slot → hex map (every
// slot, so 7/8-string charts get a sensible color too) keyed by the same slot
// names as HWC_SLOTS, so "Low E" always lands on the lowE slot regardless of
// string count. Hues are chosen for the dark scene (~#080810): each color is
// bright enough to read on black and distinct from its neighbours.
// - warmcool: an ordered low→high spectrum (warm reds at the bass end →
// cool blues/violet at the treble end) so pitch reads as color temperature.
// - vivid: punchier, higher-saturation take on the classic mapping for a
// stage-bright look.
// - colorblind: the OkabeIto accessible qualitative palette (vermillion,
// orange, yellow, bluish-green, sky-blue, blue, reddish-purple), the most
// distinguishable option for deuteranopia/protanopia.
// - colorblind_deuteranope: a deuteranope-tuned variant of the OkabeIto set
// above, contributed by a deuteranopic player who still found that set hard
// to separate. Retunes the six main strings (red / yellow-green / blue /
// orange / teal / deep-purple) and keeps its 7/8-string colors unchanged.
// - neon: electric, max-saturation hues whose LIGHTNESS deliberately zig-zags
// between neighbours (bright→bright→brightest→dark blue→bright green→dark
// violet) so adjacent strings separate harder than vivid — a stage/stream
// "pop" set, not a vivid duplicate.
// - accessible: a CVD-safe set ORDERED by ascending lightness low→high (deep
// blue → vermilion → azure → orange → yellow → cream). Unlike the unordered
// OkabeIto 'colorblind' set, the value ramp teaches pitch low→high AND
// survives grayscale/colorblindness; no red/green pair carries meaning.
// - ember: a warm, lower-intensity family for long sessions, luminance-stepped
// from rust/ember at the bass through warm gold to cream at the treble. The
// bass embers stay light enough to clear the near-black scene.
// - tapedeck: a vintage-print, slightly desaturated ochre-tinted family
// (rust-red → mustard → avocado → teal → faded denim → dusty plum). Muted
// hues collapse, so neighbour LIGHTNESS deliberately zig-zags to keep the
// dusty mid-strings (avocado/teal/denim) distinct on the dark board.
// - crtgreen / crtamber: monochrome CRT-phosphor families (green / amber)
// stepped by STRICT ASCENDING LIGHTNESS low→high. Mono sets collapse on hue,
// so lightness alone carries the ordering. Verified to stay legible even on
// the matching phosphor scene board (green-on-green / amber-on-amber).
// - pitchramp: a smooth low→high hue sweep (violet → blue → teal → green →
// yellow → warm-white) with rising lightness — memorable + teaches order.
// - sunrise: a soft dawn gradient (plum → rose → coral → amber → gold → cream),
// warm and lower-intensity, lightness-stepped low→high.
const HWC_PRESETS = [
{
id: 'warmcool', label: 'Warm → Cool',
colors: { lowE: '#ff3b30', A: '#ff7a18', D: '#ffc400', G: '#36c46a', B: '#2196f3', highE: '#9b5cff', low7: '#ff2d78', low8: '#00c2c7' },
},
{
id: 'vivid', label: 'Vivid',
colors: { lowE: '#ff2222', A: '#ffd000', D: '#1e8bff', G: '#ff7a00', B: '#16d65a', highE: '#b24bff', low7: '#ff3cc0', low8: '#15d8d8' },
},
{
id: 'colorblind', label: 'Colorblind-friendly',
colors: { lowE: '#d55e00', A: '#e69f00', D: '#f0e442', G: '#009e73', B: '#56b4e9', highE: '#cc79a7', low7: '#0072b2', low8: '#999999' },
},
{
id: 'colorblind_deuteranope', label: 'Colorblind (deuteranope)',
colors: { lowE: '#aa1414', A: '#88de00', D: '#1889e3', G: '#c6601c', B: '#00f5b2', highE: '#4d2173', low7: '#0072b2', low8: '#999999' },
},
{
id: 'neon', label: 'Neon',
colors: { lowE: '#ff1f4e', A: '#ff9d00', D: '#e9ff00', G: '#1844ff', B: '#00ff84', highE: '#d000ff', low7: '#ff00aa', low8: '#00f0ff' },
},
{
id: 'accessible', label: 'Accessible (ordered)',
colors: { lowE: '#2453c0', A: '#c44a00', D: '#3f93cf', G: '#ec9a1e', B: '#f2d43c', highE: '#f5eecb', low7: '#173f96', low8: '#0f2c6b' },
},
{
id: 'ember', label: 'Warm Ember',
colors: { lowE: '#c0392b', A: '#e0552a', D: '#ef7d2e', G: '#f6a13a', B: '#f4c95d', highE: '#f7e3a8', low7: '#9e2f23', low8: '#7d2418' },
},
{
id: 'tapedeck', label: 'Tape Deck',
colors: { lowE: '#b04632', A: '#d8ad42', D: '#5f7a34', G: '#54b3a6', B: '#5e83ad', highE: '#b98abb', low7: '#8f3526', low8: '#6f2a1e' },
},
{
id: 'crtgreen', label: 'CRT Green',
colors: { lowE: '#0a5a23', A: '#108a30', D: '#1fb53f', G: '#3ad94f', B: '#74f06a', highE: '#c7ffb0', low7: '#08491c', low8: '#063514' },
},
{
id: 'crtamber', label: 'CRT Amber',
colors: { lowE: '#7a3a02', A: '#a85f06', D: '#cf8410', G: '#e8a82a', B: '#f4cf5e', highE: '#ffeeb8', low7: '#5f2d01', low8: '#471f00' },
},
{
id: 'pitchramp', label: 'Pitch Ramp',
colors: { lowE: '#7a2390', A: '#2f5ad8', D: '#1f9bc4', G: '#2fb84a', B: '#cfd22a', highE: '#f3e0c0', low7: '#5e1a78', low8: '#440f5e' },
},
{
id: 'sunrise', label: 'Sunrise',
colors: { lowE: '#8a3a6e', A: '#bf4a5e', D: '#e0664f', G: '#f29a55', B: '#f7c873', highE: '#fce8b8', low7: '#6e2c5c', low8: '#54214a' },
},
];
// Translation table: chart string index → named slot, for a given string count
// and bass/guitar family. Mirrors the 3D highway's _baseOpenStringMidis: bass
// shares the low strings (E A D G), 7/8-string guitars prepend lower strings,
// and sub-6 guitars truncate from the high end. Index 0 is always the lowest.
function _hwcSlotKeysForChart(sc, isBass) {
sc = Math.max(1, Math.min(8, (sc | 0) || 6));
if (isBass) {
if (sc <= 4) return ['lowE', 'A', 'D', 'G'].slice(0, sc);
if (sc === 5) return ['low7', 'lowE', 'A', 'D', 'G'];
return ['low8', 'low7', 'lowE', 'A', 'D', 'G'].slice(0, sc);
}
if (sc <= 6) return ['lowE', 'A', 'D', 'G', 'B', 'highE'].slice(0, sc);
if (sc === 7) return ['low7', 'lowE', 'A', 'D', 'G', 'B', 'highE'];
return ['low8', 'low7', 'lowE', 'A', 'D', 'G', 'B', 'highE'];
}
// Current arrangement shape (string count + bass-vs-guitar) from the 2D highway.
function _hwcChartShape() {
let sc = 6, arr = '';
try { sc = window.highway?.getStringCount?.() || 6; } catch (_) {}
try { arr = window.highway?.getSongInfo?.()?.arrangement || window.feedBack?.currentSong?.arrangement || ''; } catch (_) {}
return { sc: Math.max(1, Math.min(8, sc)), isBass: /bass/i.test(String(arr)) };
}
// Normalize an arbitrary value to a slot→hex map of validated lowercase colors
// (absent / invalid slots are omitted).
function _hwcNormalize(slotMap) {
const out = {};
if (slotMap && typeof slotMap === 'object' && !Array.isArray(slotMap)) {
for (const k of HWC_SLOT_KEYS) {
const v = (typeof slotMap[k] === 'string') ? slotMap[k].trim().toLowerCase() : '';
if (HWC_HEX_RE.test(v)) out[k] = v;
}
}
return out;
}
// Canonical default color per named slot (the classic highway mapping).
// Fixed, not read back from the highway (which may already be name-remapped for
// a 7/8-string chart), so the pickers always preview the true per-name default.
function getHighwayDefaultSlotColors() {
return { ...HWC_DEFAULT_FALLBACK };
}
// Active (user-customized) slot→hex map from storage ({} when none set).
function getHighwayStringColors() {
try {
const raw = localStorage.getItem(HWC_KEY_ACTIVE);
if (raw) return _hwcNormalize(JSON.parse(raw));
} catch (_) { /* corrupt / blocked */ }
return {};
}
// Defaults overlaid with the user's custom slots (custom wins). Always a full
// 8-slot map, so name-mapping has a color for every string of any arrangement.
function _hwcMergedSlotColors() {
return { ...getHighwayDefaultSlotColors(), ...getHighwayStringColors() };
}
// True when the slot→index mapping is the identity (index 0 = lowest = Low E):
// guitar ≤6 strings and 4-string bass. For these the name mapping equals the
// stock index order, so we leave the highways on their hand-tuned defaults
// (byte-identical) unless the user set custom colors. Extended-range charts —
// 7/8-string guitar and 5/6-string bass — prepend lower strings (Low B/F#),
// shifting Low E up an index, so their defaults must be name-remapped too.
function _hwcMappingIsIdentity(sc, isBass) {
return isBass ? sc <= 4 : sc <= 6;
}
// Translate a full slot map into the index-keyed array the highways consume.
function _hwcEffectiveIndexColors(slotMap, sc, isBass) {
const keys = _hwcSlotKeysForChart(sc, isBass);
return keys.map((k) => slotMap[k] || null);
}
// Persist the user's custom slot map (or clear it), then apply. Only slots that
// actually DIFFER from the default are stored — so reverting every picker to its
// stock color persists as empty and the identity/stock path is restored (rather
// than pinning the highways on an all-default "custom" theme).
function applyHighwayStringColors(slotMap, opts) {
const persist = !opts || opts.persist !== false;
const colors = _hwcNormalize(slotMap);
const defaults = getHighwayDefaultSlotColors();
const overrides = {};
for (const k of Object.keys(colors)) {
if (colors[k] !== defaults[k]) overrides[k] = colors[k];
}
if (persist) {
try {
if (Object.keys(overrides).length) localStorage.setItem(HWC_KEY_ACTIVE, JSON.stringify(overrides));
else localStorage.removeItem(HWC_KEY_ACTIVE);
} catch (_) {}
}
reapplyHighwayStringColors();
}
// Apply a named one-click string-color preset (see HWC_PRESETS) to all strings.
// Persists + applies to both highways (via applyHighwayStringColors), then —
// when the Settings UI is mounted — refreshes the per-string pickers so their
// swatches show the preset's colors. Unknown id is a no-op.
function applyHighwayStringPreset(id) {
const preset = HWC_PRESETS.find((p) => p.id === id);
if (!preset) return false;
applyHighwayStringColors(preset.colors);
try { if (typeof hwcRenderPickers === 'function') hwcRenderPickers(); } catch (_) {}
return true;
}
// Apply colors by NAMED string to both highways for the current arrangement.
// Colors follow the string name regardless of count: Low E stays Low E's color
// on a 6-, 7-, or 8-string. Defaults map identically to the stock order for
// 6-string/bass (so those stay byte-identical); 7/8-string remaps the defaults
// too so Low E keeps its color. The String Colors UI replaces the 3D highway's
// old palette picker, so core always drives the 3D string colors here.
function reapplyHighwayStringColors() {
const { sc, isBass } = _hwcChartShape();
const custom = getHighwayStringColors();
const hasCustom = Object.keys(custom).length > 0;
if (!hasCustom && _hwcMappingIsIdentity(sc, isBass)) {
// Pure stock defaults in natural order — leave the hand-tuned highway
// defaults intact, and make sure the 3D is on its plain default palette
// (clears any stale 'custom' / leftover palette selection).
try { window.highway?.setStringColors?.(null); } catch (_) {}
try {
if (localStorage.getItem('h3d_bg_palette') !== 'default') window.h3dBgSetPalette?.('default');
} catch (_) {}
try { window.feedBack?.emit?.('highway:stringColors', {}); } catch (_) {}
return;
}
const eff = _hwcEffectiveIndexColors(_hwcMergedSlotColors(), sc, isBass);
try { window.highway?.setStringColors?.(eff); } catch (_) {}
try { window.h3dBgSetStringColors?.(eff); } catch (_) {}
try { window.feedBack?.emit?.('highway:stringColors', custom); } catch (_) {}
}
function _hwcReadThemes() {
// Null-prototype store: theme names come from user input / share codes, so
// names like `constructor`/`toString`/`__proto__` must not collide with
// inherited Object properties or mutate the prototype.
try {
const parsed = JSON.parse(localStorage.getItem(HWC_KEY_THEMES) || '{}');
if (!parsed || typeof parsed !== 'object' || Array.isArray(parsed)) return Object.create(null);
const out = Object.create(null);
for (const [name, colors] of Object.entries(parsed)) out[name] = _hwcNormalize(colors);
return out;
} catch (_) { return Object.create(null); }
}
function _hwcWriteThemes(o) { try { localStorage.setItem(HWC_KEY_THEMES, JSON.stringify(o)); } catch (_) {} }
function listHighwayColorThemes() { return Object.keys(_hwcReadThemes()); }
function getActiveHighwayColorThemeName() { try { return localStorage.getItem(HWC_KEY_NAME) || ''; } catch (_) { return ''; } }
function saveHighwayColorTheme(name, slotMap) {
name = String(name || '').trim();
if (!name) return false;
const o = _hwcReadThemes();
o[name] = _hwcNormalize(slotMap);
_hwcWriteThemes(o);
try { localStorage.setItem(HWC_KEY_NAME, name); } catch (_) {}
return true;
}
function deleteHighwayColorTheme(name) {
const o = _hwcReadThemes();
if (Object.prototype.hasOwnProperty.call(o, name)) { delete o[name]; _hwcWriteThemes(o); }
if (getActiveHighwayColorThemeName() === name) { try { localStorage.removeItem(HWC_KEY_NAME); } catch (_) {} }
}
// Select a saved theme by name, or pass '' to revert to defaults.
function selectHighwayColorTheme(name) {
if (!name) {
try { localStorage.removeItem(HWC_KEY_NAME); } catch (_) {}
applyHighwayStringColors(null);
return;
}
const o = _hwcReadThemes();
if (!Object.prototype.hasOwnProperty.call(o, name)) return;
try { localStorage.setItem(HWC_KEY_NAME, name); } catch (_) {}
applyHighwayStringColors(o[name]);
}
// Compact, paste-friendly share code: "SLOPHWY2." + base64url(JSON{n,c}) where
// c is the named slot→hex map.
function encodeHighwayColorShare(name, slotMap) {
const payload = { n: String(name || '').slice(0, 60), c: _hwcNormalize(slotMap) };
const json = JSON.stringify(payload);
let b64;
try { b64 = btoa(unescape(encodeURIComponent(json))); } catch (_) { b64 = btoa(json); }
return 'SLOPHWY2.' + b64.replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');
}
function decodeHighwayColorShare(code) {
if (typeof code !== 'string') return null;
let s = code.trim();
// Require the exact versioned prefix. Anything else (a future/legacy
// SLOPHWY*, or unprefixed text) is rejected so the version boundary is real.
const PREFIX = 'SLOPHWY2.';
if (s.slice(0, PREFIX.length).toUpperCase() !== PREFIX) return null;
s = s.slice(PREFIX.length);
s = s.replace(/-/g, '+').replace(/_/g, '/');
while (s.length % 4) s += '=';
let json;
try { json = decodeURIComponent(escape(atob(s))); } catch (_) { try { json = atob(s); } catch (_) { return null; } }
let obj;
try { obj = JSON.parse(json); } catch (_) { return null; }
if (!obj || typeof obj.c !== 'object' || Array.isArray(obj.c)) return null;
return { name: String(obj.n || '').slice(0, 60), colors: _hwcNormalize(obj.c) };
}
// Import a share code: store it as a (uniquely named) saved theme and apply.
function importHighwayColorShare(code) {
const parsed = decodeHighwayColorShare(code);
if (!parsed) return null;
let name = parsed.name || 'Imported';
const existing = _hwcReadThemes();
if (Object.prototype.hasOwnProperty.call(existing, name)) {
let i = 2;
while (Object.prototype.hasOwnProperty.call(existing, name + ' ' + i)) i++;
name = name + ' ' + i;
}
saveHighwayColorTheme(name, parsed.colors);
applyHighwayStringColors(parsed.colors);
return { name, colors: parsed.colors };
}
// Startup: apply persisted colors to the 2D highway immediately and re-apply on
// every song load (string count / bass-vs-guitar can change the slot→index
// mapping) and whenever a viz renderer (re)initializes (the 3D loads async +
// rebuilds per song, so a one-shot apply could land before it exists).
let _hwcWired = false;
export function initHighwayColors() {
reapplyHighwayStringColors();
if (!_hwcWired && window.feedBack && typeof window.feedBack.on === 'function') {
_hwcWired = true;
window.feedBack.on('viz:renderer:ready', reapplyHighwayStringColors);
window.feedBack.on('song:loaded', reapplyHighwayStringColors);
window.feedBack.on('song:ready', reapplyHighwayStringColors);
}
_hwcInstallFacade();
}
// ── Public plugin API: window.feedBack.highwayColors ─────────────────────
// A stable, documented facade over the (otherwise private) string-color
// manager so plugins can read / react to / set the user's per-string colors
// without reaching into internals. This is a synchronous data-plane API, not a
// capability domain — consistent with the constitution keeping highway/viz
// surfaces off the capability graph until a dedicated render-facade slice
// lands. Colors are keyed by NAMED string slot (see `slots`); use
// `keysForChart`/`toEffective` to map names → per-string-index for a given
// arrangement. See docs/plugin-capability-inventory.md.
const _hwcChangeWrappers = new WeakMap();
function _hwcInstallFacade() {
if (!window.feedBack || window.feedBack.highwayColors) return;
const api = {
version: 1,
// Ordered named slots: [{ key, label, sub }]. `key` is the stable id.
slots: HWC_SLOTS.map((s) => ({ key: s.key, label: s.label, sub: s.sub })),
// User-set overrides only (named slot → hex); empty object = defaults.
get() { return getHighwayStringColors(); },
// Canonical default color per named slot.
getDefaults() { return getHighwayDefaultSlotColors(); },
// Defaults overlaid with overrides — the colors in effect, by name.
getResolved() { return _hwcMergedSlotColors(); },
// Which named slot each chart string index maps to, for an arrangement
// (index 0 = lowest string). e.g. (7,false) → ['low7','lowE','A',...].
keysForChart(stringCount, isBass) { return _hwcSlotKeysForChart(stringCount, !!isBass); },
// Per-string-INDEX hex array (resolved colors) for an arrangement.
// Omit args to use the currently-loaded chart's shape.
toEffective(stringCount, isBass) {
const shape = (typeof stringCount === 'number')
? { sc: stringCount, isBass: !!isBass }
: _hwcChartShape();
return _hwcEffectiveIndexColors(_hwcMergedSlotColors(), shape.sc, shape.isBass);
},
// The per-index colors actually applied to the live 2D highway now.
getCurrent() {
try { return (window.highway && window.highway.getStringColors) ? window.highway.getStringColors() : []; }
catch (_) { return []; }
},
// Set colors programmatically (persists + applies to both highways).
// Pass a named slot map, or null/{} to revert to defaults.
apply(slotMap) { return applyHighwayStringColors(slotMap); },
// One-click presets: [{ id, label, colors }] (full named-slot maps).
presets: HWC_PRESETS.map((p) => ({ id: p.id, label: p.label, colors: { ...p.colors } })),
// Apply a preset by id (persists + applies to both highways).
applyPreset(id) { return applyHighwayStringPreset(id); },
// Share-code interop (the "SLOPHWY2." copy/paste format).
encodeShare(name, slotMap) { return encodeHighwayColorShare(name, slotMap); },
decodeShare(code) { return decodeHighwayColorShare(code); },
// Subscribe to color changes; handler receives the resolved slot map.
// Returns an unsubscribe fn that removes exactly THIS subscription;
// offChange(fn) removes every subscription registered with that fn.
// (Each fn maps to a Set of wrappers so repeated mount/init paths that
// subscribe the same handler don't clobber each other or leak.)
onChange(fn) {
if (typeof fn !== 'function' || !window.feedBack) return () => {};
const wrapper = () => {
try { fn(api.getResolved()); } catch (e) { console.error('[highwayColors] onChange handler threw', e); }
};
let set = _hwcChangeWrappers.get(fn);
if (!set) { set = new Set(); _hwcChangeWrappers.set(fn, set); }
set.add(wrapper);
window.feedBack.on('highway:stringColors', wrapper);
return () => {
if (window.feedBack) window.feedBack.off('highway:stringColors', wrapper);
const s = _hwcChangeWrappers.get(fn);
if (s) { s.delete(wrapper); if (!s.size) _hwcChangeWrappers.delete(fn); }
};
},
offChange(fn) {
const set = _hwcChangeWrappers.get(fn);
if (set && window.feedBack) {
for (const wrapper of set) window.feedBack.off('highway:stringColors', wrapper);
_hwcChangeWrappers.delete(fn);
}
},
};
window.feedBack.highwayColors = api;
}
// ── Highway String Colors — Settings UI wiring ───────────────────────────
// Pickers are per NAMED string (see HWC_SLOTS). Assigning "Low E" a color
// keeps Low E that color regardless of string count — the translation table
// (_hwcSlotKeysForChart) handles the index remapping per arrangement.
function _hwcStatus(msg) {
const el = document.getElementById('hwc-status');
if (!el) return;
el.textContent = msg || '';
if (msg) {
clearTimeout(_hwcStatus._t);
_hwcStatus._t = setTimeout(() => { if (el.textContent === msg) el.textContent = ''; }, 2500);
}
}
// Render one color input per named slot, seeded from active colors (falling
// back to the highway defaults for that slot).
function hwcRenderPickers() {
const host = document.getElementById('hwc-pickers');
if (!host) return;
const defaults = getHighwayDefaultSlotColors();
const active = getHighwayStringColors();
host.innerHTML = '';
for (const slot of HWC_SLOTS) {
const val = active[slot.key] || defaults[slot.key] || '#888888';
const wrap = document.createElement('label');
wrap.className = 'flex items-center gap-2 text-xs text-gray-400';
const input = document.createElement('input');
input.type = 'color';
input.id = 'hwc-color-' + slot.key;
input.dataset.slot = slot.key;
input.value = val;
input.style.width = '2.5rem';
input.style.height = '1.75rem';
input.style.padding = '2px';
input.style.cursor = 'pointer';
input.className = 'rounded border border-gray-800 bg-dark-700';
input.addEventListener('input', () => hwcOnColorInput());
wrap.appendChild(input);
const span = document.createElement('span');
span.textContent = slot.label;
wrap.appendChild(span);
const sub = document.createElement('span');
sub.className = 'text-gray-600';
sub.textContent = slot.sub;
wrap.appendChild(sub);
host.appendChild(wrap);
}
}
function hwcReadPickers() {
const out = {};
for (const slot of HWC_SLOTS) {
const el = document.getElementById('hwc-color-' + slot.key);
if (el) out[slot.key] = el.value;
}
return out;
}
// Live apply on any picker change. Leaves the saved-theme select alone so a
// tweaked-but-unsaved state is allowed; "Save as…" captures it.
function hwcOnColorInput() {
applyHighwayStringColors(hwcReadPickers());
}
function hwcPopulateThemeSelect() {
const sel = document.getElementById('hwc-theme-select');
if (!sel) return;
const names = listHighwayColorThemes().sort((a, b) => a.localeCompare(b));
const current = getActiveHighwayColorThemeName();
sel.innerHTML = '';
const def = document.createElement('option');
def.value = '';
def.textContent = 'Default colors';
sel.appendChild(def);
for (const n of names) {
const opt = document.createElement('option');
opt.value = n;
opt.textContent = n;
sel.appendChild(opt);
}
sel.value = (current && names.includes(current)) ? current : '';
}
function hwcOnSelectTheme(name) {
selectHighwayColorTheme(name);
hwcRenderPickers();
}
async function hwcSaveTheme() {
const name = await uiPrompt({ title: 'Save Highway Colors', label: 'Theme name', value: getActiveHighwayColorThemeName() || 'My Colors', okLabel: 'Save' });
if (!name) return;
saveHighwayColorTheme(name, hwcReadPickers());
hwcPopulateThemeSelect();
_hwcStatus('Saved “' + name + '”');
}
function hwcDeleteTheme() {
const name = getActiveHighwayColorThemeName();
if (!name) { _hwcStatus('No saved theme selected'); return; }
deleteHighwayColorTheme(name);
applyHighwayStringColors(null);
hwcPopulateThemeSelect();
hwcRenderPickers();
_hwcStatus('Deleted “' + name + '”');
}
function hwcReset() {
try { localStorage.removeItem(HWC_KEY_NAME); } catch (_) {}
applyHighwayStringColors(null);
hwcPopulateThemeSelect();
hwcRenderPickers();
_hwcStatus('Reset to defaults');
}
async function hwcCopyShare() {
const name = getActiveHighwayColorThemeName() || 'Highway Colors';
const code = encodeHighwayColorShare(name, hwcReadPickers());
let copied = false;
try { await navigator.clipboard.writeText(code); copied = true; } catch (_) {}
if (!copied) {
// Fallback: drop the code into the import field so it can be copied manually.
const inp = document.getElementById('hwc-import-code');
if (inp) { inp.value = code; inp.select(); }
}
_hwcStatus(copied ? 'Share code copied' : 'Copy failed — code shown below');
}
function hwcImport() {
const inp = document.getElementById('hwc-import-code');
const code = inp ? inp.value : '';
const res = importHighwayColorShare(code);
if (!res) { _hwcStatus('Invalid share code'); return; }
if (inp) inp.value = '';
hwcPopulateThemeSelect();
hwcRenderPickers();
_hwcStatus('Imported “' + res.name + '”');
}
export function hwcInitSettingsUI() {
hwcPopulateThemeSelect();
hwcRenderPickers();
}
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// The host seam — how a carved-out module calls back into app.js.
//
// WHY THIS EXISTS. What is left in app.js is not a tree, it is a cycle: seeding a
// dependency closure from count-in, from loops, from section-practice, or from the
// JUCE seek shim all return the SAME 178-function set, and setLoop() and
// practiceSection() call each other directly. So a module carved out of that
// component will always need to call back into app.js — and it cannot `import`
// app.js to do it, because app.js imports the module, and that closes a cycle the
// import-x/no-cycle gate (rightly) rejects.
//
// So app.js hands its functions DOWN, once, at boot: `configureHost({ playSong, … })`.
//
// ─── THE FAILURE MODE THIS IS BUILT TO PREVENT ───────────────────────────────
//
// The obvious way to write this is a plain object with no-op defaults. That is a
// TRAP, and we walked into it once already: the plugin loader's host seam defaulted
// `populateVizPicker` to `() => {}`, which means that if the wiring call in app.js
// is ever dropped, renamed, or drifts, the loader keeps running, the viz picker
// silently stops refreshing, and NOTHING — no test, no boot check, no bot — says a
// word. A feature just quietly stops existing.
//
// Two layers stop that here, and the second is the one that actually closes it:
//
// 1. RUNTIME — reading an unwired hook THROWS. There are no defaults and no
// stubs. `host.playSong` either is the real function or it is a loud error.
// An unwired hook cannot degrade into a no-op, because there is nothing for
// it to degrade INTO.
//
// 2. STATIC — tests/js/host_contract.test.js asserts that the set of hooks the
// modules USE is exactly the set app.js WIRES. This is the important one:
// layer 1 only fires if the broken path actually executes, and the whole
// danger of this seam is paths that don't run in a smoke test. The static
// check catches a drifted or misspelled hook in CI, on a path nobody ran.
//
// Consequence for anyone adding a hook: add it to the configureHost({…}) call in
// app.js *and* use it as `host.<name>`. The contract test fails on either alone —
// deliberately. A hook wired but never used is dead weight; a hook used but never
// wired is a bug that would otherwise hide.
const _hooks = Object.create(null);
let _configured = false;
/**
* Called ONCE by app.js at boot, before any carved module runs. Every value must
* be a function — a hook that is accidentally `undefined` (a typo, a renamed
* export, a dropped line) fails HERE, at startup, rather than silently much later.
*/
export function configureHost(hooks) {
if (_configured) {
throw new Error('[host] configureHost() called twice — it must be wired exactly once, at boot.');
}
const bad = Object.entries(hooks || {})
.filter(([, v]) => typeof v !== 'function')
.map(([k]) => k);
if (bad.length) {
throw new Error(
`[host] these hooks are not functions: ${bad.join(', ')}. `
+ 'A hook is usually undefined because it was renamed or its line was dropped.',
);
}
Object.assign(_hooks, hooks);
_configured = true;
}
/**
* The seam itself. Reading a hook that was never wired THROWS — it never returns
* undefined and never returns a silent no-op. See the note at the top: a no-op
* default is precisely the bug this module exists to make impossible.
*/
export const host = new Proxy(Object.create(null), {
get(_target, name) {
if (typeof name === 'symbol') return undefined; // let JS probe it freely
if (!_configured) {
throw new Error(
`[host] host.${name} was read before configureHost() ran. `
+ 'app.js must call configureHost() at boot, before any carved module executes.',
);
}
const fn = _hooks[name];
if (typeof fn !== 'function') {
throw new Error(
`[host] host.${name} is not wired. Add it to the configureHost({ … }) `
+ 'call in app.js. (tests/js/host_contract.test.js should have caught this in CI.)',
);
}
return fn;
},
// Keep the object honest for anything that introspects it.
has(_target, name) { return name in _hooks; },
ownKeys() { return Object.keys(_hooks); },
getOwnPropertyDescriptor(_target, name) {
return name in _hooks
? { value: _hooks[name], enumerable: true, configurable: true, writable: false }
: undefined;
},
set(_target, name) {
throw new Error(`[host] host.${String(name)} is read-only — hooks are wired only via configureHost().`);
},
});
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// The AB loop — set / clear / persist, and the saved-loops list.
//
// The second slice out of app.js's strongly-connected core, and it owns the loop
// state: loopA, loopB, _loopMutationGen. Nothing outside this module writes them
// (restartCurrentSong() looked like it did, but it declares its own local shadows).
//
// DIRECTION MATTERS HERE. loops and section-practice are mutually dependent — the
// SCC in miniature. clearLoop() has to drop section-practice's selection, and
// practiceSection() has to call setLoop(). Both directions cannot be imports or the
// no-cycle gate (rightly) rejects it. So the edge is oriented:
//
// section-practice -> reaches loops through the HOST SEAM (host.setLoop, …)
// loops -> imports section-practice DIRECTLY
//
// section-practice is the higher-level feature — it is a consumer of loops, not the
// other way round — so it is the one that gets the indirection. app.js wires this
// module's exports into the seam for it.
//
// See ./host.js: reading an unwired hook THROWS, and tests/js/host_contract.test.js
// fails CI if the hooks used here and the hooks app.js wires ever drift apart.
import { esc, uiPrompt } from './dom.js';
import { host } from './host.js';
import {
_setSectionPracticeMode,
_syncSectionPracticeFromLoop,
_updateSectionPracticeHighlight,
practiceSection,
resetSelection,
} from './section-practice.js';
// ── A-B Loop ────────────────────────────────────────────────────────────
export let loopA = null;
export let loopB = null;
// Bumped on every NON-practiceSection loop mutation (direct setLoop from Saved
// Loops / the plugin API, and clearLoop). practiceSection() captures it and bails
// if it changes mid-retry, so a stale section retry can't overwrite a loop the
// user just set/cleared by another path. practiceSection's own setLoop calls pass
// skipSectionSync and do NOT bump it (they must not supersede themselves).
export let _loopMutationGen = 0;
export function setLoopStart() {
loopA = host._audioTime();
document.getElementById('btn-loop-a').className = 'px-3 py-1.5 bg-green-900/50 rounded-lg text-xs text-green-300 transition';
updateLoopUI();
}
export function setLoopEnd() {
if (loopA === null) return;
loopB = host._audioTime();
if (loopB <= loopA) { loopB = null; return; }
document.getElementById('btn-loop-b').className = 'px-3 py-1.5 bg-green-900/50 rounded-lg text-xs text-green-300 transition';
updateLoopUI();
// Manual A/B arming is a loop mutation like setLoop()'s — emit the same
// transport event so event-driven consumers (note_detect drill sync) see
// button-armed loops without having to poll getLoop().
window.feedBack?.playback?.transportEvent?.('loop-set', { requesterId: 'core.loop', loopA, loopB, loop: { startTime: loopA, endTime: loopB, enabled: true, state: 'active' } });
}
export function clearLoop(options) {
const { emitTransportEvent = true } = options || {};
// playSong() clears the loop on every song load, so only signal a
// loop-cleared transport event when a loop was actually active —
// otherwise every song switch emits a spurious playback:loop-cleared.
const hadLoop = loopA !== null || loopB !== null;
_setSectionPracticeMode(false, { skipClearLoop: true });
loopA = null;
loopB = null;
document.getElementById('btn-loop-a').className = 'px-3 py-1.5 bg-dark-600 hover:bg-dark-500 rounded-lg text-xs text-gray-300 transition';
document.getElementById('btn-loop-b').className = 'px-3 py-1.5 bg-dark-600 hover:bg-dark-500 rounded-lg text-xs text-gray-300 transition';
document.getElementById('btn-loop-clear').classList.add('hidden');
document.getElementById('btn-loop-save').classList.add('hidden');
document.getElementById('loop-label').textContent = '';
document.getElementById('saved-loops').value = '';
resetSelection();
_updateSectionPracticeHighlight(host._audioTime());
if (hadLoop && emitTransportEvent && typeof window !== 'undefined') {
window.feedBack?.playback?.transportEvent?.('loop-cleared', {
requesterId: 'core.loop',
reason: 'app loop cleared',
loop: { enabled: false, state: 'inactive' },
});
}
}
// Resync #saved-loops + #btn-loop-delete with the currently-active
// loopA/loopB. Used by both setLoop's success path (so plugin-driven
// loops show up correctly in the dropdown) and loadSavedLoop's
// failure path (so a cancelled selection reverts to the still-active
// loop). Without this sync, deleteSelectedLoop could target a stale
// option that doesn't match the active loop.
function _syncSavedLoopSelection() {
const sel = document.getElementById('saved-loops');
const delBtn = document.getElementById('btn-loop-delete');
if (!sel || !delBtn) return;
let selected = '';
if (loopA !== null && loopB !== null) {
for (const opt of sel.options) {
if (Number(opt.dataset.start) === loopA && Number(opt.dataset.end) === loopB) {
selected = opt.value;
break;
}
}
}
sel.value = selected;
delBtn.classList.toggle('hidden', !selected);
}
// Programmatically set both loop endpoints and seek to A. The dropdown
// path (loadSavedLoop) and the plugin-API path (window.feedBack.setLoop)
// both funnel through here so the UI state stays canonical regardless of
// who triggered the loop.
//
// Returns true if the seek landed at A and the loop is now active;
// returns false if the seek was cancelled by teardown or landed off-target
// (JUCE clamp / HTML5 snap > 50ms from A). On false, loopA/loopB are NOT
// committed and the UI is not painted — the prior loop (if any) stays
// active. Throws on invalid inputs.
export async function setLoop(a, b, options) {
const { emitTransportEvent = true, skipSectionSync = false, commitGuard = null } = options || {};
const aNum = Number(a);
const bNum = Number(b);
if (!Number.isFinite(aNum) || !Number.isFinite(bNum) || bNum <= aNum) {
throw new Error(`setLoop: requires finite a and b with b > a (got a=${a}, b=${b})`);
}
// Don't arm loopA/loopB before the seek lands — the 60Hz tick's wrap
// detector (`ct >= loopB`) would trigger startCountIn against
// half-applied state.
const r = await host._audioSeek(aNum, 'loop-set');
if (!r.completed || Math.abs(r.to - aNum) > 0.05) return false;
// Caller-owned staleness gate, re-checked after the awaited seek and before
// we commit loopA/loopB. practiceSection() passes this so a superseded retry
// (newer section click, mode turned off, or song/arrangement teardown that
// happened during the seek) does not arm a stale loop. Returning false here
// leaves the prior loop (if any) untouched, same as the off-target path.
if (typeof commitGuard === 'function' && !commitGuard()) return false;
loopA = aNum;
loopB = bNum;
// A direct (non-practice) loop set supersedes any in-flight practiceSection
// retry; practiceSection passes skipSectionSync and is exempt so it doesn't
// cancel itself.
if (!skipSectionSync) _loopMutationGen++;
document.getElementById('btn-loop-a').className = 'px-3 py-1.5 bg-green-900/50 rounded-lg text-xs text-green-300 transition';
document.getElementById('btn-loop-b').className = 'px-3 py-1.5 bg-green-900/50 rounded-lg text-xs text-green-300 transition';
updateLoopUI();
// Sync the saved-loops dropdown so a plugin-driven setLoop call
// surfaces the matching saved option (and Delete button) — otherwise
// the dropdown can stay on a stale selection and deleteSelectedLoop
// would target the wrong record.
_syncSavedLoopSelection();
// practiceSection() passes skipSectionSync: it sets its own section state
// under a request-gen guard, so the shared setLoop path must NOT re-sync
// here — otherwise a stale (superseded / mode-off) practiceSection retry
// that lands inside setLoop would re-arm the loop and flip the mode back on
// before the caller's gen check can bail. Direct callers (Saved Loops,
// window.feedBack.setLoop) still sync so their chip selection tracks.
if (!skipSectionSync && typeof _syncSectionPracticeFromLoop === 'function') {
_syncSectionPracticeFromLoop();
}
if (emitTransportEvent && typeof window !== 'undefined') {
window.feedBack?.playback?.transportEvent?.('loop-set', { requesterId: 'core.loop', loopA, loopB, loop: { startTime: loopA, endTime: loopB, enabled: true, state: 'active' } });
}
return true;
}
export function updateLoopUI() {
const label = document.getElementById('loop-label');
const hasLoop = loopA !== null && loopB !== null;
if (hasLoop) {
label.textContent = `${host.formatTime(loopA)}${host.formatTime(loopB)}`;
document.getElementById('btn-loop-clear').classList.remove('hidden');
document.getElementById('btn-loop-save').classList.remove('hidden');
} else if (loopA !== null) {
label.textContent = `${host.formatTime(loopA)} → ?`;
document.getElementById('btn-loop-clear').classList.add('hidden');
document.getElementById('btn-loop-save').classList.add('hidden');
} else {
label.textContent = '';
}
host._updateEditRegionBtn();
}
export async function loadSavedLoops() {
const sel = document.getElementById('saved-loops');
const delBtn = document.getElementById('btn-loop-delete');
if (!host.currentFilename()) { sel.classList.add('hidden'); delBtn.classList.add('hidden'); return; }
const resp = await fetch(`/api/loops?filename=${encodeURIComponent(decodeURIComponent(host.currentFilename()))}`);
const loops = await resp.json();
sel.innerHTML = '<option value="">Saved Loops</option>';
for (const l of loops) {
sel.innerHTML += `<option value="${l.id}" data-start="${l.start}" data-end="${l.end}">${esc(l.name)} (${host.formatTime(l.start)}${host.formatTime(l.end)})</option>`;
}
if (loops.length > 0) {
sel.classList.remove('hidden');
} else {
sel.classList.add('hidden');
}
delBtn.classList.add('hidden');
}
export async function loadSavedLoop(loopId) {
const sel = document.getElementById('saved-loops');
const opt = sel.selectedOptions[0];
const delBtn = document.getElementById('btn-loop-delete');
if (!loopId || !opt?.dataset.start) {
delBtn.classList.add('hidden');
return;
}
let ok = false;
try {
// Pass raw strings — setLoop's Number() coercion is stricter than
// parseFloat (rejects "12abc") so malformed dataset values throw
// and fall into the catch instead of silently truncating.
ok = await setLoop(opt.dataset.start, opt.dataset.end);
} catch (err) {
// Malformed dataset (server returned bad data): treat the same as
// a failed seek so the dropdown resyncs and we don't propagate an
// uncaught rejection out of the onchange handler.
console.warn('[loadSavedLoop] setLoop threw:', err);
ok = false;
}
if (!ok) {
// Seek aborted, landed off-target, or input was malformed.
// Resync the dropdown with the still-active loop so the UI
// doesn't lie about which loop is loaded.
_syncSavedLoopSelection();
return;
}
// Success path: setLoop already called _syncSavedLoopSelection,
// which surfaces the delete button when the new loop matches a
// saved option (which the dropdown selection guarantees here).
}
export async function saveCurrentLoop() {
if (loopA === null || loopB === null || !host.currentFilename()) return;
const name = await uiPrompt({ title: 'Save Loop', label: 'Loop name', value: 'Loop', okLabel: 'Save' });
if (name === null) return; // cancelled
const finalName = name.trim() || 'Loop'; // never persist an empty name
await fetch('/api/loops', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
filename: decodeURIComponent(host.currentFilename()),
name: finalName,
start: loopA,
end: loopB,
}),
});
await loadSavedLoops();
document.getElementById('btn-loop-save').classList.add('hidden');
}
export async function deleteSelectedLoop() {
const sel = document.getElementById('saved-loops');
const loopId = sel.value;
if (!loopId) return;
await fetch(`/api/loops/${loopId}`, { method: 'DELETE' });
clearLoop();
await loadSavedLoops();
}
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// Shared, MUTABLE player state.
//
// WHY A CONTAINER AND NOT PLAIN EXPORTS. An imported binding is read-only. Every
// slice carved out of app.js so far has only ever READ the state it shares
// (loopA/loopB, _audioSeekGen, currentFilename), so a getter hook was enough and no
// container was needed. That runs out here: count-in genuinely WRITES `isPlaying`
// (it starts and stops playback) and `lastAudioTime`. `import { isPlaying }` then
// `isPlaying = true` throws — the binding cannot be assigned to.
//
// So the state moves onto an object. `S.isPlaying = true` is a property write, which
// works from any module holding the same `S`. This is the same shape the stems,
// studio, and editor migrations converged on.
//
// It is deliberately SMALL. app.js has ~104 top-level `let` scalars; lifting all of
// them would be a ~977-site rewrite for no benefit, since most are private to one
// cluster and travel with it. Only the ones a carved module must WRITE belong here.
// Add to it when a carve actually needs it, not before.
//
// NB app.js's own 71 reference sites were rewritten mechanically — but from the AST,
// not by text substitution. Of 100 textual occurrences of these two names, only 71
// resolve to the module binding: 22 are member accesses (`someObj.isPlaying`), 4 are
// the local parameter of setPlayButtonState(isPlaying), one is an object key, and two
// are shorthand properties (`{ isPlaying }`) that must become `{ isPlaying: S.isPlaying }`.
// A blind find-and-replace corrupts all 29.
export const S = {
/** Is the transport running? Written by playback, count-in, and the JUCE shims. */
isPlaying: false,
/**
* The last audio position we saw, in seconds. Used to detect a seek that did not
* land where it was asked to (JUCE can clamp; HTML5 can round).
*/
lastAudioTime: 0,
};
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// The plugin loader — the R0 host rails.
//
// Carved verbatim out of static/app.js (R3a). This is the highest-risk module in
// core: it fetches /api/plugins, injects each plugin's screen.js (as
// <script type="module"> when its manifest says scriptType:"module"), mounts nav
// entries and screens, and wires plugin capability + UI contributions. If it
// breaks, every plugin breaks — so every change here ends with a real plugin
// booted against a local uvicorn, not just a green test run.
//
// The one thing it still needs from app.js is `window.showScreen` — already the
// public host contract (constitution II), so it is called through `window` rather
// than re-coupled as an import.
//
// `_populateVizPicker` used to arrive through a configurePluginLoader() host seam:
// it lived in app.js, and importing app.js from here would have closed a cycle.
// The viz layer is now its own leaf module, so the seam is GONE — this imports it
// directly, and the graph stays acyclic without any injection.
import { _populateVizPicker } from './viz.js';
let _loadPluginsInFlight = false;
const _pluginUiContributions = new Map();
const CAPABILITY_INSPECTOR_NAV_SETTING = 'capability_inspector.showInPluginsMenu';
function _capabilityInspectorNavEnabled() {
try { return localStorage.getItem(CAPABILITY_INSPECTOR_NAV_SETTING) === '1'; }
catch (_) { return false; }
}
// Derive a display label from a (possibly string) nav value. `/api/plugins`
// can return `nav` as a plain string (manifest `"nav": "Declared"`) or an
// object with a `.label`, and _pluginNav() may synthesize an object (e.g. the
// Capability Inspector). Handle all three so string labels and the synthesized
// label aren't dropped in favour of the plugin name.
function _navLabel(nav, plugin) {
if (typeof nav === 'string' && nav.trim()) return nav;
if (nav && typeof nav === 'object' && nav.label) return nav.label;
return (plugin && (plugin.name || plugin.id)) || '';
}
function _pluginNav(plugin) {
if (!plugin || !plugin.id) return null;
if (plugin.id === 'capability_inspector') {
if (!_capabilityInspectorNavEnabled()) return null;
return plugin.nav || { label: 'Capabilities', screen: 'plugin-capability_inspector' };
}
return plugin.nav || null;
}
async function _commandUiDomain(domain, command, plugin, payload) {
try {
if (!window.feedBack?.capabilities?.command) return;
await window.feedBack.capabilities.command(domain, command, {
requester: plugin.id || 'plugin',
target: { id: payload.id, pluginId: plugin.id, region: payload.region },
payload: { ...payload, pluginId: plugin.id },
});
} catch (e) {
console.warn(`ui contribution ${command} failed for ${plugin.id}:`, e);
}
}
async function _registerLegacyPluginUiContributions(plugin) {
const previous = _pluginUiContributions.get(plugin.id) || [];
for (const contribution of previous) {
await _commandUiDomain(contribution.domain, 'unmount', plugin, contribution);
}
const contributions = [];
const nav = _pluginNav(plugin);
if (nav) {
contributions.push({ domain: 'ui.navigation', id: `${plugin.id}:nav`, region: 'plugins', label: _navLabel(nav, plugin), mounted: true });
}
if (plugin.has_screen) {
contributions.push({ domain: 'ui.plugin-screens', id: `${plugin.id}:screen`, region: 'plugin-screens', label: plugin.name || plugin.id, mounted: true });
}
if (plugin.has_settings) {
contributions.push({ domain: 'settings', id: `${plugin.id}:settings`, region: 'plugin-settings', label: plugin.name || plugin.id, mounted: true });
}
if (plugin.type === 'visualization') {
contributions.push({ domain: 'ui.player-overlays', id: `${plugin.id}:visualization`, region: 'visualization-picker', label: plugin.name || plugin.id, mounted: true });
}
contributions.sort((a, b) => `${a.domain}:${a.id}`.localeCompare(`${b.domain}:${b.id}`));
_pluginUiContributions.set(plugin.id, contributions);
for (const contribution of contributions) {
await _commandUiDomain(contribution.domain, 'register-contribution', plugin, contribution);
await _commandUiDomain(contribution.domain, 'mount', plugin, contribution);
}
}
// Settings-tab containers that can host plugin <details> panels on the v3
// tabbed settings page. '#plugin-settings' is the fallback bucket (and the
// only container in the classic v2 settings page); the per-tab containers map
// to a plugin manifest's settings.category. A plugin with no category, or one
// whose tab container is absent (v2, or render not yet run), falls back to
// '#plugin-settings'. Body divs injected per plugin use id
// `plugin-settings-<pluginId>` and live INSIDE a <details>, so they are never
// direct children of these containers — no id collision in the scans below.
const _PLUGIN_SETTINGS_CONTAINER_IDS = [
'plugin-settings', 'plugin-settings-graphics',
'plugin-settings-mic', 'plugin-settings-progression',
];
function _pluginSettingsContainers() {
const out = [];
for (const id of _PLUGIN_SETTINGS_CONTAINER_IDS) {
const el = document.getElementById(id);
if (el) out.push(el);
}
return out;
}
function _pluginSettingsTarget(plugin) {
const cat = plugin && plugin.settings_category;
if (cat) {
const el = document.getElementById('plugin-settings-' + cat);
if (el) return el;
}
return document.getElementById('plugin-settings');
}
export async function loadPlugins() {
if (_loadPluginsInFlight) { console.log('[feedBack] loadPlugins: in-flight, skipping'); return null; }
_loadPluginsInFlight = true;
console.log('[feedBack] loadPlugins: start');
let plugins;
const navContainer = document.getElementById('nav-plugins');
const mobileNavContainer = document.getElementById('mobile-nav-plugins');
// Snapshot current nav so we can restore it if the fetch fails.
const _savedNav = navContainer ? navContainer.innerHTML : null;
const _savedMobileNav = mobileNavContainer ? mobileNavContainer.innerHTML : null;
try {
const resp = await fetch('/api/plugins');
const fetchedPlugins = await resp.json();
const capabilityPlugins = fetchedPlugins.slice().sort((a, b) => String(a.id || '').localeCompare(String(b.id || '')));
plugins = fetchedPlugins.slice().sort((a, b) => {
const nameDelta = String(a.name || a.id || '').localeCompare(String(b.name || b.id || ''));
return nameDelta || String(a.id || '').localeCompare(String(b.id || ''));
});
// NOTE deliberately NO stale-contribution sweep for plugins absent
// from this response. Absent ≠ uninstalled: the backend clears its
// plugin registry at the start of load_plugins() and repopulates it
// incrementally while HTTP stays up, so every backend restart serves a
// window of partial (even empty) responses. The old sweep unmounted UI
// contributions and unregistered capability participants on mere
// absence, permanently breaking still-loaded plugins — their scripts
// don't re-run (loadedScripts guard below), so nothing ever
// re-registered. A genuine mid-session uninstall now leaves the
// (already-evaluated, un-unloadable) script's contributions in place
// until reload; its nav entry still disappears because nav is rebuilt
// from the response each round. Same invariant as the settings/screen
// DOM wipe and _reconcilePluginStyles below.
console.log('[feedBack] loadPlugins: got', plugins.length, 'plugins');
try {
const capabilityApi = window.feedBack?.capabilities;
if (capabilityApi?.registerParticipants) {
capabilityApi.registerParticipants(capabilityPlugins);
if (capabilityApi.registerCompatibilityShim) {
for (const plugin of capabilityPlugins) {
for (const shim of Array.isArray(plugin.compatibility_shims) ? plugin.compatibility_shims : []) {
capabilityApi.registerCompatibilityShim(shim);
}
}
}
capabilityApi.validateRuntime?.({ phase: 'plugin-manifest-load' });
}
} catch (e) {
console.warn('[feedBack] capability manifest registration failed:', e);
}
// Plugin settings panels mount into one of several tab containers —
// see _pluginSettingsContainers()/_pluginSettingsTarget() above.
// Plugins whose screen.js has already been evaluated this session
// at the current version AND whose DOM is still in the document.
// Their listeners were bound to the existing settings / screen DOM,
// so we must preserve that DOM — the script load guard below skips
// re-evaluating screen.js, and a fresh empty DOM with no listeners
// would leave the plugin half-hydrated on subsequent loadPlugins()
// calls (e.g. the streamed refetches in _streamPluginStartup).
//
// The DOM-existence check is the safety net for plugins that
// disappeared and reappeared between calls (uninstall + reinstall,
// or a backend snapshot churn that drops a plugin then restores
// it). In that case the loadedScripts key would still be set, but
// any listeners are bound to elements that have since been removed
// — drop the stale key so screen.js re-runs against the fresh DOM
// we're about to inject.
// Map<pluginId, version> — one entry per plugin. Storing only the
// currently-loaded version (rather than a Set of all (id, version)
// pairs ever loaded) means upgrade → downgrade → upgrade cycles
// within one session don't leave stale keys that could mistakenly
// mark an old version as already-hydrated. Coerce a legacy Set, if
// present, to an empty Map — the previous shape never shipped.
let loadedScripts = window.feedBack._loadedPluginScripts;
if (!(loadedScripts instanceof Map)) {
loadedScripts = new Map();
window.feedBack._loadedPluginScripts = loadedScripts;
}
const _removePluginScriptTags = (pluginId) => {
// Filter via dataset rather than a CSS attribute selector —
// CSS.escape is not universally available, and plugin IDs
// aren't constrained server-side.
document.querySelectorAll('script[data-plugin-id]').forEach((s) => {
if (s.dataset.pluginId === pluginId) s.remove();
});
};
// Mirror of loadedScripts for the plugin `styles` capability: a single
// versioned <link rel=stylesheet> per plugin lives in <head>, deduped by
// id → version so an upgrade swaps it and re-activation doesn't pile up
// duplicate tags. The <link> covers both the plugin's screen and its
// settings panel. Plugins ship preflight-off (utilities only) CSS, so a
// stylesheet that lingers after deactivation can't bleed a base reset.
let loadedStyles = window.feedBack._loadedPluginStyles;
if (!(loadedStyles instanceof Map)) {
loadedStyles = new Map();
window.feedBack._loadedPluginStyles = loadedStyles;
}
const _removePluginStyleTags = (pluginId) => {
// Same dataset-filter rationale as _removePluginScriptTags.
document.querySelectorAll('link[data-plugin-id]').forEach((l) => {
if (l.dataset.pluginId === pluginId) l.remove();
});
};
const _injectPluginStyles = (plugin) => {
// Tear down a <link> we injected earlier this session when the plugin
// no longer ships a usable stylesheet — upgraded to drop `styles`, or
// to an invalid path — so stale CSS can't keep applying after the
// plugin disabled its styling.
const teardownStale = () => {
if (loadedStyles.has(plugin.id)) {
_removePluginStyleTags(plugin.id);
loadedStyles.delete(plugin.id);
}
};
if (!plugin.has_styles || !plugin.styles) { teardownStale(); return; }
// `styles` is a plugin-root-relative path (like screen/script/routes)
// and must live under assets/ so it serves through the sandboxed
// asset route — e.g. "assets/plugin.css". Reject anything that can't
// reach a served file or would build a malformed URL: not under
// assets/, a `..` traversal segment, a backslash, or a `?`/`#` that
// would collide with the cache-busting query we append. The server
// also enforces containment via safe_join — this just avoids the
// wasted 404 and matches the documented contract.
const path = String(plugin.styles).replace(/^\/+/, '');
const unsafe = !path.startsWith('assets/')
|| /(^|\/)\.\.(\/|$)/.test(path)
|| /[\\?#]/.test(path);
if (unsafe) {
console.warn(`Plugin ${plugin.id}: styles must be a path under assets/ with no "..", backslash, or query/fragment (got "${plugin.styles}") — skipping`);
teardownStale();
return;
}
const wantedVersion = plugin.version || '';
// Idempotent: same id+version already injected → nothing to do.
if (loadedStyles.get(plugin.id) === wantedVersion) return;
// A different version (or none) was loaded — drop the prior <link>
// so we never accumulate stale stylesheets across upgrades.
_removePluginStyleTags(plugin.id);
const link = document.createElement('link');
link.rel = 'stylesheet';
link.dataset.pluginId = plugin.id;
link.dataset.pluginVersion = wantedVersion;
// Version in the URL (the plugin `version`, mirroring the screen.js
// loader's ?v= convention) so a plugin upgrade within one session
// fetches fresh CSS instead of a copy cached by path alone.
const v = encodeURIComponent(wantedVersion);
link.href = `/api/plugins/${plugin.id}/${path}${v ? `?v=${v}` : ''}`;
// Cascade ordering: insert this <link> BEFORE core's prebuilt
// Tailwind (/static/tailwind.min.css) instead of appending at the
// end of <head>. A plugin that ships a full utility build — the
// default output of running the Tailwind CLI without a scoped
// content config — re-defines core utilities like .grid /
// .xl:grid-cols-4; appended last, those equal-specificity rules
// would win on source order and clobber core's responsive layout
// (e.g. the library grid collapses to 2 columns, the nav bar
// breaks). Loading the plugin sheet first means core wins any
// EQUAL-specificity collision, while the plugin's own namespaced
// classes still apply. A plugin can still deliberately override core
// via higher-specificity selectors or !important — this only removes
// the accidental source-order clobber.
const coreSheet =
document.head.querySelector('link[rel="stylesheet"][href*="tailwind.min.css"]')
|| document.head.querySelector('link[rel="stylesheet"]');
if (coreSheet) {
document.head.insertBefore(link, coreSheet);
} else {
document.head.appendChild(link);
}
loadedStyles.set(plugin.id, wantedVersion);
};
const _reconcilePluginStyles = (currentPlugins) => {
// Drop stylesheets for plugins the response KNOWS about but that
// are no longer ready+styled this round. _injectPluginStyles below
// only visits plugins still returned by the API, so a newly-not-
// ready or unstyled plugin would otherwise keep its <link>
// applying. Plugins merely ABSENT from the response keep their
// stylesheet — a transient partial response during a backend
// restart is not an uninstall (same invariant as the screen/
// settings wipe below), and stripping the <link> would leave a
// still-loaded plugin visible but unstyled.
const responded = new Set(currentPlugins.map((p) => p.id));
const styled = new Set(
currentPlugins
.filter((p) => (p.status || 'ready') === 'ready' && p.has_styles && p.styles)
.map((p) => p.id),
);
for (const id of Array.from(loadedStyles.keys())) {
if (responded.has(id) && !styled.has(id)) {
_removePluginStyleTags(id);
loadedStyles.delete(id);
}
}
};
const existingSettingsByPluginId = new Map();
for (const container of _pluginSettingsContainers()) {
for (const child of container.children) {
const pid = child.dataset ? child.dataset.pluginId : null;
if (pid) existingSettingsByPluginId.set(pid, child);
}
}
// Plugins named in THIS response. A plugin can be transiently absent
// from /api/plugins — the backend clears its registry at the start of
// load_plugins() and repopulates it incrementally while HTTP stays up,
// so every backend restart serves a window of partial (even empty)
// responses. The wipe loops below must never treat that absence as an
// uninstall: stripping a still-loaded plugin's DOM while keeping its
// loadedScripts entry made the NEXT refetch fail the DOM check and
// re-evaluate its screen.js mid-session — which duplicated the desktop
// audio_engine's native signal chain (its init re-ran against the
// surviving engine chain). Absent plugins keep their DOM and script;
// they're re-reconciled when they reappear in a later response.
const respondedIds = new Set(plugins.map((p) => p.id));
const alreadyHydrated = new Set();
for (const p of plugins) {
if (!p.has_script) continue;
// Version must match exactly — an upgrade / downgrade has to
// re-run the new script against fresh DOM.
if (loadedScripts.get(p.id) !== (p.version || '')) continue;
const screenOk = !p.has_screen || !!document.getElementById(`plugin-${p.id}`);
const settingsOk = !p.has_settings || existingSettingsByPluginId.has(p.id);
if (screenOk && settingsOk) {
alreadyHydrated.add(p.id);
} else {
// DOM was wiped externally (uninstall + reinstall, snapshot
// churn) — drop the entry and remove the orphaned <script>
// so screen.js re-runs against fresh DOM below.
loadedScripts.delete(p.id);
_removePluginScriptTags(p.id);
}
}
// Clear plugin-owned containers, but keep already-hydrated plugins'
// settings / screen DOM. Nav links carry no per-plugin script state,
// so always rebuild them.
navContainer.innerHTML = '';
mobileNavContainer.innerHTML = '<span class="text-xs text-gray-600 uppercase tracking-wider">Plugins</span>';
for (const container of _pluginSettingsContainers()) {
[...container.children].forEach((el) => {
const pid = el.dataset ? el.dataset.pluginId : null;
// Remove junk (no plugin id) and plugins the response KNOWS
// about but that failed hydration; leave plugins absent from
// the response untouched (see respondedIds above).
if (!pid || (respondedIds.has(pid) && !alreadyHydrated.has(pid))) el.remove();
});
}
document.querySelectorAll('.screen[id^="plugin-"]').forEach((el) => {
// dataset.pluginId is the source of truth (set on injection);
// the id-prefix fallback covers screens injected before this
// change shipped — both forms strip a single leading "plugin-".
const pid = (el.dataset && el.dataset.pluginId)
|| el.id.replace(/^plugin-/, '');
if (!pid || (respondedIds.has(pid) && !alreadyHydrated.has(pid))) el.remove();
});
// Plugin settings area hosts both "Plugin Updates" and per-plugin
// collapsibles. Reveal it whenever any plugins are installed —
// updates are relevant even for plugins that contribute no settings.
if (plugins.length > 0) {
const area = document.getElementById('plugin-settings-area');
if (area) area.classList.remove('hidden');
}
// Build plugin dropdown for desktop nav
const navPlugins = plugins.map(plugin => ({ plugin, nav: _pluginNav(plugin) })).filter(entry => entry.nav);
if (navPlugins.length > 0) {
const dropdown = document.createElement('div');
dropdown.className = 'relative';
dropdown.innerHTML = `
<button class="text-sm text-gray-400 hover:text-white transition flex items-center gap-1" onclick="this.nextElementSibling.classList.toggle('hidden')">
Plugins
<svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
</button>
<div class="hidden absolute top-full left-0 mt-2 bg-dark-800 border border-gray-700 rounded-xl shadow-xl py-2 min-w-[180px] max-h-[80vh] overflow-y-auto z-50" id="plugin-dropdown"></div>`;
navContainer.appendChild(dropdown);
const ddMenu = dropdown.querySelector('#plugin-dropdown');
// Close the plugin dropdown when clicking outside it. Bind ONCE:
// loadPlugins() re-runs on every plugin status change during
// startup (SSE-driven refetches), and each run rebuilds `dropdown`
// / `ddMenu`. A per-run addEventListener would leak a new global
// click listener on every refetch, each closing over a now-detached
// dropdown. The one-time handler instead resolves the LIVE dropdown
// from the DOM at click time, so it always targets the current one.
if (!window.feedBack._pluginDropdownOutsideClickBound) {
window.feedBack._pluginDropdownOutsideClickBound = true;
document.addEventListener('click', (e) => {
const menu = document.getElementById('plugin-dropdown');
if (!menu) return;
const container = menu.parentElement;
if (container && !container.contains(e.target)) menu.classList.add('hidden');
});
}
for (const { plugin, nav } of navPlugins) {
const screenId = `plugin-${plugin.id}`;
// A plugin is navigable only once it's ready. While its deps
// install (status "installing") or after a failed load
// (status "failed") we still render the nav slot — disabled,
// with an "installing…" suffix or the error as a tooltip — so
// the nav is stable and the user sees the plugin is coming
// (#421). Entries without a status (legacy / stub) are ready.
const status = plugin.status || 'ready';
const isReady = status === 'ready';
// nav is truthy here (navPlugins is filtered on entry.nav), and
// is the computed value from _pluginNav() — which may be a
// string, an object that omits `label`, or a synthesized object
// (e.g. the Capability Inspector). _navLabel() normalizes all
// three and falls back to name/id so a missing label never
// renders "undefined" or throws. Use the loop's `nav`, not the
// raw `plugin.nav`, so string and synthesized labels survive.
const label = _navLabel(nav, plugin);
const item = document.createElement('a');
item.href = '#';
ddMenu.appendChild(item);
// Mobile nav — flat list
const ma = document.createElement('a');
ma.href = '#';
mobileNavContainer.appendChild(ma);
if (isReady) {
item.className = 'block px-4 py-2 text-sm text-gray-400 hover:text-white hover:bg-dark-700 transition';
item.textContent = label;
item.onclick = (e) => { e.preventDefault(); ddMenu.classList.add('hidden'); window.showScreen(screenId); window.feedBackDemoTrack?.('event/plugin-open/' + plugin.id); };
ma.className = 'text-gray-400 hover:text-white pl-4 text-sm';
ma.textContent = label;
ma.onclick = (e) => { e.preventDefault(); window.showScreen(screenId); ma.closest('#mobile-menu').classList.add('hidden'); window.feedBackDemoTrack?.('event/plugin-open/' + plugin.id); };
} else {
const installing = status === 'installing';
const suffix = installing ? ' (installing…)' : ' (failed)';
const tip = installing
? 'This plugin is installing its dependencies and will become available shortly.'
: (plugin.error || 'This plugin failed to load. Check the server startup log for details.');
// Disabled appearance: dimmed, default cursor, no nav handler.
const cls = 'block px-4 py-2 text-sm text-gray-600 cursor-default select-none'
+ (installing ? ' animate-pulse' : '');
item.className = cls;
item.setAttribute('aria-disabled', 'true');
item.title = tip;
item.textContent = label + suffix;
// Drop disabled entries out of the tab order and strip the
// href so keyboard/screen-reader users don't land on a
// non-actionable "link" (a11y). Swallow clicks too, in case
// it's still reached via mouse.
item.removeAttribute('href');
item.setAttribute('tabindex', '-1');
item.onclick = (e) => { e.preventDefault(); };
ma.className = 'pl-4 text-sm text-gray-600 cursor-default select-none' + (installing ? ' animate-pulse' : '');
ma.setAttribute('aria-disabled', 'true');
ma.title = tip;
ma.textContent = label + suffix;
ma.removeAttribute('href');
ma.setAttribute('tabindex', '-1');
ma.onclick = (e) => { e.preventDefault(); };
}
}
}
// Tear down stylesheets for plugins that are gone / no longer styled
// before (re)injecting for the current set.
_reconcilePluginStyles(plugins);
for (const plugin of plugins) {
try {
// Only ready plugins have their assets available (the backend
// guards screen.html/screen.js/settings.html on status=="ready").
// Installing/failed plugins contribute only the disabled nav slot
// built above — skip screen/settings/script injection for them.
if (plugin.status && plugin.status !== 'ready') continue;
await _registerLegacyPluginUiContributions(plugin);
const screenId = `plugin-${plugin.id}`;
// Inject the plugin's stylesheet FIRST (before screen HTML/JS) so
// its utilities are present on first paint. Idempotent + version-
// deduped, so it's safe to call for already-hydrated plugins too.
_injectPluginStyles(plugin);
// Inject screen container. Skip for already-hydrated plugins —
// their existing screen DOM still has the listeners that
// screen.js bound on first load (rebuilding here would orphan
// them, since the script load guard further down won't re-run
// screen.js to re-bind).
if (plugin.has_screen && !alreadyHydrated.has(plugin.id)) {
const screenDiv = document.createElement('div');
screenDiv.id = screenId;
screenDiv.className = 'screen';
screenDiv.dataset.pluginId = plugin.id;
screenDiv.dataset.pluginVersion = plugin.version || '';
// Insert before the player screen
const player = document.getElementById('player');
player.parentNode.insertBefore(screenDiv, player);
const htmlResp = await fetch(`/api/plugins/${plugin.id}/screen.html`);
screenDiv.innerHTML = await htmlResp.text();
}
// Inject settings section — wrapped in a collapsible <details>
// per plugin so the page stays scannable as plugins accumulate.
// Collapsed by default; <details>/<summary> handles state natively.
// Skip for already-hydrated plugins — preserved details element
// still carries listeners wired by its inline settings script
// and by screen.js on first load.
// Resolve which settings tab this plugin's panel mounts under
// (manifest settings.category), falling back to '#plugin-settings'.
const settingsTarget = plugin.has_settings ? _pluginSettingsTarget(plugin) : null;
if (plugin.has_settings && settingsTarget && !alreadyHydrated.has(plugin.id)) {
const details = document.createElement('details');
details.className = 'bg-dark-700/40 border border-gray-800 rounded-xl overflow-hidden group';
details.dataset.pluginId = plugin.id;
details.dataset.pluginVersion = plugin.version || '';
const summary = document.createElement('summary');
// .plugin-settings-summary class hides the browser's native
// disclosure triangle (see style.css) so only our chevron shows.
// flex-col allows the fallback explanation note to appear below
// the name/badges row when plugin.fallback is set.
summary.className = 'plugin-settings-summary cursor-pointer select-none px-4 py-3 text-sm font-medium text-gray-300 hover:bg-dark-700/70 transition flex flex-col';
// Inner row: plugin name/badges (left) + chevron (right).
const headerRow = document.createElement('span');
headerRow.className = 'flex items-center justify-between';
const labelWrap = document.createElement('span');
labelWrap.className = 'flex items-center gap-2';
const labelSpan = document.createElement('span');
labelSpan.textContent = plugin.name || plugin.id;
labelWrap.appendChild(labelSpan);
// "Bundled" marker (feedBack#160). Visually distinguishes
// plugins that ship with the default container image from
// user-installed ones so users don't try to remove a core
// plugin via the manage-plugin flow and brick a feature
// that's expected to "just work".
if (plugin.bundled) {
const bundledDesc = 'This plugin ships with FeedBack core and is expected to be present.';
const badge = document.createElement('span');
badge.className = 'inline-flex items-center gap-1 text-[10px] uppercase tracking-wider px-1.5 py-0.5 rounded border border-purple-400/30 bg-purple-500/10 text-purple-300';
badge.title = bundledDesc;
badge.setAttribute('aria-label', 'Bundled — ' + bundledDesc);
badge.setAttribute('role', 'img');
badge.innerHTML = `
<svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
d="M12 11c1.657 0 3-1.343 3-3V6a3 3 0 10-6 0v2c0 1.657 1.343 3 3 3zM6 11h12a2 2 0 012 2v6a2 2 0 01-2 2H6a2 2 0 01-2-2v-6a2 2 0 012-2z"/>
</svg>
Bundled
`;
labelWrap.appendChild(badge);
}
// "Fallback" warning badge: the bundled copy failed to load its
// routes, so the server fell back to this older user-installed
// copy. Warn users so they know the bundled build is broken and
// can check the server startup log for the root cause.
if (plugin.fallback) {
const fbBadge = document.createElement('span');
fbBadge.className = 'inline-flex items-center gap-1 text-[10px] uppercase tracking-wider px-1.5 py-0.5 rounded border border-yellow-400/40 bg-yellow-500/10 text-yellow-300';
fbBadge.setAttribute('aria-hidden', 'true');
fbBadge.innerHTML = '<svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01M10.29 3.86L1.82 18a2 2 0 001.71 3h16.94a2 2 0 001.71-3L13.71 3.86a2 2 0 00-3.42 0z"/></svg> Fallback';
labelWrap.appendChild(fbBadge);
}
// Assemble inner header row: [name/badges (left)] [chevron (right)].
// Both are placed in headerRow so the fallback note (if any)
// can sit below the entire row as a second flex-col child of
// summary, rather than being squeezed inline beside the chevron.
headerRow.appendChild(labelWrap);
// Chevron icon — built via setAttributeNS so the SVG sits in
// the SVG namespace and renders correctly. Plugin label is
// appended as text above so manifest values can't inject HTML.
const svgNS = 'http://www.w3.org/2000/svg';
const svg = document.createElementNS(svgNS, 'svg');
svg.setAttribute('class', 'w-4 h-4 text-gray-500 transition-transform group-open:rotate-180');
svg.setAttribute('fill', 'none');
svg.setAttribute('stroke', 'currentColor');
svg.setAttribute('viewBox', '0 0 24 24');
const svgPath = document.createElementNS(svgNS, 'path');
svgPath.setAttribute('stroke-linecap', 'round');
svgPath.setAttribute('stroke-linejoin', 'round');
svgPath.setAttribute('stroke-width', '2');
svgPath.setAttribute('d', 'M19 9l-7 7-7-7');
svg.appendChild(svgPath);
headerRow.appendChild(svg);
summary.appendChild(headerRow);
// Fallback explanation note: a visible <p> below the header row,
// accessible to touch/keyboard users (browser tooltip via title/
// aria-label alone is hover-only and insufficient). Appended to
// summary (not labelWrap) so it renders as the second child in
// summary's flex-col layout, appearing below the name+badges row.
if (plugin.fallback) {
const fbNote = document.createElement('span');
fbNote.className = 'block text-xs text-yellow-300/80 mt-1';
fbNote.textContent = 'The bundled version failed to start. This user-installed copy is serving as a fallback. Check the server startup log for details.';
summary.appendChild(fbNote);
}
details.appendChild(summary);
const body = document.createElement('div');
body.id = `plugin-settings-${plugin.id}`;
body.className = 'px-4 py-4 border-t border-gray-800 space-y-4';
details.appendChild(body);
settingsTarget.appendChild(details);
const settingsResp = await fetch(`/api/plugins/${plugin.id}/settings.html`);
body.innerHTML = await settingsResp.text();
// <script> tags inserted via innerHTML are intentionally
// inert per the HTML5 spec — the browser parses them as
// DOM nodes but never runs the body. That silently breaks
// any plugin settings.html that wires event handlers via
// addEventListener (e.g. file pickers, anything that
// can't be expressed as an inline onclick=… attribute),
// and any inline IIFE that hydrates form values from
// localStorage. Re-create each script node — script
// elements created via document.createElement DO execute
// when appended — so plugins get the script behavior
// they'd expect from a normal HTML document.
body.querySelectorAll('script').forEach(oldScript => {
const newScript = document.createElement('script');
for (const attr of oldScript.attributes) {
newScript.setAttribute(attr.name, attr.value);
}
newScript.textContent = oldScript.textContent;
oldScript.parentNode.replaceChild(newScript, oldScript);
});
}
// Load plugin JS
if (plugin.has_script) {
const wantedVersion = plugin.version || '';
if (loadedScripts.get(plugin.id) !== wantedVersion) {
// A different version (or none) was loaded previously —
// remove the prior <script> tag for this plugin id so we
// don't accumulate stale versions on upgrade/downgrade.
_removePluginScriptTags(plugin.id);
await new Promise((resolve, reject) => {
const script = document.createElement('script');
// Include version in URL so a plugin upgrade within the
// same browser session fetches the new screen.js instead
// of a cached copy keyed only by path (matches the art
// URL ?v=mtime convention elsewhere in this file).
const v = encodeURIComponent(wantedVersion);
script.src = `/api/plugins/${plugin.id}/screen.js${v ? `?v=${v}` : ''}`;
// Module-migration (R0): a migrated plugin declares
// scriptType:"module" and its screen.js is `import
// './src/main.js'`. A <script type="module"> fires load
// only after its whole static-import graph evaluates, so
// the await-onload completion + _loadingPluginId contract
// below is preserved (a classic-IIFE dynamic import()
// would not). Classic plugins are unaffected.
if (plugin.script_type === 'module') script.type = 'module';
script.dataset.pluginId = plugin.id;
script.dataset.pluginVersion = wantedVersion;
window.feedBack._loadingPluginId = plugin.id;
script.onload = () => {
if (window.feedBack._loadingPluginId === plugin.id) delete window.feedBack._loadingPluginId;
loadedScripts.set(plugin.id, wantedVersion);
resolve();
};
script.onerror = (err) => {
if (window.feedBack._loadingPluginId === plugin.id) delete window.feedBack._loadingPluginId;
loadedScripts.delete(plugin.id);
reject(err);
};
document.body.appendChild(script);
});
}
}
} catch (e) {
console.warn(`Plugin '${plugin.id}' failed to load, skipping:`, e);
}
}
} catch (e) {
console.error('Failed to load plugins:', e);
// Restore nav so a failed re-hydration call doesn't leave it blank.
if (_savedNav !== null && navContainer) navContainer.innerHTML = _savedNav;
if (_savedMobileNav !== null && mobileNavContainer) mobileNavContainer.innerHTML = _savedMobileNav;
_loadPluginsInFlight = false;
return null;
}
_loadPluginsInFlight = false;
return plugins;
}
// Re-run loadPlugins (and the viz picker, since a newly-ready plugin may
// register a window.feedBackViz_<id> factory) when plugin status changes.
// Debounced so a burst of plugin-registered/plugin-error events during
// startup collapses into a single refetch.
let _pluginRefreshTimer = null;
function _refreshPluginsSoon() {
clearTimeout(_pluginRefreshTimer);
_pluginRefreshTimer = setTimeout(async () => {
const plugins = await loadPlugins();
if (plugins) {
_populateVizPicker(plugins);
} else {
// loadPlugins() returned null because a refetch was already in
// flight, so this status change would otherwise be dropped. Re-arm
// the debounce so the newer state is still applied once the
// in-flight load finishes. Reuses the 250ms delay (and the
// in-flight guard clears quickly), so this can't tight-loop.
_refreshPluginsSoon();
}
}, 250);
}
let _pluginStreamStarted = false;
function _streamPluginStartup() {
// Watch the SAME /api/startup-status/stream the splash used to gate on.
// Instead of blocking, we let the nav render immediately (loadPlugins ran
// already) and refetch whenever a plugin graduates to ready or fails — so
// its nav slot flips from "installing…" to active/failed without a reload
// (#421). loadPlugins is idempotent (in-flight guard + version map), so
// extra refetches are cheap and safe.
if (_pluginStreamStarted) return;
_pluginStreamStarted = true;
if (typeof EventSource === 'undefined') { _pollPluginStartup(); return; }
const es = new EventSource('/api/startup-status/stream');
es.onmessage = (event) => {
let status;
try { status = JSON.parse(event.data); } catch { return; }
if (!status || status.type === 'keepalive') return;
const phase = (status.phase || '').trim();
if (phase === 'plugin-registered' || phase === 'plugin-error') {
_refreshPluginsSoon();
}
// Terminal: one last refetch to catch anything missed, then stop.
if (!status.running && (phase === 'complete' || phase === 'error')) {
_refreshPluginsSoon();
es.close();
}
};
es.onerror = () => {
// Stream dropped (proxy buffering, backend hiccup). Stop retrying the
// stream and fall back to a bounded poll so late installs still surface.
es.close();
_pollPluginStartup();
};
}
let _pollStartupStarted = false;
async function _pollPluginStartup() {
// SSE-unavailable fallback: poll /api/startup-status until the backend
// finishes its plugin loader, refetching whenever the ready count changes
// or it goes terminal. Bounded so a backend that never finishes doesn't
// poll forever.
if (_pollStartupStarted) return;
_pollStartupStarted = true;
// Generous headroom over the documented worst case (whisperx → torch et al.
// can take 20-30 min): a 30-min ceiling would stop polling right as a
// slipping install — slow mirror, pip retry — actually finishes. 60 min
// leaves margin so the late graduation still surfaces. (#421)
const DEADLINE_MS = 60 * 60 * 1000;
const start = Date.now();
// Track a composite signature, not just the ready count: a plugin can fail
// (phase → "plugin-error", current_plugin/error change) without changing
// `loaded`, e.g. the next plugin breaks after all prior ones succeeded.
// Watching only `loaded` would miss that transition until some later
// ready-count change or terminal completion, so the failed/error nav state
// wouldn't surface. Refetch whenever any of these move.
let lastSig = null;
while (Date.now() - start < DEADLINE_MS) {
await new Promise((r) => setTimeout(r, 3000));
try {
const resp = await fetch('/api/startup-status');
if (!resp.ok) continue;
const status = await resp.json();
const sig = JSON.stringify([
Number(status.loaded || 0),
status.phase || '',
status.current_plugin || '',
status.error || '',
]);
if (sig !== lastSig) { lastSig = sig; _refreshPluginsSoon(); }
if (!status.running) { _refreshPluginsSoon(); return; }
} catch (_e) { /* network error — keep trying */ }
}
}
export async function bootstrapPluginsAndUi() {
// #421: never gate the nav on full plugin startup. Render it immediately
// from /api/plugins (ready plugins active; installing/failed disabled),
// then stream plugin status so each entry resolves in place as its
// dependencies finish installing or its load fails.
const plugins = await loadPlugins();
_streamPluginStartup();
return plugins;
}
// ── Plugin updates ──────────────────────────────────────────────────────
// The Settings-screen "Check for updates" / "Update" buttons. Carved out of
// app.js (R3a) into the loader rather than a module of their own: this is plugin
// MANAGEMENT, it belongs with the code that loads them. Both are inline handlers,
// so app.js re-exposes them on window.
export async function checkPluginUpdates() {
const btn = document.getElementById('btn-check-updates');
const status = document.getElementById('updates-status');
const list = document.getElementById('plugin-updates-list');
btn.disabled = true;
btn.textContent = 'Checking...';
status.textContent = '';
list.innerHTML = '';
try {
const resp = await fetch('/api/plugins/updates');
const data = await resp.json();
const updates = data.updates || {};
const keys = Object.keys(updates);
if (keys.length === 0) {
status.textContent = 'All plugins are up to date.';
} else {
status.textContent = `${keys.length} update${keys.length > 1 ? 's' : ''} available`;
for (const id of keys) {
const u = updates[id];
const row = document.createElement('div');
row.className = 'flex items-center gap-3 bg-dark-700 rounded-lg px-4 py-2';
row.innerHTML = `
<span class="text-sm text-gray-300 flex-1">${u.name} <span class="text-xs text-gray-500">(${u.behind} commit${u.behind > 1 ? 's' : ''} behind — ${u.local}${u.remote})</span></span>
<button onclick="updatePlugin('${id}', this)" class="bg-accent/20 hover:bg-accent/30 text-accent-light px-3 py-1 rounded-lg text-xs transition">Update</button>`;
list.appendChild(row);
}
}
} catch (e) {
status.textContent = 'Failed to check for updates.';
}
btn.disabled = false;
btn.textContent = 'Check for Updates';
}
export async function updatePlugin(pluginId, btn) {
btn.disabled = true;
btn.textContent = 'Updating...';
try {
const resp = await fetch(`/api/plugins/${pluginId}/update`, { method: 'POST' });
const data = await resp.json();
if (data.ok) {
btn.textContent = 'Updated — restart to apply';
btn.className = 'bg-green-900/30 text-green-400 px-3 py-1 rounded-lg text-xs';
} else {
btn.textContent = 'Failed';
btn.title = data.error || '';
}
} catch (e) {
btn.textContent = 'Error';
}
}
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// Settings backup — the export / import bundle.
//
// Carved verbatim out of static/app.js (R3a). A LEAF module: imports nothing.
//
// Two entry points, both inline handlers on the Settings screen, so app.js keeps
// re-exposing them on window. The import is two-phase (server first, atomic; then
// a best-effort localStorage merge) — the rationale comment below is the contract
// and moved with the code.
//
// Bundles server config + every localStorage key + opted-in plugin server
// files into a single JSON file.
//
// Apply semantics — phased, NOT all-or-nothing across the two stores:
// 1. Server first (/api/settings/import). Phase-1 validation guards
// the whole bundle; phase-2 disk commit is per-file but ordered
// so a mid-apply failure surfaces a `partial` field. A server
// failure short-circuits before any localStorage write, so the
// browser side stays untouched on validation refusals.
// 2. localStorage second, only after the server returns ok. Applied
// as a MERGE (no clear): bundled keys overwrite, locally-present
// keys absent from the bundle are preserved (so a plugin
// installed after the export keeps its first-run defaults).
// A localStorage exception here (quota / private mode) is
// surfaced verbatim — server state is already committed and we
// don't pretend the import was clean.
//
// In short: the server side is atomic in phase 1 and surface-partial in
// phase 2; the localStorage side is best-effort merge after server
// success. Failures are reported, never silenced.
export async function exportSettings() {
const status = document.getElementById('backup-status');
status.textContent = 'Exporting...';
try {
const resp = await fetch('/api/settings/export');
if (!resp.ok) {
status.textContent = `Export failed (HTTP ${resp.status})`;
return;
}
const bundle = await resp.json();
// Layer in the browser's localStorage. Use the standard Storage
// iteration API (length + key(i)) rather than Object.keys —
// Object.keys on a Storage instance is not deterministic across
// browsers and can both miss entries and include non-entry
// properties depending on the implementation. Keys are preserved
// verbatim as strings; that's how localStorage stores them, and
// round-trip fidelity matters more than re-typing values that
// were never typed in the first place.
const localStorageData = {};
for (let i = 0; i < localStorage.length; i++) {
const key = localStorage.key(i);
if (key === null) continue;
const value = localStorage.getItem(key);
if (value !== null) localStorageData[key] = value;
}
bundle.local_storage = localStorageData;
// Trigger download via blob + temporary <a download>. We honor the
// server's Content-Disposition filename when present, otherwise
// fall back to a date-stamped default.
let filename = 'feedBack-settings.json';
const disposition = resp.headers.get('Content-Disposition');
if (disposition) {
const match = /filename="([^"]+)"/.exec(disposition);
if (match) filename = match[1];
}
const blob = new Blob([JSON.stringify(bundle, null, 2)], { type: 'application/json' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = filename;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
status.textContent = `Exported ${filename}`;
} catch (e) {
status.textContent = `Export failed: ${e.message}`;
}
}
export async function importSettings(file) {
if (!file) return;
const status = document.getElementById('backup-status');
if (!confirm('Import will overwrite settings present in the bundle (server config, browser preferences, and opted-in plugin data) and reload the page. Settings not in the bundle (e.g. from plugins installed after the export) are preserved. Continue?')) {
status.textContent = 'Import cancelled';
return;
}
let bundle;
try {
bundle = JSON.parse(await file.text());
} catch (e) {
status.textContent = `Import failed: not valid JSON (${e.message})`;
return;
}
status.textContent = 'Importing...';
let resp, data;
try {
resp = await fetch('/api/settings/import', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(bundle),
});
data = await resp.json();
} catch (e) {
status.textContent = `Import failed: ${e.message}`;
return;
}
// Two failure shapes to surface: our own validation handler
// returns `{ok: false, error: "..."}`, but if the body fails
// FastAPI's request-level validation (e.g. top-level value is
// an array, not an object), the response is the framework's
// `{detail: ...}` shape with no `ok` key. `resp.ok` distinguishes
// both from success without depending on which path produced
// the failure.
if (!resp.ok || data.ok === false) {
let msg = data.error;
if (!msg && data.detail) {
msg = typeof data.detail === 'string'
? data.detail
: JSON.stringify(data.detail);
}
status.textContent = `Import failed: ${msg || `HTTP ${resp.status}`}`;
return;
}
// Server applied successfully. Now apply the localStorage portion as
// a MERGE (not clear+restore): keys in the bundle overwrite, keys
// present locally but absent from the bundle are preserved. This
// matters when a plugin was installed *after* the export — wiping
// its localStorage would erase first-run defaults the plugin set on
// load, leaving it in a worse state than before the import. The
// tradeoff is that orphan keys from removed plugins or renamed key
// schemes also linger; cleaning those up is the user's job.
const ls = bundle.local_storage;
if (ls && typeof ls === 'object') {
try {
for (const [key, value] of Object.entries(ls)) {
if (typeof value === 'string') localStorage.setItem(key, value);
}
} catch (e) {
// Quota exceeded / private mode etc. Server side already
// committed, so we surface the partial state rather than
// pretending it succeeded.
status.textContent = `Server applied, but localStorage write failed: ${e.message}`;
return;
}
}
const warnings = (data.warnings || []).join('; ');
status.textContent = warnings ? `Imported with warnings: ${warnings}. Reloading...` : 'Imported. Reloading...';
setTimeout(() => location.reload(), 800);
}
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// Tuning display — naming, string counts, and target frequencies.
//
// Carved verbatim out of static/app.js (R3a). A LEAF module: imports nothing.
//
// Turns raw per-string semitone offsets into things a human reads: a tuning NAME
// ("Drop D", "Eb Standard", or a raw-offsets fallback), whether an arrangement is
// bass, its effective string count, and the target FREQUENCIES + note names the
// tuner checks against. Pure functions over a small MIDI/note-name table.
//
// The window / window.feedBack assignments for these stay in app.js — they are the
// public contract (constitution II names window.feedBack), and app.js re-exposes
// the imported bindings from exactly where it always did, so nothing about the
// surface or its ordering changes.
// Display-only tuning label helpers — never mutate offsets or affect playback.
function _looksLikeRawTuningOffsets(str) {
if (!str || typeof str !== 'string') return false;
const s = str.trim();
if (!s) return false;
if (/^-?\d+$/.test(s)) return true;
if (/^-?\d+(?: -?\d+)+$/.test(s)) return true;
if (/^-?\d+(?:,-?\d+)+$/.test(s)) return true;
if (/^-?\d+(-?\d+){2,}$/.test(s)) return true;
return false;
}
function _tuningNameFromOffsets(offsets) {
if (!offsets || !offsets.length) return '';
const standard = {
0: 'E Standard', '-1': 'Eb Standard', '-2': 'D Standard',
'-3': 'C# Standard', '-4': 'C Standard', '-5': 'B Standard',
'-6': 'Bb Standard', '-7': 'A Standard',
1: 'F Standard', 2: 'F# Standard',
};
// Uniform offsets across 4 (bass) / 5 / 6 strings name the same Standard;
// a 4-string bass [0,0,0,0] must read "E Standard", not "Custom Tuning".
if (offsets.length >= 4 && offsets.every((o) => o === offsets[0])) {
const name = standard[offsets[0]];
if (name) return name;
}
if (offsets.length >= 4 && offsets[0] === offsets[1] - 2
&& offsets.slice(1).every((o) => o === offsets[1])) {
const noteNames = ['E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B', 'C', 'C#', 'D', 'Eb'];
return 'Drop ' + noteNames[((offsets[0] % 12) + 12) % 12];
}
const named = {
'-2,0,0,0,0,0': 'Drop D',
'-4,-2,-2,-2,-2,-2': 'Drop C',
'-2,-2,0,0,0,0': 'Double Drop D',
'0,0,0,-1,0,0': 'Open G',
'-2,-2,0,0,-2,-2': 'Open D',
'-2,0,0,0,-2,0': 'DADGAD',
'0,2,2,1,0,0': 'Open E',
'-2,0,0,2,3,2': 'Open D (alt)',
};
if (offsets.length === 6) {
const key = offsets.join(',');
if (named[key]) return named[key];
}
return 'Custom Tuning';
}
export function displayTuningName(value, offsets) {
// Explicit offsets win — always name them.
if (Array.isArray(offsets) && offsets.length > 0) {
return _tuningNameFromOffsets(offsets);
}
if (value && typeof value === 'string') {
const trimmed = value.trim();
if (!trimmed || trimmed === 'Unknown') return '';
if (!_looksLikeRawTuningOffsets(trimmed)) {
return trimmed;
}
// A raw offset string (now served by the API) — parse and name it so a
// known tuning like "-1 -1 -1 -1 -1 -1" reads "Eb Standard" rather than
// collapsing to "Custom Tuning".
const parsed = (typeof parseRawTuningOffsets === 'function')
? parseRawTuningOffsets(trimmed) : null;
if (parsed && parsed.length) return _tuningNameFromOffsets(parsed);
return 'Custom Tuning';
}
return '';
}
export function isBassArrangement(context) {
const ctx = context && typeof context === 'object' ? context : {};
if (typeof ctx.isBass === 'boolean') return ctx.isBass;
const label = ((ctx.arrangement || '') + ' ' + (ctx.arrangement_smart_name || '')).toLowerCase();
if (/\bbass\b/.test(label)) return true;
if (/\b(lead|rhythm|combo|guitar)\b/.test(label)) return false;
return false;
}
export function effectiveStringCount(offsets, context) {
if (!Array.isArray(offsets) || !offsets.length) return 0;
const ctx = context && typeof context === 'object' ? context : {};
const isBass = isBassArrangement(ctx);
let sc = ctx.stringCount > 0 ? Number(ctx.stringCount) : 0;
if (!isBass) {
if (sc > 0 && sc <= 5 && offsets.length >= 6) sc = 6;
if (!sc) sc = offsets.length >= 6 ? offsets.length : 6;
} else if (!sc) {
sc = offsets.length >= 5 ? offsets.length : 4;
}
return Math.min(sc, offsets.length);
}
export function songTuningContext(songInfo) {
if (!songInfo || typeof songInfo !== 'object') return {};
return {
stringCount: songInfo.stringCount,
arrangement: songInfo.arrangement,
arrangement_smart_name: songInfo.arrangement_smart_name,
};
}
// Open-string target notes (display only) — mirrors plugins/tuner/utils/tuning-utils.js.
const _TUNING_BASE_MIDI = {
4: [28, 33, 38, 43],
5: [23, 28, 33, 38, 43],
6: [40, 45, 50, 55, 59, 64],
7: [35, 40, 45, 50, 55, 59, 64],
8: [30, 35, 40, 45, 50, 55, 59, 64],
};
const _TUNING_NOTE_SHARP = ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B'];
const _TUNING_NOTE_FLAT = ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B'];
function _tuningMidiToFreq(m) {
return Math.pow(2, (m - 69) / 12) * 440;
}
function _tuningOffsetsToFreqs(offsets, isBass) {
const len = offsets.length;
let base;
if (len === 4 || len === 5) {
base = isBass ? _TUNING_BASE_MIDI[len] : _TUNING_BASE_MIDI[6];
} else {
base = _TUNING_BASE_MIDI[len] || _TUNING_BASE_MIDI[6];
}
return offsets.map((offset, i) => {
const root = i < base.length ? base[i] : base[base.length - 1];
return _tuningMidiToFreq(root + offset);
});
}
function _noteNameFromFreq(freq, useFlats) {
const midi = 69 + 12 * Math.log2(freq / 440);
const rounded = Math.round(midi);
const names = useFlats ? _TUNING_NOTE_FLAT : _TUNING_NOTE_SHARP;
return names[((rounded % 12) + 12) % 12];
}
function _octaveNoteFromFreq(freq, useFlats) {
const midi = 69 + 12 * Math.log2(freq / 440);
const rounded = Math.round(midi);
const octave = Math.floor(rounded / 12) - 1;
return _noteNameFromFreq(freq, useFlats) + octave;
}
function _stringOrdinalLabel(n) {
const v = n % 100;
if (v >= 11 && v <= 13) return n + 'th';
const suffix = { 1: 'st', 2: 'nd', 3: 'rd' }[n % 10] || 'th';
return n + suffix;
}
function _tuningTargetFreqs(offsets, context) {
if (!Array.isArray(offsets) || !offsets.length) return [];
const ctx = context && typeof context === 'object' ? context : {};
const stringCount = effectiveStringCount(offsets, ctx);
const trimmed = offsets.slice(0, stringCount);
if (!trimmed.length) return [];
const isBass = isBassArrangement(ctx);
try {
return _tuningOffsetsToFreqs(trimmed, isBass);
} catch (_) {
return [];
}
}
// Flat vs sharp spelling. A caller that knows the preference can pass
// ctx.useFlats; otherwise we infer from a flat-keyed tuning name. The v3
// card/HUD pass "Custom Tuning" (raw offsets carry no key), so those default
// to sharps unless an explicit useFlats is supplied.
function _resolveTargetUseFlats(ctx) {
if (typeof ctx.useFlats === 'boolean') return ctx.useFlats;
return typeof ctx.tuningName === 'string' && /\b[A-G]b\b/.test(ctx.tuningName);
}
export function displayTuningTargetDetails(offsets, context) {
const ctx = context && typeof context === 'object' ? context : {};
const useFlats = _resolveTargetUseFlats(ctx);
const freqs = _tuningTargetFreqs(offsets, ctx);
return freqs.map((f, i) => {
const stringNumber = freqs.length - i;
const note = _noteNameFromFreq(f, useFlats);
const octaveNote = _octaveNoteFromFreq(f, useFlats);
return {
stringNumber,
note,
octaveNote,
title: _stringOrdinalLabel(stringNumber) + ' string: ' + octaveNote,
};
});
}
export function displayTuningTargets(offsets, context) {
const ctx = context && typeof context === 'object' ? context : {};
const useFlats = _resolveTargetUseFlats(ctx);
const freqs = _tuningTargetFreqs(offsets, ctx);
if (!freqs.length) return '';
return freqs.map((f) => _noteNameFromFreq(f, useFlats)).join(' ');
}
export function parseRawTuningOffsets(value) {
if (Array.isArray(value) && value.length) return value;
if (!value || typeof value !== 'string') return null;
const s = value.trim();
if (/^-?\d+(?: -?\d+)+$/.test(s)) {
return s.split(/\s+/).map((n) => Number(n));
}
if (/^-?\d+(?:,-?\d+)+$/.test(s)) {
return s.split(',').map((n) => Number(n));
}
return null;
}
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// The visualization layer — the viz picker, renderer selection, and Auto-match.
//
// Carved verbatim out of static/app.js (R3a). A LEAF module: it imports NOTHING,
// which is what lets static/js/plugin-loader.js take _populateVizPicker straight
// from here and drop the configurePluginLoader() host seam it needed while this
// code still lived in app.js.
//
// It owns the state behind those decisions (the one-shot WebGL2 probe, the
// 3D-promotion flag, the Auto label, the notation-hint memo) — all
// module-private, because nothing outside reads them.
// ── Visualization picker (feedBack#36) ─────────────────────────────────
//
// Discovers viz plugins via /api/plugins and adds them to the #viz-picker
// dropdown. A viz plugin declares itself by setting `"type": "visualization"`
// in its plugin.json AND exposing a factory function on
// window.feedBackViz_<id> that returns an object matching the setRenderer
// contract ({init, draw, resize, destroy}).
//
// The "default" option in the dropdown is the built-in 2D highway that
// lives inside createHighway(); selecting it calls setRenderer(null) which
// restores the default renderer. The bundled 3D Highway plugin
// (plugins/highway_3d/) registers as id `highway_3d` and is the new
// fresh-install default per feedBack#160 PR 3.
// ── WebGL2 detection (one-shot probe) ────────────────────────────────────
// 3D Highway requires WebGL2. On environments where it's unavailable
// (older browsers, some embedded webviews, software-only contexts), we
// silently fall back to the Classic 2D Highway and flash a single toast
// so the user knows why their highway looks different. Cached so we don't
// thrash the GPU with repeat throwaway-canvas creations.
let _webgl2Probe = null;
function _canRun3D() {
if (_webgl2Probe !== null) return _webgl2Probe;
try {
const c = document.createElement('canvas');
const gl = c.getContext('webgl2');
_webgl2Probe = !!gl;
// Lose the context immediately — the probe canvas is never reused.
if (gl && gl.getExtension) {
const ext = gl.getExtension('WEBGL_lose_context');
if (ext && ext.loseContext) ext.loseContext();
}
} catch (_) { _webgl2Probe = false; }
return _webgl2Probe;
}
// ── Migration / nag flags ────────────────────────────────────────────────
// `feedBack_3d_promoted_v1` is set the first time we auto-flip an existing
// `vizSelection='default'` user to `'highway_3d'`. Persistence ensures we
// don't re-nag on every reload — and ensures the WebGL2 fallback path
// doesn't ping-pong (one fallback toast, not one per page load).
const _3D_PROMOTED_FLAG_KEY = 'feedBack_3d_promoted_v1';
function _markPromoted() {
try { localStorage.setItem(_3D_PROMOTED_FLAG_KEY, '1'); } catch (_) {}
}
function _hasPromotedFlag() {
try { return localStorage.getItem(_3D_PROMOTED_FLAG_KEY) === '1'; }
catch (_) { return false; }
}
// Pending nag: queued during _populateVizPicker, fired on the first
// `song:ready` (so the toast lands when the user actually opens the
// player, not at page load when they're still in the library).
// `song:ready` is emitted by highway.js via window.feedBack.emit(), so
// subscribe through the same EventTarget. window.feedBack is created in
// this same file before _populateVizPicker is reachable, so the global
// is guaranteed to exist by the time this listener registers — but guard
// anyway in case this module is ever loaded standalone for tests.
let _pendingPromotionNag = false;
if (window.feedBack && typeof window.feedBack.on === 'function') {
window.feedBack.on('song:ready', () => {
if (!_pendingPromotionNag) return;
_pendingPromotionNag = false;
_showPromotionNag();
});
}
function _showPromotionNag() {
// Lightweight toast — no dependency on a generic toast helper, since
// app.js doesn't currently have one. Fixed bottom-center, dismissed
// by clicking either action button or the × close.
const existing = document.getElementById('feedBack-3d-nag');
if (existing) existing.remove();
const wrap = document.createElement('div');
wrap.id = 'feedBack-3d-nag';
wrap.setAttribute('role', 'dialog');
wrap.setAttribute('aria-modal', 'false');
wrap.setAttribute('aria-label', '3D Highway upgrade notification');
wrap.style.cssText = `
position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
background: linear-gradient(145deg, #1a1a30 0%, #0d0d18 100%);
border: 1px solid rgba(64,128,224,0.4);
border-radius: 12px; padding: 12px 16px;
box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(64,128,224,0.15);
font-size: 13px; color: #e2e8f0; z-index: 10000;
max-width: 480px; display: flex; align-items: center; gap: 12px;
`;
wrap.innerHTML = `
<span aria-live="polite" style="flex:1;">Your highway was upgraded to <strong>3D</strong>.</span>
<button type="button" data-act="tour" style="background:rgba(64,128,224,0.25);color:#e2e8f0;border:1px solid rgba(64,128,224,0.5);padding:6px 12px;border-radius:8px;font-size:12px;cursor:pointer;">Try the tour</button>
<button type="button" data-act="back" style="background:transparent;color:#cbd5e1;border:1px solid rgba(255,255,255,0.1);padding:6px 12px;border-radius:8px;font-size:12px;cursor:pointer;">Switch back to 2D</button>
<button type="button" data-act="dismiss" aria-label="Dismiss" style="background:transparent;color:#6b7280;border:none;font-size:18px;cursor:pointer;padding:0 4px;line-height:1;">×</button>
`;
wrap.addEventListener('click', (ev) => {
const btn = ev.target.closest('button[data-act]');
if (!btn) return;
const act = btn.dataset.act;
if (act === 'tour') {
try {
if (window.feedBackTour && typeof window.feedBackTour.start === 'function') {
window.feedBackTour.start('highway_3d');
}
} catch (_) {}
} else if (act === 'back') {
setViz('default');
}
wrap.remove();
});
document.body.appendChild(wrap);
}
function _showWebGL2FallbackToast() {
// One-time fallback notice. Same lightweight DOM as the nag, simpler
// copy and only a dismiss button.
if (document.getElementById('feedBack-3d-fallback')) return;
const wrap = document.createElement('div');
wrap.id = 'feedBack-3d-fallback';
wrap.setAttribute('role', 'dialog');
wrap.setAttribute('aria-modal', 'false');
wrap.setAttribute('aria-label', 'WebGL2 not available');
wrap.style.cssText = `
position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
background: #181830; border: 1px solid rgba(255,180,80,0.4);
border-radius: 12px; padding: 10px 14px;
font-size: 12px; color: #e2e8f0; z-index: 10000;
display: flex; align-items: center; gap: 10px;
`;
wrap.innerHTML = `
<span aria-live="polite">3D Highway needs WebGL2 — falling back to Classic 2D.</span>
<button type="button" data-act="dismiss" aria-label="Dismiss" style="background:transparent;color:#6b7280;border:none;font-size:16px;cursor:pointer;padding:0 4px;line-height:1;">×</button>
`;
wrap.addEventListener('click', (ev) => {
if (ev.target.closest('button[data-act]')) wrap.remove();
});
document.body.appendChild(wrap);
setTimeout(() => { try { wrap.remove(); } catch (_) {} }, 8000);
}
// The "default" option in the dropdown is the built-in 2D highway that
// lives inside createHighway(); selecting it calls setRenderer(null) which
// restores the default renderer.
function _ensureVenueVizOption(sel) {
if (!sel) return;
if (Array.from(sel.options).some(opt => opt.value === 'venue')) return;
if (!Array.from(sel.options).some(opt => opt.value === 'highway_3d')) return;
const h3dOpt = Array.from(sel.options).find(opt => opt.value === 'highway_3d');
const opt = document.createElement('option');
opt.value = 'venue';
opt.textContent = 'Venue';
if (h3dOpt && h3dOpt.nextSibling) sel.insertBefore(opt, h3dOpt.nextSibling);
else sel.appendChild(opt);
}
function _syncVenueVizPlayerClass(vizId) {
if (window.v3VenueViz && typeof window.v3VenueViz.setSelectedVizId === 'function') {
window.v3VenueViz.setSelectedVizId(vizId);
return;
}
if (window.v3VenueViz && typeof window.v3VenueViz.syncPlayerVizClass === 'function') {
window.v3VenueViz.syncPlayerVizClass(vizId);
return;
}
const player = document.getElementById('player');
if (player) player.classList.toggle('is-venue-visualization', vizId === 'venue');
}
export async function _populateVizPicker(plugins) {
const sel = document.getElementById('viz-picker');
if (!sel) return;
// Clear any previously-appended plugin options so calling this
// function more than once (e.g. from DevTools, or a hot-reloaded
// plugin) doesn't produce duplicates. The built-in "auto" and
// "default" options are static markup — preserve them.
const BUILTIN_OPT_VALUES = new Set(['auto', 'default', 'venue']);
Array.from(sel.options).forEach(opt => {
if (!BUILTIN_OPT_VALUES.has(opt.value)) sel.removeChild(opt);
});
// Accept a pre-fetched plugins array (normal startup path reuses
// loadPlugins' fetch). Fall back to our own fetch if called
// standalone — e.g. from the DevTools console for debugging.
if (!Array.isArray(plugins)) {
plugins = [];
try {
const resp = await fetch('/api/plugins');
if (resp.ok) plugins = await resp.json();
} catch (e) {
console.warn('viz picker: /api/plugins fetch failed', e);
}
}
const vizPlugins = plugins.filter(p => p && p.type === 'visualization');
// "default" is reserved for the built-in 2D renderer option and
// "auto" is reserved for the Auto-mode entry — both already in the
// <select>. A plugin with either id would collide: the
// restore-from-localStorage lookup would find the built-in entry,
// dragging the plugin into never-selected land silently. Fail
// loudly instead.
const RESERVED_IDS = new Set(['default', 'auto']);
for (const p of vizPlugins) {
if (RESERVED_IDS.has(p.id)) {
console.error(`viz picker: plugin id '${p.id}' collides with a reserved built-in picker entry ('auto' = Auto mode, 'default' = built-in 2D highway); rename the plugin's id in plugin.json to include it in the picker.`);
continue;
}
// Skip entries where the plugin script hasn't exposed a factory —
// likely means the script failed to load, or the plugin declared
// itself as a viz without shipping the factory yet.
const factoryName = 'feedBackViz_' + p.id;
if (typeof window[factoryName] !== 'function') {
console.warn(`viz picker: plugin '${p.id}' has type=visualization but ${factoryName} is not a function; skipping`);
continue;
}
const opt = document.createElement('option');
opt.value = p.id;
opt.textContent = p.name || p.id;
sel.appendChild(opt);
}
_ensureVenueVizOption(sel);
// Refresh the visualization capability domain's provider registry from
// the picker entries just built (the domain host introspects each
// factory global for contextType / predicate metadata).
if (window.feedBack.vizDomain && typeof window.feedBack.vizDomain.refreshProviders === 'function') {
try {
// The host reads manifest-declared per-instance settings
// (capabilities.visualization.settings, feedBack#849) from the
// registered capability participant by id — no need to pass them
// through the picker here.
window.feedBack.vizDomain.refreshProviders(
Array.from(sel.options)
.filter(opt => !BUILTIN_OPT_VALUES.has(opt.value))
.map(opt => ({ id: opt.value, label: opt.text }))
);
} catch (e) { console.warn('viz picker: capability provider refresh failed', e); }
}
// Restore previous selection if still available. Direct option
// scan instead of a CSS-selector lookup so we don't depend on
// CSS.escape (missing in some test environments / older runtimes)
// and so a weird saved string (e.g. with a quote) can't throw.
// localStorage.getItem can itself throw when storage is blocked
// (private mode, sandboxed iframes, some strict test runners);
// fall back to null so the startup chain doesn't abort.
let saved = null;
try { saved = localStorage.getItem('vizSelection'); }
catch (e) { console.warn('viz picker: unable to read vizSelection', e); }
// ── 3D promotion migration (feedBack#160 PR 3) ──────────────────────
// Existing users with `vizSelection='default'` (the old built-in 2D
// highway) are auto-flipped to the bundled 3D Highway exactly once,
// and a non-modal nag toast offers them "Try the tour" / "Switch
// back to 2D" the first time they open the player. Users on `auto`
// are left alone (auto-pick semantics unchanged). Users on a custom
// viz plugin are left alone. WebGL2 absence falls back via setViz.
if (saved === 'default' && !_hasPromotedFlag()) {
const has3D = Array.from(sel.options).some(o => o.value === 'highway_3d');
if (has3D && _canRun3D()) {
saved = 'highway_3d';
try { localStorage.setItem('vizSelection', 'highway_3d'); } catch (_) {}
_markPromoted();
_pendingPromotionNag = true;
// Race guard: if song:ready already fired before _populateVizPicker
// ran (e.g. a deeplink or a fast-loading song), getSongInfo() will
// already be non-empty and we'll never receive another song:ready
// in this session. Show the nag immediately in that case.
const _si = window.highway && window.highway.getSongInfo();
if (_si && _si.title) {
_pendingPromotionNag = false;
_showPromotionNag();
}
} else if (has3D && !_canRun3D()) {
// 3D registered but WebGL2 absent — promote in name but
// immediately fall back so we don't ping-pong on every load.
// Set the flag so we don't try again next reload.
_markPromoted();
_showWebGL2FallbackToast();
}
// No `highway_3d` option (plugin unloaded?) → leave saved as
// 'default'. We'll retry the migration once the plugin is back.
}
const savedMatches = saved && Array.from(sel.options).some(opt => opt.value === saved);
if (savedMatches) {
sel.value = saved;
// 'default' needs no setViz — the highway already starts with
// the built-in renderer. 'auto' runs setViz so _autoMatchViz
// fires, though it's a no-op before the first song_info frame.
if (saved !== 'default') setViz(saved);
} else if (saved) {
// Saved selection references an option that no longer exists —
// plugin uninstalled since last session, renamed, or the plugin
// script failed to register its factory this time. Clear the
// stale value so we don't keep trying the same missing viz on
// every reload, and fall through to the fresh-install default
// below.
try { localStorage.removeItem('vizSelection'); }
catch (_) { /* storage blocked; ignore */ }
saved = null;
}
if (!saved) {
// Fresh install (or post-cleanup fallthrough): default to the
// bundled 3D Highway when available + WebGL2-capable, falling
// back to Auto otherwise so the arrangement-matching plugins
// (piano on Keys songs, drums on Drums songs, ...) still take
// over for non-3D arrangements.
const has3D = Array.from(sel.options).some(o => o.value === 'highway_3d');
if (has3D && _canRun3D()) {
sel.value = 'highway_3d';
try { localStorage.setItem('vizSelection', 'highway_3d'); } catch (_) {}
setViz('highway_3d');
} else {
sel.value = 'auto';
try { localStorage.setItem('vizSelection', 'auto'); } catch (_) {}
if (has3D && !_canRun3D()) { _markPromoted(); _showWebGL2FallbackToast(); }
}
}
// Close a startup race: if playback began before loadPlugins
// finished, song:ready already fired while the picker had no
// plugin options — _autoMatchViz saw no candidates and left the
// default active. Now that plugins are registered, re-evaluate
// against whatever song is currently loaded (a no-op when no song
// has been loaded yet, since highway.getSongInfo() returns {}).
if (sel.value === 'auto') _autoMatchViz();
}
function _tagVizRenderer(renderer, id) {
if (!renderer || !id) return renderer;
try {
if (!renderer.pluginId) renderer.pluginId = id;
if (!renderer.source) renderer.source = id;
} catch (_) {}
return renderer;
}
// Attribution hooks into the visualization capability domain (cap:6).
// Guarded no-ops when the domain host isn't loaded (minimal/test pages).
function _notifyVizDomain(id, source) {
const domain = window.feedBack && window.feedBack.vizDomain;
if (domain && typeof domain.notifyRendererChanged === 'function') {
try { domain.notifyRendererChanged(id, source); } catch (_) {}
}
}
function _noteVizAutoMatch(id, matched) {
const domain = window.feedBack && window.feedBack.vizDomain;
if (domain && typeof domain.noteAutoMatch === 'function') {
try { domain.noteAutoMatch(id, matched); } catch (_) {}
}
}
function _installVizRenderer(renderer, id, source = 'user-select') {
highway.setRenderer(_tagVizRenderer(renderer, id));
// Drop any stale notation-view hint now that we have a resolved renderer id.
// This is also the path used by _autoMatchViz() after it resolves 'auto' to
// a real plugin id, so the null passed at evaluation start is corrected here.
_dropStaleNotationHint(id);
_notifyVizDomain(id, source);
if (window.v3VenueViz && typeof window.v3VenueViz.notifyRendererInstalled === 'function') {
window.v3VenueViz.notifyRendererInstalled(id);
}
}
export function setViz(id) {
// Helper: reset the UI and persisted selection to the built-in
// "default" entry. Called whenever the requested viz can't be
// applied (missing factory, factory threw, factory returned a
// non-conforming renderer) so the picker, localStorage, and the
// highway's active renderer stay in sync.
const fallbackToDefault = () => {
try { localStorage.setItem('vizSelection', 'default'); } catch (_) {}
const sel = document.getElementById('viz-picker');
if (sel) sel.value = 'default';
highway.setRenderer(null);
_syncVenueVizPlayerClass('default');
if (window.v3VenueScene3d && typeof window.v3VenueScene3d.syncViz === 'function') {
window.v3VenueScene3d.syncViz('default');
}
_notifyVizDomain('default', 'fallback');
_maybeShowNotationViewHint('default');
};
// When switching away from Auto, reset the closed-state label so the
// Auto option shows base text the next time the user opens the dropdown.
// Also cancel any pending viz:renderer:ready listener from the previous
// Auto match cycle so it can't set a stale label after we've moved on.
if (id !== 'auto') {
if (_cancelPendingAutoLabel) { _cancelPendingAutoLabel(); _cancelPendingAutoLabel = null; }
_setAutoVizLabel(null);
}
if (id === 'default' || !id) {
try { localStorage.setItem('vizSelection', id || 'default'); } catch (_) {}
const _sel = document.getElementById('viz-picker');
if (_sel) _sel.value = 'default';
highway.setRenderer(null);
_syncVenueVizPlayerClass('default');
if (window.v3VenueScene3d && typeof window.v3VenueScene3d.syncViz === 'function') {
window.v3VenueScene3d.syncViz('default');
}
_notifyVizDomain('default', 'user-select');
_maybeShowNotationViewHint('default');
return;
}
if (id === 'auto') {
try { localStorage.setItem('vizSelection', 'auto'); } catch (_) {}
_syncVenueVizPlayerClass('auto');
if (window.v3VenueScene3d && typeof window.v3VenueScene3d.syncViz === 'function') {
window.v3VenueScene3d.syncViz('auto');
}
_autoMatchViz();
return;
}
if (id === 'venue') {
if (!_canRun3D()) {
console.warn('viz picker: WebGL2 unavailable, falling back to Classic 2D Highway');
_markPromoted();
_showWebGL2FallbackToast();
fallbackToDefault();
return;
}
const venueFactory = window['feedBackViz_highway_3d'];
if (typeof venueFactory !== 'function') {
console.error('viz picker: venue requires feedBackViz_highway_3d');
fallbackToDefault();
return;
}
let venueRenderer;
try { venueRenderer = venueFactory(); }
catch (e) {
console.error('viz picker: feedBackViz_highway_3d threw for venue mode', e);
fallbackToDefault();
return;
}
if (!venueRenderer || typeof venueRenderer.draw !== 'function') {
console.error('viz picker: feedBackViz_highway_3d returned an invalid renderer for venue mode');
fallbackToDefault();
return;
}
try { localStorage.setItem('vizSelection', 'venue'); } catch (_) {}
const _venueSel = document.getElementById('viz-picker');
if (_venueSel) _venueSel.value = 'venue';
_installVizRenderer(venueRenderer, 'highway_3d');
_syncVenueVizPlayerClass('venue');
console.info('[venue-viz] selected venue -> renderer highway_3d, venueClass=true');
if (window.v3VenueMoodFx && typeof window.v3VenueMoodFx.onVenueVisualizationSelected === 'function') {
window.v3VenueMoodFx.onVenueVisualizationSelected();
}
if (window.v3VenueScene3d && typeof window.v3VenueScene3d.syncViz === 'function') {
window.v3VenueScene3d.syncViz('venue');
}
_maybeShowNotationViewHint('highway_3d');
return;
}
// 3D Highway specifically gates on WebGL2. Any future WebGL viz
// plugin should declare its own probe — for now the bundled 3D
// Highway is the only viz with this requirement, so the gate is
// hardcoded. Falling back to 'default' (Classic 2D) keeps the
// picker in sync; toast informs the user.
if (id === 'highway_3d' && !_canRun3D()) {
console.warn('viz picker: WebGL2 unavailable, falling back to Classic 2D Highway');
_markPromoted();
_showWebGL2FallbackToast();
fallbackToDefault();
return;
}
const factory = window['feedBackViz_' + id];
if (typeof factory !== 'function') {
console.error(`viz picker: factory feedBackViz_${id} not available`);
fallbackToDefault();
return;
}
let renderer;
try { renderer = factory(); }
catch (e) {
console.error(`viz picker: factory feedBackViz_${id} threw`, e);
fallbackToDefault();
return;
}
// Validate shape — highway.setRenderer will itself fall back to
// default on a bad renderer, but without this check the UI and
// localStorage would still advertise the broken selection.
if (!renderer || typeof renderer.draw !== 'function') {
console.error(`viz picker: factory feedBackViz_${id} returned an invalid renderer (missing draw)`);
fallbackToDefault();
return;
}
// Persist only once we know the renderer is valid.
try { localStorage.setItem('vizSelection', id); } catch (_) {}
_installVizRenderer(renderer, id);
_syncVenueVizPlayerClass(id);
if (window.v3VenueScene3d && typeof window.v3VenueScene3d.syncViz === 'function') {
window.v3VenueScene3d.syncViz(id);
}
_maybeShowNotationViewHint(id);
}
// Auto mode: evaluate each registered viz factory's static
// `matchesArrangement(songInfo)` predicate and install the first
// matching renderer. No match → fall back to the built-in 2D highway.
//
// vizSelection stays 'auto' across invocations so the next song:ready
// re-evaluates. An explicit picker choice overrides Auto by persisting
// a different vizSelection.
//
// Enumerates viz plugins by walking the picker's own <option> list —
// that's the canonical set built by _populateVizPicker above and keeps
// us from needing a second module-level registry.
// Helper: update the closed-state label of the Auto option to show what was resolved.
// Resets to the base label when called with no argument (at evaluation start).
// _autoVizBaseLabel is captured from the DOM on first call so the reset text
// always matches the initial markup rather than a hardcoded duplicate.
let _autoVizBaseLabel = null;
function _setAutoVizLabel(resolvedText) {
const opt = document.querySelector('#viz-picker option[value="auto"]');
if (!opt) return;
if (_autoVizBaseLabel === null) _autoVizBaseLabel = opt.text;
opt.text = resolvedText != null ? `Auto \u2192 ${resolvedText}` : _autoVizBaseLabel;
}
// Holds a cleanup function for the pending viz:renderer:ready listener
// registered by _autoMatchViz(). Called at the start of each new evaluation
// to remove any listener left over from the previous match cycle.
let _cancelPendingAutoLabel = null;
// One-shot (per song) hint shown when a notation-only arrangement falls back
// to the built-in 2D highway. Such arrangements carry no wire notes
// (sloppak-spec §5.3: `file:` may be omitted when `notation:` is present), so
// the default renderer draws an empty board — without this the user is left
// staring at a silently blank highway. Core ships no notation view; point at
// the viz picker instead.
let _notationHintShownFor = null;
function _showNotationViewHint(arrangementIndex, activeVizId) {
const filename = (window.feedBack && window.feedBack.currentSong
&& window.feedBack.currentSong.filename) || '';
if (_notationHintShownFor === filename) return;
_notationHintShownFor = filename;
const player = document.getElementById('player');
if (!player) return;
const prev = document.getElementById('notation-view-hint');
if (prev) prev.remove();
const el = document.createElement('div');
el.id = 'notation-view-hint';
el.className = 'notation-view-hint';
el.dataset.filename = filename;
if (arrangementIndex != null) el.dataset.arrangementIndex = String(arrangementIndex);
if (activeVizId) el.dataset.vizId = String(activeVizId);
el.textContent = 'This arrangement is notation-only — the built-in highway has nothing to draw. '
+ 'Install a notation view plugin (e.g. Staff View or Keys Highway 3D) and select it in the visualization picker.';
const close = document.createElement('button');
close.className = 'notation-view-hint-close';
close.setAttribute('aria-label', 'Dismiss');
close.textContent = '×';
close.addEventListener('click', () => el.remove());
el.appendChild(close);
player.appendChild(el);
setTimeout(() => { el.remove(); }, 15000);
}
// Decide whether the active song needs the notation-view hint: the song is
// notation-only (has_notation + zero wire notes on the active arrangement)
// AND the given viz doesn't claim it via matchesArrangement. Covers both the
// Auto fallthrough (activeVizId='default') and explicit selections, where the
// renderer persists across songs — e.g. the fresh-install default highway_3d
// would otherwise show a silently empty 3D board on a notation-only song.
// Returns true when the hint was shown.
// A hint left over from a previous song refers to the wrong arrangement —
// drop it whenever the viz evaluation runs for a different filename, a
// different arrangement index, or a different active viz.
function _dropStaleNotationHint(activeVizId) {
const stale = document.getElementById('notation-view-hint');
if (!stale) return;
const curFilename = (window.feedBack && window.feedBack.currentSong
&& window.feedBack.currentSong.filename) || '';
if (stale.dataset.filename !== curFilename) { stale.remove(); return; }
const songInfo = (typeof highway !== 'undefined' && typeof highway.getSongInfo === 'function')
? (highway.getSongInfo() || {}) : {};
const curArrIdx = songInfo.arrangement_index != null ? String(songInfo.arrangement_index) : null;
if (curArrIdx !== null && stale.dataset.arrangementIndex !== undefined
&& stale.dataset.arrangementIndex !== curArrIdx) {
stale.remove(); return;
}
if (activeVizId && stale.dataset.vizId !== undefined && stale.dataset.vizId !== String(activeVizId)) {
stale.remove();
}
}
export function _maybeShowNotationViewHint(activeVizId) {
_dropStaleNotationHint(activeVizId);
const songInfo = (typeof highway !== 'undefined' && typeof highway.getSongInfo === 'function')
? (highway.getSongInfo() || {}) : {};
const activeArr = Array.isArray(songInfo.arrangements)
? songInfo.arrangements.find(a => a.index === songInfo.arrangement_index)
: null;
if (!(songInfo.has_notation && activeArr && activeArr.notes === 0)) {
// Condition no longer holds (arrangement switched to one with notes, or
// notation flag cleared) — remove any residual hint so it doesn't
// linger and contradict current state.
const existing = document.getElementById('notation-view-hint');
if (existing) existing.remove();
return false;
}
if (activeVizId && activeVizId !== 'default' && activeVizId !== 'auto') {
const factory = window['feedBackViz_' + activeVizId];
let claimed = false;
try {
claimed = typeof factory === 'function'
&& typeof factory.matchesArrangement === 'function'
&& !!factory.matchesArrangement(songInfo);
} catch (_) { /* predicate threw — treat as unclaimed */ }
if (claimed) {
// Renderer now claims notation — drop any existing hint.
const existing = document.getElementById('notation-view-hint');
if (existing) existing.remove();
return false;
}
}
_showNotationViewHint(songInfo.arrangement_index, activeVizId);
return true;
}
export function _autoMatchViz() {
const sel = document.getElementById('viz-picker');
if (!sel) return;
// Pass null here: sel.value is 'auto', which is never a valid viz-id hint
// key. Passing 'auto' would incorrectly drop hints whose data-viz-id is
// 'default' (the resolved renderer after a no-match pass), making the
// hint unshowable for the rest of the song. Drop using the resolved id
// happens later inside _installVizRenderer once the id is known.
_dropStaleNotationHint(null);
// Cancel any pending viz:renderer:ready listener from a previous match
// cycle. The song may change before the previous renderer's async init
// settles; we don't want that stale listener to clobber the new label.
if (_cancelPendingAutoLabel) { _cancelPendingAutoLabel(); _cancelPendingAutoLabel = null; }
// Reset label at evaluation start so a stale resolved label never persists
// if the song changes or the picker re-evaluates with a different outcome.
_setAutoVizLabel(null);
const songInfo = (typeof highway !== 'undefined' && typeof highway.getSongInfo === 'function')
? (highway.getSongInfo() || {}) : {};
// Only update the label when a real song is loaded. Before the first
// song_info frame, getSongInfo() returns {} — leaving the reset state
// ("Auto (match arrangement)") is correct; we haven't evaluated yet.
const hasSong = Object.keys(songInfo).length > 0;
// Options are stable in DOM order, which matches what users see in
// the picker. The underlying order comes from /api/plugins →
// _populateVizPicker, and /api/plugins reflects the order the
// plugin loader discovered plugins in — plugins/__init__.py walks
// `sorted(plugins_base_dir.iterdir())`, i.e. sorted by the on-disk
// PLUGIN DIRECTORY name (e.g. "feedBack-plugin-drums" sorts
// before "feedBack-plugin-piano"), not by the plugin id declared
// in plugin.json. Two consequences worth noting:
// 1. First match wins among registered viz plugins — keep each
// plugin's matchesArrangement predicate narrow to avoid
// stealing songs from more specialized viz.
// 2. If you need a strict priority when multiple plugins match
// the same song, name the higher-priority plugin's directory
// earlier alphabetically. The picker dropdown reveals the
// actual tiebreaker at a glance.
const candidateIds = Array.from(sel.options)
.map(o => o.value)
.filter(v => v !== 'auto' && v !== 'default');
for (const id of candidateIds) {
const factory = window['feedBackViz_' + id];
if (typeof factory !== 'function') continue;
// If the factory statically declares contextType='webgl2', gate on
// WebGL2 availability so a match never installs a renderer that'll
// fail at init. This is the generic version of the old hard-coded
// highway_3d check — any future WebGL2 viz gets the same protection
// for free without needing a special-case here.
const factoryCtxType = typeof factory.contextType === 'string' ? factory.contextType : '2d';
if (factoryCtxType === 'webgl2' && !_canRun3D()) continue;
const predicate = factory.matchesArrangement;
if (typeof predicate !== 'function') continue;
let matched = false;
try { matched = !!predicate(songInfo); }
catch (err) {
console.error(`viz auto: matchesArrangement for ${id} threw`, err);
continue;
}
if (!matched) continue;
let renderer;
try { renderer = factory(); }
catch (err) {
console.error(`viz auto: factory feedBackViz_${id} threw`, err);
continue;
}
if (!renderer || typeof renderer.draw !== 'function') {
console.error(`viz auto: factory feedBackViz_${id} returned an invalid renderer (missing draw)`);
continue;
}
// Deliberately NOT persisting id — vizSelection stays 'auto' so
// the next song:ready re-evaluates against the new arrangement.
//
// Register the viz:renderer:ready listener BEFORE setRenderer() so we
// don't miss the event for sync renderers (no readyPromise), which emit
// it immediately inside setRenderer(). The _onReady guard still checks
// sel.value so a sync init failure (viz:reverted → sel.value='default')
// that fires during setRenderer() is handled correctly — the listener
// fires but finds sel.value !== 'auto' and skips the label update.
if (hasSong) {
const matchedOpt = Array.from(sel.options).find(o => o.value === id);
const labelText = matchedOpt ? matchedOpt.text : id;
function _onReady() { if (sel.value === 'auto') _setAutoVizLabel(labelText); }
window.feedBack.on('viz:renderer:ready', _onReady, { once: true });
_cancelPendingAutoLabel = () => window.feedBack.off('viz:renderer:ready', _onReady);
}
_installVizRenderer(renderer, id, 'auto-match');
_noteVizAutoMatch(id, true);
return;
}
// No match — restore the built-in 2D highway. setRenderer(null) is
// a no-op when the default is already active. If the previous Auto
// pick was a WebGL renderer, highway.setRenderer() handles the
// context-type change by replacing the canvas element (cloneNode +
// replaceWith) so the default 2D renderer's getContext('2d') always
// succeeds — no canvas-lock limitation here.
highway.setRenderer(null);
_notifyVizDomain('default', 'auto-match');
_noteVizAutoMatch('default', false);
// Update the label so the user can see Auto resolved to the built-in
// highway. Read from the DOM rather than hard-coding the name so a
// future rename of the default entry is automatically reflected.
if (hasSong) {
const defaultOpt = Array.from(sel.options).find(o => o.value === 'default');
// Notation-only arrangement falling through to the default renderer:
// there are no wire notes, so the board would be silently empty.
// Flag it in the Auto label and show the one-shot install hint.
if (_maybeShowNotationViewHint('default')) {
_setAutoVizLabel('no notation view installed');
} else {
_setAutoVizLabel(defaultOpt ? defaultOpt.text : null);
}
}
}
// ── viz:reverted ────────────────────────────────────────────────────────
// Lifted out of a top-level listener block in app.js that it shared with the
// non-viz song:loaded / arrangement:changed / song:ready handlers (those stay).
//
// It has to move WITH the state: it REASSIGNS `_cancelPendingAutoLabel`, and an
// imported binding is read-only — `_cancelPendingAutoLabel = null` would throw if
// this listener stayed behind in app.js. Same guard as the block it came from.
if (window.feedBack && typeof window.feedBack.on === 'function') {
// Highway signals when it's auto-reverted to the default renderer
// after a broken plugin (init failure or repeated draw failures).
// Sync the picker + persisted selection so the UI stops advertising
// the broken choice and the user doesn't hit the same failure on
// next reload.
window.feedBack.on('viz:reverted', (e) => {
const sel = document.getElementById('viz-picker');
if (sel) sel.value = 'default';
// Cancel any pending viz:renderer:ready label listener — the renderer
// that was queued never became (or stayed) active.
if (_cancelPendingAutoLabel) { _cancelPendingAutoLabel(); _cancelPendingAutoLabel = null; }
// Clear any Auto-resolved label — the renderer that was advertised
// never became (or stayed) active.
_setAutoVizLabel(null);
try { localStorage.setItem('vizSelection', 'default'); } catch (_) {}
console.warn(
`viz picker: reverted to default renderer (${e.detail?.reason || 'unknown'}).`
);
});
}
+4 -4
View File
@@ -4,7 +4,7 @@ const fs = require('node:fs');
const path = require('node:path');
const ROOT = path.join(__dirname, '..', '..');
const PLUGIN_LOADER_JS = path.join(ROOT, 'static', 'js', 'plugin-loader.js');
const APP_JS = path.join(ROOT, 'static', 'app.js');
const MANIFEST = path.join(ROOT, 'plugins', 'capability_inspector', 'plugin.json');
const SCREEN_HTML = path.join(ROOT, 'plugins', 'capability_inspector', 'screen.html');
const SETTINGS_HTML = path.join(ROOT, 'plugins', 'capability_inspector', 'settings.html');
@@ -28,7 +28,7 @@ test('capability inspector manifest ships settings but no default nav entry', ()
});
test('capability inspector plugins menu entry is localStorage opt-in', () => {
const src = source(PLUGIN_LOADER_JS);
const src = source(APP_JS);
const helper = region(src, "const CAPABILITY_INSPECTOR_NAV_SETTING = 'capability_inspector.showInPluginsMenu'", 1400);
const menu = region(src, 'const navPlugins = plugins.map', 1000);
const contributions = region(src, 'async function _registerLegacyPluginUiContributions(plugin)', 1400);
@@ -106,7 +106,7 @@ test('capability inspector screen ships scoped graph lane CSS', () => {
assert.match(html, /left: -1\.75rem/);
});
test('_navLabel resolves string, object, synthesized, and empty nav values', () => {
const src = source(PLUGIN_LOADER_JS);
const src = source(APP_JS);
const m = src.match(/function _navLabel\(nav, plugin\) \{[\s\S]*?\n\}/);
assert.ok(m, 'could not extract _navLabel from app.js');
const _navLabel = new Function(`${m[0]}; return _navLabel;`)();
@@ -123,7 +123,7 @@ test('_navLabel resolves string, object, synthesized, and empty nav values', ()
});
test('plugin nav dropdown label uses the computed nav, not the raw plugin.nav', () => {
const src = source(PLUGIN_LOADER_JS);
const src = source(APP_JS);
// Regression guard for the string/synthesized-nav label fix: the dropdown
// label must derive from the loop's computed nav via _navLabel, not from
// plugin.nav?.label (which drops string and synthesized labels).
+1 -3
View File
@@ -8,9 +8,7 @@ const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
// The highway string-colour manager was carved out of app.js into its own
// module (R3a).
const appJs = path.join(__dirname, '..', '..', 'static', 'js', 'highway-colors.js');
const appJs = path.join(__dirname, '..', '..', 'static', 'app.js');
function extractBlock(src, signature) {
const start = src.indexOf(signature);
+2 -4
View File
@@ -13,9 +13,7 @@ const path = require('node:path');
const highwayJs = path.join(__dirname, '..', '..', 'static', 'highway.js');
const highway3dJs = path.join(__dirname, '..', '..', 'plugins', 'highway_3d', 'screen.js');
// The highway string-colour manager was carved out of app.js into its own
// module (R3a).
const appJs = path.join(__dirname, '..', '..', 'static', 'js', 'highway-colors.js');
const appJs = path.join(__dirname, '..', '..', 'static', 'app.js');
// Brace-balanced extraction (same helper shape as highway_note_state.test.js).
function extractBlock(src, signature) {
@@ -88,7 +86,7 @@ test('3D gem-body gradients follow the active palette (not hardcoded)', () => {
assert.match(apply, /_recolorGemGradients\(\)/, '_applyPaletteToMaterials must recolor gems on palette change');
});
// ── Core color manager (static/js/highway-colors.js) ──────────────────────
// ── Core color manager (static/app.js) ────────────────────────────────────
test('app.js color manager name-maps to both highways, with identity no-op + builtin guard', () => {
const src = fs.readFileSync(appJs, 'utf8');
-113
View File
@@ -1,113 +0,0 @@
// The host-seam contract: the hooks the modules USE must be exactly the hooks
// app.js WIRES.
//
// This is the test that makes the seam safe. static/js/host.js already throws at
// runtime when an unwired hook is read — but a runtime throw only fires if the
// broken path actually executes, and the entire danger of a host seam is the paths
// that DON'T run in a smoke test. That is not hypothetical: the plugin loader's
// seam defaulted a hook to `() => {}`, and a dropped wiring line would have left
// the viz picker silently not refreshing with no test, boot check, or bot noticing.
//
// So this closes it statically. Rename a hook in app.js, drop a line from the
// configureHost({…}) call, or typo a `host.foo` in a module, and CI fails — on a
// path nobody ever ran.
//
// It is deliberately symmetric:
// * used but not wired -> a latent crash (host.js would throw at runtime)
// * wired but not used -> dead weight, and usually the fossil of a rename
// Both fail.
const { test } = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
const ROOT = path.join(__dirname, '..', '..');
const APP_JS = path.join(ROOT, 'static', 'app.js');
const JS_DIR = path.join(ROOT, 'static', 'js');
// Strip comments, so prose about `host.foo` in a header block is not read as a call
// site.
//
// NOTHING ELSE. An earlier version also tried to strip import statements (to stop
// `from './host.js'` reading as a hook called `js`) and its `[\s\S]*?` spanned lines
// and silently ate 14,000 characters of the file — including, in the bite test, the
// very drift it was supposed to catch. A guard with a hole in it is worse than no
// guard, because you trust it. The `host.js` path is excluded far more cheaply,
// below, by refusing a match followed by a quote.
function scrub(src) {
return src
.replace(/\/\*[\s\S]*?\*\//g, '')
.replace(/^\s*\/\/[^\n]*$/gm, '');
}
// `host.<name>` — but not `host.js'` from the `from './host.js'` import path, which is
// the one string in these files that looks like a hook and isn't.
//
// The trailing class must forbid a WORD character as well as a quote. With only
// `(?!['"])`, `host.js'` fails on `js` (a quote follows), then BACKTRACKS to `j` —
// where the next char is `s`, not a quote — and happily reports a hook called `j`.
// Forbidding `[\w$]` too leaves it nowhere to backtrack to.
const HOOK_RE = /(?<![\w$.])host\.([A-Za-z_$][\w$]*)(?![\w$'"])/g;
/** Every `host.<name>` referenced by a carved module. */
function hooksUsed() {
const used = new Map(); // name -> [files]
for (const file of fs.readdirSync(JS_DIR)) {
if (!file.endsWith('.js') || file === 'host.js') continue;
const raw = fs.readFileSync(path.join(JS_DIR, file), 'utf8');
if (!/from\s+'\.\/host\.js'/.test(raw)) continue;
for (const m of scrub(raw).matchAll(HOOK_RE)) {
if (!used.has(m[1])) used.set(m[1], []);
used.get(m[1]).push(file);
}
}
return used;
}
/** Every hook app.js passes to configureHost({ … }). */
function hooksWired() {
const src = scrub(fs.readFileSync(APP_JS, 'utf8'));
// NB the closing brace is INDENTED (the call sits inside the boot function), so
// anchoring on `\n});` at column 0 runs straight past it and swallows the next
// object literal in the file — which is how this first read 77 "hooks", most of
// them app.js's window contract.
const call = src.match(/configureHost\(\{([\s\S]*?)\n\s*\}\);/);
if (!call) return null; // no seam wired yet — fine until there is one
const wired = new Set();
for (const m of call[1].matchAll(/(?:^|,)\s*([A-Za-z_$][\w$]*)\s*(?=[,:}]|$)/gm)) {
wired.add(m[1]);
}
return wired;
}
test('every host.<hook> a module uses is wired by app.js', () => {
const used = hooksUsed();
if (used.size === 0) return; // no consumers yet
const wired = hooksWired();
assert.ok(wired, 'modules import ./host.js but app.js never calls configureHost({ … })');
const missing = [...used.keys()]
.filter((h) => !wired.has(h))
.map((h) => `${h} (used in ${used.get(h).join(', ')})`);
assert.deepEqual(
missing, [],
'these hooks are read by a module but never wired by app.js — they would throw at runtime, '
+ 'on whatever path happens to reach them',
);
});
test('every hook app.js wires is actually used by a module', () => {
const wired = hooksWired();
if (!wired || wired.size === 0) return;
const used = hooksUsed();
const unused = [...wired].filter((h) => !used.has(h));
assert.deepEqual(
unused, [],
'these hooks are wired by app.js but no module reads them — dead weight, and usually '
+ 'the fossil of a rename that left the other half behind',
);
});
+1 -5
View File
@@ -84,11 +84,7 @@ function makeSandbox({ isAudioRunning, loadBackingTrack, outputType = 'Windows A
json: () => Promise.resolve({ path: '/local/song.ogg' }),
}),
document: { hidden: false },
// `isPlaying` moved onto the shared player-state container so a carved module
// can WRITE it (an imported binding is read-only). The sliced code now reads and
// writes S.isPlaying, so the sandbox provides the same container — the
// assertions below are unchanged.
S: { isPlaying: true, lastAudioTime: 0 },
isPlaying: true,
audio,
jucePlayer,
__calls: calls,
+2 -7
View File
@@ -71,11 +71,6 @@ test('native audio-mix participant suppresses matching legacy fader and records
const ROOT = path.join(__dirname, '..', '..');
const APP_JS = path.join(ROOT, 'static', 'app.js');
// The plugin loader was carved out of app.js into its own module (R3a); the
// library-provider code below still lives in app.js.
const PLUGIN_LOADER_JS = path.join(ROOT, 'static', 'js', 'plugin-loader.js');
// The viz layer was carved out of app.js too (R3a).
const VIZ_JS = path.join(ROOT, 'static', 'js', 'viz.js');
const LIBRARY_JS = path.join(ROOT, 'static', 'capabilities', 'library.js');
function source(file) {
@@ -92,7 +87,7 @@ function region(src, needle, length = 1200) {
}
test('plugin script hydration exposes the current plugin id for legacy registrations', () => {
const src = source(PLUGIN_LOADER_JS);
const src = source(APP_JS);
const block = region(src, 'script.src = `/api/plugins/${plugin.id}/screen.js');
assert.match(block, /window\.feedBack\._loadingPluginId\s*=\s*plugin\.id/);
assert.match(block, /delete\s+window\.feedBack\._loadingPluginId/);
@@ -118,7 +113,7 @@ test('library providers route through native library capability', () => {
});
test('visualization renderer installs preserve plugin attribution', () => {
const src = source(VIZ_JS);
const src = source(APP_JS);
const tagger = region(src, 'function _tagVizRenderer(renderer, id)', 700);
const setViz = region(src, 'function setViz(id)', 3600);
const autoViz = region(src, 'function _autoMatchViz()', 5200);
+12 -44
View File
@@ -11,16 +11,11 @@ const fs = require('node:fs');
const path = require('node:path');
const vm = require('node:vm');
// The A-B loop was carved out of app.js into its own module (R3a). The
// window.feedBack API surface it is published through stayed in app.js.
const LOOPS_JS = path.join(__dirname, '..', '..', 'static', 'js', 'loops.js');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
function extractFunction(rawSrc, signature) {
// loops.js is an ES module; the vm sandbox evaluates plain script text.
const src = rawSrc.replace(/^export /gm, '');
function extractFunction(src, signature) {
const start = src.indexOf(signature);
if (start === -1) throw new Error(`extractFunction: '${signature}' not found in static/js/loops.js`);
if (start === -1) throw new Error(`extractFunction: '${signature}' not found in app.js`);
let scan = start + signature.length;
if (src[scan] === '(') {
let parenDepth = 1;
@@ -49,18 +44,10 @@ function buildSandbox() {
const seekCalls = [];
const sectionPracticeModeCalls = [];
const transportEvents = [];
// clearLoop() used to zero section-practice's three selection scalars by hand.
// They now live in static/js/section-practice.js, which owns them, so clearLoop
// calls its exported resetSelection() instead. This is a SPY, not a stub — the
// test below still asserts the reset happens, it just asserts it through the
// seam rather than by reaching into someone else's state.
const resetSelectionCalls = [];
const sandbox = {
seekCalls,
sectionPracticeModeCalls,
transportEvents,
resetSelectionCalls,
resetSelection: () => resetSelectionCalls.push(true),
// Mutable state (declared as `var` in eval prelude so it lives on
// the sandbox global and the extracted functions can read/write).
// The actual values are set below.
@@ -94,7 +81,6 @@ function buildSandbox() {
// updateLoopUI references formatTime for the label; we don't
// assert on the label text in these tests, so a stub is enough.
formatTime: (s) => String(s),
_updateEditRegionBtn: () => {},
window: {
feedBack: {
playback: {
@@ -103,19 +89,6 @@ function buildSandbox() {
},
},
};
// The loop module reaches back into app.js through the host seam
// (static/js/host.js), so the extracted bodies call host._audioSeek(),
// host._audioTime(), and so on. Point the seam at the SAME spies the sandbox
// already had: the assertions below are unchanged, they just travel through the
// indirection the real code now uses.
sandbox.host = {
_audioSeek: (...a) => sandbox._audioSeek(...a),
_audioTime: () => sandbox._audioTime(),
formatTime: (...a) => sandbox.formatTime(...a),
_updateEditRegionBtn: () => sandbox._updateEditRegionBtn(),
currentFilename: () => 'test-song.sloppak',
startCountIn: () => {},
};
vm.createContext(sandbox);
return sandbox;
}
@@ -148,7 +121,7 @@ function loadFunctions(sandbox, src) {
}
test('setLoop mutates loopA/loopB and seeks to A', async () => {
const src = fs.readFileSync(LOOPS_JS, 'utf8');
const src = fs.readFileSync(APP_JS, 'utf8');
const sandbox = buildSandbox();
loadFunctions(sandbox, src);
@@ -164,7 +137,7 @@ test('setLoop mutates loopA/loopB and seeks to A', async () => {
test('setLoop returns false and leaves loopA/loopB untouched on cancelled seek', async () => {
// Plugin-facing contract: cancelled seek (teardown gen bump) returns
// false; the loop is NOT armed.
const src = fs.readFileSync(LOOPS_JS, 'utf8');
const src = fs.readFileSync(APP_JS, 'utf8');
const sandbox = buildSandbox();
sandbox._audioSeek = () => Promise.resolve({ completed: false, from: NaN, to: NaN });
loadFunctions(sandbox, src);
@@ -181,7 +154,7 @@ test('setLoop returns false and leaves loopA/loopB untouched on cancelled seek',
test('setLoop returns false and leaves loopA/loopB untouched on off-target landing', async () => {
// JUCE rollback / HTML5 clamp: completed:true but to drifts > 50ms
// from the requested a. The loop is NOT armed.
const src = fs.readFileSync(LOOPS_JS, 'utf8');
const src = fs.readFileSync(APP_JS, 'utf8');
const sandbox = buildSandbox();
sandbox._audioSeek = (s) => Promise.resolve({ completed: true, from: 0, to: s + 0.5 });
loadFunctions(sandbox, src);
@@ -199,7 +172,7 @@ test('setLoop coerces string inputs (parseFloat-style)', async () => {
// loadSavedLoop passes parseFloat(dataset.start) — but the dataset
// values may already be strings. Number() coercion in setLoop must
// accept finite numeric strings.
const src = fs.readFileSync(LOOPS_JS, 'utf8');
const src = fs.readFileSync(APP_JS, 'utf8');
const sandbox = buildSandbox();
loadFunctions(sandbox, src);
@@ -210,7 +183,7 @@ test('setLoop coerces string inputs (parseFloat-style)', async () => {
});
test('setLoop rejects non-finite inputs', async () => {
const src = fs.readFileSync(LOOPS_JS, 'utf8');
const src = fs.readFileSync(APP_JS, 'utf8');
const sandbox = buildSandbox();
loadFunctions(sandbox, src);
@@ -220,7 +193,7 @@ test('setLoop rejects non-finite inputs', async () => {
});
test('setLoop rejects b <= a', async () => {
const src = fs.readFileSync(LOOPS_JS, 'utf8');
const src = fs.readFileSync(APP_JS, 'utf8');
const sandbox = buildSandbox();
loadFunctions(sandbox, src);
@@ -228,8 +201,8 @@ test('setLoop rejects b <= a', async () => {
await assert.rejects(() => sandbox.__setLoop(10, 5), /b > a/);
});
test('clearLoop resets loopA/loopB to null (and asks section-practice to drop its selection)', async () => {
const src = fs.readFileSync(LOOPS_JS, 'utf8');
test('clearLoop resets loopA/loopB to null', async () => {
const src = fs.readFileSync(APP_JS, 'utf8');
const sandbox = buildSandbox();
loadFunctions(sandbox, src);
@@ -238,11 +211,6 @@ test('clearLoop resets loopA/loopB to null (and asks section-practice to drop it
const { loopA, loopB } = sandbox.__getLoop();
assert.equal(loopA, null);
assert.equal(loopB, null);
assert.equal(
sandbox.resetSelectionCalls.length, 1,
'clearLoop must ask section-practice to drop its selection (it used to zero the '
+ 'scalars by hand; the module owns them now)',
);
assert.equal(sandbox.sectionPracticeModeCalls.length, 1);
assert.equal(sandbox.sectionPracticeModeCalls[0].on, false);
// Field-wise: vm-context objects break deepStrictEqual across realms.
@@ -250,7 +218,7 @@ test('clearLoop resets loopA/loopB to null (and asks section-practice to drop it
});
test('loop helpers emit transport snapshots by default and can suppress adapter echoes', async () => {
const src = fs.readFileSync(LOOPS_JS, 'utf8');
const src = fs.readFileSync(APP_JS, 'utf8');
const sandbox = buildSandbox();
loadFunctions(sandbox, src);
@@ -288,7 +256,7 @@ test('loadSavedLoop funnels through setLoop (no duplicated UI mutation)', () =>
// re-implementing the loopA/loopB assignment. Catches a future drift
// where someone "fixes" loadSavedLoop and forgets to keep setLoop in
// sync.
const src = fs.readFileSync(LOOPS_JS, 'utf8');
const src = fs.readFileSync(APP_JS, 'utf8');
const fn = extractFunction(src, 'async function loadSavedLoop(');
assert.match(fn, /await\s+setLoop\(/, 'loadSavedLoop must call setLoop');
// The pre-refactor body assigned loopA = parseFloat(...) directly;
+11 -23
View File
@@ -14,8 +14,7 @@ const fs = require('node:fs');
const path = require('node:path');
const vm = require('node:vm');
// startCountIn was carved out of app.js into its own module (R3a).
const APP_JS = path.join(__dirname, '..', '..', 'static', 'js', 'count-in.js');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
// Pull a function body by declaration prefix (e.g. `async function startCountIn`)
// and brace-matching to the closing brace. Skips an optional `( ... )` param
@@ -56,10 +55,8 @@ function buildSandbox() {
loopA: 10,
loopB: 20,
_countingIn: false,
// isPlaying / lastAudioTime moved onto the shared player-state container
// (static/js/player-state.js) so a carved module can WRITE them — an imported
// binding is read-only. Same values, same assertions, one indirection.
S: { isPlaying: false, lastAudioTime: 0 },
isPlaying: false,
lastAudioTime: 0,
// Browser-ish globals.
performance: { now: () => Date.now() },
@@ -112,23 +109,12 @@ function buildSandbox() {
__emitCalls: emitCalls,
queueMicrotask,
};
// startCountIn was carved into static/js/count-in.js and now reaches back into
// app.js through the host seam (static/js/host.js). Point the seam at the SAME
// stubs the sandbox already had: the assertions below are unchanged, they just
// travel through the indirection the real code now uses.
sandbox.host = {
_audioSeek: (...a) => sandbox._audioSeek(...a),
setPlayButtonState: () => {},
_songEventPayload: () => ({}),
togglePlay: () => {},
jucePlayer: () => sandbox.jucePlayer,
};
vm.createContext(sandbox);
return sandbox;
}
test('loop:restart fires once when wrap path runs', async () => {
const src = fs.readFileSync(APP_JS, 'utf8').replace(/^export /gm, '');
const src = fs.readFileSync(APP_JS, 'utf8');
const startCountInSrc = extractFunction(src, 'async function startCountIn');
// Sanity check: the change under test is present at all. Catches
@@ -149,7 +135,8 @@ test('loop:restart fires once when wrap path runs', async () => {
var _countInGen = 0;
var _countInTimer = null;
var _countInRaf = 0;
var S = { isPlaying: false, lastAudioTime: 0 };
var isPlaying = false;
var lastAudioTime = 0;
${startCountInSrc}
globalThis.__startCountIn = startCountIn;
`;
@@ -179,7 +166,7 @@ test('loop:restart aborts when seek lands far from loopA (JUCE rollback)', async
// _audioSeek resolves with completed:true but r.to !== loopA. The
// wrap handler must abort instead of running beginCount on the wrong
// position and emitting a misleading loop:restart.
const src = fs.readFileSync(APP_JS, 'utf8').replace(/^export /gm, '');
const src = fs.readFileSync(APP_JS, 'utf8');
const startCountInSrc = extractFunction(src, 'async function startCountIn');
const sandbox = buildSandbox();
@@ -193,7 +180,8 @@ test('loop:restart aborts when seek lands far from loopA (JUCE rollback)', async
var _countInGen = 0;
var _countInTimer = null;
var _countInRaf = 0;
var S = { isPlaying: false, lastAudioTime: 0 };
var isPlaying = false;
var lastAudioTime = 0;
${startCountInSrc}
globalThis.__startCountIn = startCountIn;
globalThis.__getCountingIn = () => _countingIn;
@@ -214,7 +202,7 @@ test('count-in cancellation token bails delayed callbacks (rewindStep + tick)',
// teardown can interrupt an in-flight count-in. Behavioral simulation
// of timer cancellation is out of scope for the static extractor; this
// verifies the contract is wired into the source.
const src = fs.readFileSync(APP_JS, 'utf8').replace(/^export /gm, '');
const src = fs.readFileSync(APP_JS, 'utf8');
const fn = extractFunction(src, 'async function startCountIn');
// Captures gen at entry
assert.match(fn, /const gen = _countInGen/, 'startCountIn must capture _countInGen at entry');
@@ -230,7 +218,7 @@ test('loop:restart fires after highway.setTime, before beginCount', () => {
// Source-order assertion on the A-B wrap path only. Section-practice
// `opts.immediate` also emits loop:restart but is a separate entry path;
// the wrap handler lives inside the `_audioSeek(loopA, 'loop-wrap')` then.
const src = fs.readFileSync(APP_JS, 'utf8').replace(/^export /gm, '');
const src = fs.readFileSync(APP_JS, 'utf8');
const fn = extractFunction(src, 'async function startCountIn');
const wrapMarker = "_audioSeek(loopA, 'loop-wrap')";
const wrapStart = fn.indexOf(wrapMarker);
+3 -6
View File
@@ -29,11 +29,8 @@ async function runTogglePlayRejecting({ rerouteInProgress }) {
const buttonStates = [];
const sandbox = {
console: { log() {}, warn() {}, error() {} },
// not-playing -> togglePlay takes the HTML5 play branch.
// isPlaying / lastAudioTime moved onto the shared player-state container
// (static/js/player-state.js) so a carved module can WRITE them — an imported
// binding is read-only. Same values, same assertions, one indirection.
S: { isPlaying: false, lastAudioTime: 0 },
// not-playing -> togglePlay takes the HTML5 play branch
isPlaying: false,
_audioSeekGen: 0,
_playAttemptGen: 0,
setPlayButtonState(v) { buttonStates.push(v); },
@@ -54,7 +51,7 @@ async function runTogglePlayRejecting({ rerouteInProgress }) {
vm.createContext(sandbox);
vm.runInContext(TOGGLE_PLAY_SRC, sandbox, { filename: 'app.js#togglePlay' });
await vm.runInContext('togglePlay()', sandbox);
return { buttonStates, isPlaying: sandbox.S.isPlaying };
return { buttonStates, isPlaying: sandbox.isPlaying };
}
test('reroute-aborted play() leaves the button on Pause (isPlaying stays true)', async () => {
+1 -4
View File
@@ -84,8 +84,5 @@ test('playback adapter suppresses duplicate HTML5 pause events before emitting c
const src = fs.readFileSync(APP_JS, 'utf8');
const fn = extractFunction(src, 'function _installPlaybackTransportAdapter()');
// isPlaying moved onto the shared player-state container so a carved module can
// WRITE it (an imported binding is read-only). window.feedBack.isPlaying — the
// public mirror — is unchanged.
assert.match(fn, /if \(!window\._juceMode && wasPlaying\) \{\s*S\.isPlaying = false;\s*window\.feedBack\.isPlaying = false;\s*audio\.pause\(\);\s*_markPlaybackPaused\(\);\s*\}/);
assert.match(fn, /if \(!window\._juceMode && wasPlaying\) \{\s*isPlaying = false;\s*window\.feedBack\.isPlaying = false;\s*audio\.pause\(\);\s*_markPlaybackPaused\(\);\s*\}/);
});
+3 -3
View File
@@ -1,4 +1,4 @@
// Verify loadPlugins' plugin-DOM wipe loops in static/js/plugin-loader.js: a plugin that is
// Verify loadPlugins' plugin-DOM wipe loops in static/app.js: a plugin that is
// merely ABSENT from the current /api/plugins response (transient partial
// response while the backend's plugin registry is repopulating after a
// restart) must keep its settings panel and screen DOM. Wiping it while its
@@ -14,7 +14,7 @@ const fs = require('node:fs');
const path = require('node:path');
const vm = require('node:vm');
const PLUGIN_LOADER_JS = path.join(__dirname, '..', '..', 'static', 'js', 'plugin-loader.js');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
// Slice the wipe block out of loadPlugins by its stable landmarks: from the
// nav reset that opens it to the comment introducing the next section.
@@ -40,7 +40,7 @@ function makeEl(pluginId, id) {
}
function runWipe({ respondedIds, alreadyHydrated, settingsChildren, screens }) {
const src = fs.readFileSync(PLUGIN_LOADER_JS, 'utf8');
const src = fs.readFileSync(APP_JS, 'utf8');
const block = extractWipeBlock(src);
settingsChildren.forEach((el) => { el._parent = settingsChildren; });
const container = { children: settingsChildren };
+3 -3
View File
@@ -1,4 +1,4 @@
// Guards the R0 module-migration loader change in static/js/plugin-loader.js: a migrated
// Guards the R0 module-migration loader change in static/app.js: a migrated
// plugin (manifest scriptType:"module", surfaced as plugin.script_type) must be
// injected as <script type="module"> so its screen.js `import './src/main.js'`
// graph loads, while classic plugins stay untouched.
@@ -16,8 +16,8 @@ const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
const PLUGIN_LOADER_JS = path.join(__dirname, '..', '..', 'static', 'js', 'plugin-loader.js');
const src = fs.readFileSync(PLUGIN_LOADER_JS, 'utf8');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
const src = fs.readFileSync(APP_JS, 'utf8');
// Isolate the screen.js <script> injection block: from where its src is built
// to where the element is appended.
+3 -3
View File
@@ -1,4 +1,4 @@
// Verify the plugin `styles` capability in static/js/plugin-loader.js: _injectPluginStyles
// Verify the plugin `styles` capability in static/app.js: _injectPluginStyles
// adds exactly one versioned <link rel="stylesheet"> per plugin, swaps it on a
// version upgrade (no duplicates, no stale tags), injects nothing for a plugin
// without `styles`, and routes the URL through the sandboxed asset endpoint.
@@ -9,7 +9,7 @@ const fs = require('node:fs');
const path = require('node:path');
const vm = require('node:vm');
const PLUGIN_LOADER_JS = path.join(__dirname, '..', '..', 'static', 'js', 'plugin-loader.js');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
// Brace-balanced extraction of a `const NAME = (...) => { ... }` arrow, so a
// nested object/template literal can't make a naive regex stop early.
@@ -84,7 +84,7 @@ function setupSandbox() {
},
};
vm.createContext(sandbox);
const src = fs.readFileSync(PLUGIN_LOADER_JS, 'utf8');
const src = fs.readFileSync(APP_JS, 'utf8');
const removeSrc = extractConstArrow(src, '_removePluginStyleTags');
const injectSrc = extractConstArrow(src, '_injectPluginStyles');
const reconcileSrc = extractConstArrow(src, '_reconcilePluginStyles');
+2 -3
View File
@@ -15,10 +15,9 @@ const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
// _installSectionPracticeDismiss was carved out of app.js into its own module (R3a).
const src = fs.readFileSync(path.join(__dirname, '..', '..', 'static', 'js', 'section-practice.js'), 'utf8');
const src = fs.readFileSync(path.join(__dirname, '..', '..', 'static', 'app.js'), 'utf8');
const m = src.match(/function _installSectionPracticeDismiss\s*\(\)\s*\{[\s\S]*?\n\}/);
assert.ok(m, '_installSectionPracticeDismiss() not found in static/js/section-practice.js');
assert.ok(m, '_installSectionPracticeDismiss() not found in static/app.js');
const body = m[0];
test('the outside-click dismiss binds in the CAPTURE phase', () => {
+2 -3
View File
@@ -14,9 +14,8 @@ const vm = require('node:vm');
const { extractFunction } = require('./test_utils');
// the song-credits overlay was carved out of app.js into its own module (R3a).
const APP_JS = path.join(__dirname, '..', '..', 'static', 'js', 'count-in.js');
const SRC = fs.readFileSync(APP_JS, 'utf8').replace(/^export /gm, '');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
const SRC = fs.readFileSync(APP_JS, 'utf8');
// Minimal fake DOM element: records className, children, and textContent.
// Setting textContent clears children (matching real DOM) so we can assert
+3 -5
View File
@@ -19,9 +19,7 @@ function buildSandbox({ loopA = null, loopB = null, isPlaying = false } = {}) {
const sandbox = {
loopA,
loopB,
// isPlaying moved onto the shared player-state container so a carved module can
// WRITE it (an imported binding is read-only). Same value, same assertions.
S: { isPlaying, lastAudioTime: 0 },
isPlaying,
__cancelCountInCalls: 0,
__seekCalls: [],
__startCountInCalls: [],
@@ -44,7 +42,7 @@ function buildSandbox({ loopA = null, loopB = null, isPlaying = false } = {}) {
},
__togglePlay() {
sandbox.__togglePlayCalls++;
sandbox.S.isPlaying = true;
sandbox.isPlaying = true;
return Promise.resolve();
},
};
@@ -55,7 +53,7 @@ function buildSandbox({ loopA = null, loopB = null, isPlaying = false } = {}) {
function loadRestart(sandbox, src, { audioSeekImpl } = {}) {
const restartSrc = extractFunction(src, 'async function restartCurrentSong(');
const code = `
var S = { isPlaying: ${sandbox.S.isPlaying}, lastAudioTime: 0 };
var isPlaying = ${sandbox.isPlaying};
function _cancelCountIn() { __cancelCountInCalls++; }
async function _audioSeek(s, reason) {
return (${audioSeekImpl || '__audioSeek'})(s, reason);
+1 -4
View File
@@ -77,10 +77,7 @@ function loadFunctions(sandbox, src) {
// _audioSeek now syncs the jump-fix tracker so far seeks don't
// trigger an immediate revert; declare it here so the sandbox
// assignment lands on a real binding rather than an implicit global.
// lastAudioTime moved onto the shared player-state container
// (static/js/player-state.js) so a carved module can WRITE it — an imported
// binding is read-only. The sliced code writes S.lastAudioTime now.
let S = { isPlaying: false, lastAudioTime: 0 };
let lastAudioTime = 0;
// _audioSeek wraps jucePlayer.seek in a timeout race; pull in the
// helper + constant. Tests can override jucePlayer.seek to vary
// behavior; the timeout (2 s) is well above any test setTimeout.
+1 -4
View File
@@ -143,10 +143,7 @@ function loadPlaySong(sandbox) {
: '';
const code = `
var artAbortController = null;
// isPlaying moved onto the shared player-state container so a carved module can
// WRITE it (an imported binding is read-only). NB window.feedBack.isPlaying — the
// public mirror stubbed above — is a different thing and is unchanged.
var S = { isPlaying: true, lastAudioTime: 0 };
var isPlaying = true;
var currentFilename = null;
var _playerOriginScreen = null;
var _pendingAutostart = false;
+6 -9
View File
@@ -7,23 +7,20 @@ const path = require('node:path');
const vm = require('node:vm');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
// The tuning-display helpers were carved out of app.js into their own module (R3a);
// the autoplay-gate test below still reads app.js.
const TUNING_JS = path.join(__dirname, '..', '..', 'static', 'js', 'tuning-display.js');
const TUNER_SCREEN_JS = path.join(__dirname, '..', '..', 'plugins', 'tuner', 'screen.js');
const TUNING_UTILS_JS = path.join(__dirname, '..', '..', 'plugins', 'tuner', 'utils', 'tuning-utils.js');
const TUNER_UI_JS = path.join(__dirname, '..', '..', 'plugins', 'tuner', 'utils', 'ui.js');
function loadTuningHelpers() {
const src = fs.readFileSync(TUNING_JS, 'utf8');
// The module is nothing BUT the tuning helpers now, so there is no block to
// slice out — take it whole. `export` is stripped so the vm sandbox can still
// evaluate it as a plain script (the window.* contract lives in app.js).
const body = src.replace(/^export /gm, '');
const src = fs.readFileSync(APP_JS, 'utf8');
const start = src.indexOf('function isBassArrangement(');
const endMarker = 'window.feedBack.parseRawTuningOffsets = parseRawTuningOffsets;';
const end = src.indexOf(endMarker);
if (start === -1 || end === -1) throw new Error('tuning helper block not found in app.js');
const sandbox = { window: { feedBack: {} }, exports: {} };
vm.createContext(sandbox);
vm.runInContext(
body,
src.slice(start, end + endMarker.length),
sandbox
);
return sandbox.window.feedBack;
+1 -2
View File
@@ -6,8 +6,7 @@ const fs = require('node:fs');
const path = require('node:path');
const vm = require('node:vm');
// The tuning-display helpers were carved out of app.js into their own module (R3a).
const APP_JS = path.join(__dirname, '..', '..', 'static', 'js', 'tuning-display.js');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
const HIGHWAY_JS = path.join(__dirname, '..', '..', 'static', 'highway.js');
const V3_HTML = path.join(__dirname, '..', '..', 'static', 'v3', 'index.html');
+6 -7
View File
@@ -6,8 +6,7 @@ const fs = require('node:fs');
const path = require('node:path');
const vm = require('node:vm');
// The tuning-display helpers were carved out of app.js into their own module (R3a).
const APP_JS = path.join(__dirname, '..', '..', 'static', 'js', 'tuning-display.js');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
const HIGHWAY_JS = path.join(__dirname, '..', '..', 'static', 'highway.js');
const TUNER_UI_JS = path.join(__dirname, '..', '..', 'plugins', 'tuner', 'utils', 'ui.js');
const TUNER_SCREEN_JS = path.join(__dirname, '..', '..', 'plugins', 'tuner', 'screen.js');
@@ -15,14 +14,14 @@ const V3_HTML = path.join(__dirname, '..', '..', 'static', 'v3', 'index.html');
function loadTuningHelpers() {
const src = fs.readFileSync(APP_JS, 'utf8');
// The module is nothing BUT the tuning helpers now, so there is no block to
// slice out — take it whole. `export` is stripped so the vm sandbox can still
// evaluate it as a plain script (the window.* contract lives in app.js).
const body = src.replace(/^export /gm, '');
const start = src.indexOf('function isBassArrangement(');
const endMarker = 'window.feedBack.parseRawTuningOffsets = parseRawTuningOffsets;';
const end = src.indexOf(endMarker);
if (start === -1 || end === -1) throw new Error('tuning helper block not found in app.js');
const sandbox = { window: { feedBack: {} }, exports: {} };
vm.createContext(sandbox);
vm.runInContext(
body + '\n'
src.slice(start, end + endMarker.length) + '\n'
+ 'exports.displayTuningTargets = displayTuningTargets;\n'
+ 'exports.displayTuningTargetDetails = displayTuningTargetDetails;\n'
+ 'exports.isBassArrangement = isBassArrangement;\n'
+6 -7
View File
@@ -7,8 +7,7 @@ const path = require('node:path');
const vm = require('node:vm');
const SONGS_JS = path.join(__dirname, '..', '..', 'static', 'v3', 'songs.js');
// The tuning-display helpers were carved out of app.js into their own module (R3a).
const APP_JS = path.join(__dirname, '..', '..', 'static', 'js', 'tuning-display.js');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
function extractBlock(src, startMarker) {
const start = src.indexOf(startMarker);
@@ -28,14 +27,14 @@ function extractBlock(src, startMarker) {
function loadTuningHelpers() {
const src = fs.readFileSync(APP_JS, 'utf8');
// The module is nothing BUT the tuning helpers now, so there is no block to
// slice out — take it whole. `export` is stripped so the vm sandbox can still
// evaluate it as a plain script (the window.* contract lives in app.js).
const body = src.replace(/^export /gm, '');
const start = src.indexOf('function _looksLikeRawTuningOffsets(');
const endMarker = 'window.feedBack.parseRawTuningOffsets = parseRawTuningOffsets;';
const end = src.indexOf(endMarker);
if (start === -1 || end === -1) throw new Error('tuning helpers not found');
const sandbox = { window: { feedBack: {} }, exports: {} };
vm.createContext(sandbox);
vm.runInContext(
body + '\n'
src.slice(start, end + endMarker.length) + '\n'
+ 'exports.displayTuningName = displayTuningName;\n'
+ 'exports.displayTuningTargets = displayTuningTargets;\n'
+ 'exports.parseRawTuningOffsets = parseRawTuningOffsets;',
+2 -5
View File
@@ -9,9 +9,6 @@ const venueScene = require('../../static/v3/venue-scene-3d.js');
const venueViz = require('../../static/v3/venue-viz.js');
const pov = require('../../static/v3/venue-instrument-pov.js');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
// The viz layer (setViz / the venue option / the picker) was carved out of
// app.js into its own module (R3a).
const VIZ_JS = path.join(__dirname, '..', '..', 'static', 'js', 'viz.js');
const H3D_JS = path.join(__dirname, '..', '..', 'plugins', 'highway_3d', 'screen.js');
const INDEX_HTML = path.join(__dirname, '..', '..', 'static', 'v3', 'index.html');
const ASSET_DIR = path.join(__dirname, '..', '..', 'static', 'assets', 'venue', 'themes', 'small-club');
@@ -188,8 +185,8 @@ test('venue-scene-3d exports bg plate asset ids', () => {
assert.equal(venueScene.ASSET_BASE, '/static/assets/venue/themes/small-club/');
});
test('viz.js syncs venue 3D scene on viz changes', () => {
const src = fs.readFileSync(VIZ_JS, 'utf8');
test('app.js syncs venue 3D scene on viz changes', () => {
const src = fs.readFileSync(APP_JS, 'utf8');
assert.match(src, /v3VenueScene3d\.syncViz\('venue'\)/);
assert.match(src, /v3VenueScene3d\.syncViz\(id\)/);
});
+6 -8
View File
@@ -8,8 +8,6 @@ const path = require('node:path');
const venueViz = require('../../static/v3/venue-viz.js');
const venue = require('../../static/v3/venue-mood-fx.js');
const APP_JS = path.join(__dirname, '..', '..', 'static', 'app.js');
// The viz layer was carved out of app.js into its own module (R3a).
const VIZ_JS = path.join(__dirname, '..', '..', 'static', 'js', 'viz.js');
const INDEX_HTML = path.join(__dirname, '..', '..', 'static', 'v3', 'index.html');
const V3_CSS = path.join(__dirname, '..', '..', 'static', 'v3', 'v3.css');
@@ -141,8 +139,8 @@ test('index.html contains in-player venue placeholder markup', () => {
assert.match(html, /id="v3-venue-scene-wash"/);
});
test('viz.js adds Venue visualization option and adapter', () => {
const src = fs.readFileSync(VIZ_JS, 'utf8');
test('app.js adds Venue visualization option and adapter', () => {
const src = fs.readFileSync(APP_JS, 'utf8');
assert.match(src, /function _ensureVenueVizOption/);
assert.match(src, /opt\.value = 'venue'/);
assert.match(src, /opt\.textContent = 'Venue'/);
@@ -212,15 +210,15 @@ test('venue mood source documents strip overlay disabled', () => {
assert.match(source, /v3-venue-mode-badge/);
});
test('viz.js preserves plugin viz population for drum/tab/piano highways', () => {
const src = fs.readFileSync(VIZ_JS, 'utf8');
test('app.js preserves plugin viz population for drum/tab/piano highways', () => {
const src = fs.readFileSync(APP_JS, 'utf8');
assert.match(src, /p\.type === 'visualization'/);
assert.match(src, /feedBackViz_/);
assert.match(src, /BUILTIN_OPT_VALUES/);
});
test('venue option remains distinct from highway_3d in viz adapter', () => {
const src = fs.readFileSync(VIZ_JS, 'utf8');
test('venue option remains distinct from highway_3d in app adapter', () => {
const src = fs.readFileSync(APP_JS, 'utf8');
assert.match(src, /if \(id === 'venue'\)/);
assert.doesNotMatch(src, /if \(id === 'venue'\)[\s\S]{0,400}sel\.value = 'highway_3d'/);
});
+6 -18
View File
@@ -7,10 +7,6 @@ import pytest
ROOT = Path(__file__).resolve().parents[1]
WORKSPACE_ROOT = ROOT.parent
# The plugin loader was carved out of static/app.js into its own module (R3a).
# These tests assert on its source text, so they read it from its new home.
PLUGIN_LOADER = ROOT / "static" / "js" / "plugin-loader.js"
def _sibling_file(plugin_dir: str, filename: str) -> Path:
path = WORKSPACE_ROOT / plugin_dir / filename
@@ -27,7 +23,7 @@ def _sibling_text(plugin_dir: str, filename: str, required_token: str | None = N
def test_plugin_loader_guards_duplicate_hydration_and_scripts():
source = PLUGIN_LOADER.read_text(encoding="utf-8")
source = (ROOT / "static" / "app.js").read_text(encoding="utf-8")
assert "let _loadPluginsInFlight = false" in source
assert "window.feedBack._loadedPluginScripts" in source
@@ -35,7 +31,7 @@ def test_plugin_loader_guards_duplicate_hydration_and_scripts():
def test_plugin_loader_unmounts_previous_ui_contributions_before_reregistering():
source = PLUGIN_LOADER.read_text(encoding="utf-8")
source = (ROOT / "static" / "app.js").read_text(encoding="utf-8")
assert "const _pluginUiContributions = new Map()" in source
assert "await _commandUiDomain(contribution.domain, 'unmount', plugin, contribution)" in source
@@ -52,7 +48,7 @@ def test_plugin_loader_does_not_treat_response_absence_as_uninstall():
# (plugin scripts don't re-run), and the DOM/style wipes forced a
# mid-session screen.js re-evaluation that duplicated the desktop
# audio_engine's native signal chain.
source = PLUGIN_LOADER.read_text(encoding="utf-8")
source = (ROOT / "static" / "app.js").read_text(encoding="utf-8")
# The absence-triggered sweep is gone (rationale comment in its place)...
assert "const livePluginIds" not in source
@@ -158,13 +154,7 @@ def test_deferred_runtime_domains_remain_reserved_not_bridged():
def test_capability_events_do_not_bridge_deferred_surfaces():
# These are NEGATIVE assertions, so they must span every file the code could
# have moved to — otherwise carving a function out of app.js turns the guard
# vacuous instead of failing.
app_source = (
(ROOT / "static" / "app.js").read_text(encoding="utf-8")
+ PLUGIN_LOADER.read_text(encoding="utf-8")
)
app_source = (ROOT / "static" / "app.js").read_text(encoding="utf-8")
capability_source = (ROOT / "static" / "capabilities.js").read_text(encoding="utf-8")
for token in ["return 'ui.navigation'", "return 'note-detection'", "eventName.startsWith('viz:') || eventName.startsWith('highway:')"]:
@@ -174,7 +164,7 @@ def test_capability_events_do_not_bridge_deferred_surfaces():
def test_plugin_loader_registers_manifest_capability_declarations():
source = PLUGIN_LOADER.read_text(encoding="utf-8")
source = (ROOT / "static" / "app.js").read_text(encoding="utf-8")
assert "const capabilityPlugins = fetchedPlugins.slice().sort((a, b) => String(a.id || '').localeCompare(String(b.id || '')))" in source
assert "capabilityApi.registerParticipants(capabilityPlugins)" in source
@@ -186,9 +176,7 @@ def test_app_event_bus_dispatches_locally_and_preserves_juce_stop_state():
source = (ROOT / "static" / "app.js").read_text(encoding="utf-8")
assert "this.dispatchEvent(new CustomEvent(event, { detail }))" in source
# `isPlaying` moved onto the shared player-state container (static/js/player-state.js)
# so a carved module can WRITE it — an imported binding is read-only.
assert "const hadPlayableSong = !!audio.src || !!window._juceAudioUrl || S.isPlaying" in source
assert "const hadPlayableSong = !!audio.src || !!window._juceAudioUrl || isPlaying" in source
assert "sm.emit('song:resume', payload)" in source
assert "window.feedBack.emit('song:resume', payload)" in source