/*
* fee[dB]ack v0.3.0 — topbar Tuner + Instrument Selector cards.
*
* Implements the Google Stitch "Tuner and Instrument Selector Components"
* (project 2627687099825089475): charcoal rounded cards — a tuner display
* (vertical heat-gradient meter + active-green segment + big italic note +
* Hz) and an instrument selector (guitar icon + chevron dropdown), scaled to
* the header row.
*
* Behaviour:
* - Clicking the tuner card opens the SAME tuner as the plugin's floating
* "Tuner" button (window.tuner.toggle() / #tuner-toggle-btn).
* - The instrument selector persists instrument/strings/tuning/reference in
* /api/settings, emits `instrument:changed`, AND pushes the selection into
* the tuner plugin (POST /api/plugins/tuner/config + window._tunerReloadConfig)
* so the tuner auto-switches its tuning.
*/
(function () {
'use strict';
const sm = window.feedBack;
const esc = (s) => String(s == null ? '' : s).replace(/[&<>"']/g, (c) => (
{ '&': '&', '<': '<', '>': '>', '"': '"', "'": ''' }[c]));
const STRING_COUNTS = { guitar: [6, 7, 8], bass: [4, 5, 6] };
const PATHWAY_OPTIONS = [
{ id: 'songs', label: 'Songs' },
{ id: 'practice', label: 'Practice' },
{ id: 'learn', label: 'Learn' },
{ id: 'studio', label: 'Studio' },
];
// Tuning names per instrument key (e.g. 'guitar-6', 'bass-4'), loaded from
// GET /api/tunings. Falls back to empty arrays until the fetch resolves.
let _tuningsByKey = {};
// Last instrument-coverage report for the current song (from the tuner plugin) —
// drives a passive "different tuning" cue on the tuner badge. null = covered /
// unknown / off the player.
let _lastCoverageReport = null;
// Monotonic token so a slow coverage fetch can't restore a stale cue after a newer
// song started loading / we left the player. Bumped on every refresh and clear.
let _coverageCueToken = 0;
function _tuningsForKey(key) { return Object.keys(_tuningsByKey[key] || {}); }
function _tuningsForInstrument(instrument, string_count) {
return _tuningsForKey(instrument + '-' + string_count);
}
// Lowest-string note per tuning name, for the tuner card's note readout.
// Populated from /api/tunings frequencies: low string = index 0.
let TUNING_NOTE = {};
// Chromatic scale (C-based). Index 0 = lowest string relative to E2 (82.41 Hz).
// The lowest open string of guitar-6 Standard is E2; offset 0 maps to 'E'.
const NOTE_NAMES = ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'];
function _freqToNote(hz) {
if (!hz || !Number.isFinite(hz) || hz <= 0) return 'E';
const midi = Math.round(69 + 12 * Math.log2(hz / 440));
return NOTE_NAMES[((midi % 12) + 12) % 12];
}
// Resolve a custom offset-array tuning to a readable low-string note name.
// Offsets are semitones from E Standard (index 0 = lowest string).
function lowStringNote(off) {
const semis = Array.isArray(off) && Number.isFinite(off[0]) ? off[0] : 0;
return NOTE_NAMES[(((4 + semis) % 12) + 12) % 12];
}
// Display label for the active tuning: a named tuning as-is, or 'Custom'
// for an offset-array tuning (which has no canonical name).
function tuningLabel() {
return typeof settings.tuning === 'string' ? settings.tuning : 'Custom';
}
// The SELECTED instrument's live working tuning (host `workingTuning` capability).
// Feature-detected: returns null when the host doesn't expose it, so the card
// quietly falls back to the profile tuning. `offsets` are named via the shared
// displayTuningName resolver; "home" = still in the profile/default tuning.
function workingTuningInfo() {
var wt = window.feedBack && window.feedBack.workingTuning;
var st = wt && typeof wt.get === 'function' ? wt.get() : null;
if (!st) return null;
var offsets = Array.isArray(st.offsets) ? st.offsets : null;
var nameFor = window.displayTuningName
|| (window.feedBack && window.feedBack.displayTuningName);
// Resolve BOTH the home tuning and the working tuning through the SAME namer so
// "home?" is a like-for-like comparison — comparing a raw settings string ('Custom'
// / 'E Standard') against a from-offsets name would mislabel a real home tuning.
var homeLabel = (typeof nameFor === 'function')
? (nameFor(typeof settings.tuning === 'string' ? settings.tuning : null,
Array.isArray(settings.tuning) ? settings.tuning : null) || tuningLabel())
: tuningLabel();
var label = (offsets && typeof nameFor === 'function') ? nameFor(null, offsets) : homeLabel;
return {
label: label,
short: label.replace(/ Standard\b/, ' Std').replace(/Custom Tuning/, 'Custom'),
// Home = no explicit working offsets, OR the working tuning names the same as
// the profile's home tuning (both via `nameFor`, so the compare is consistent).
isHome: !offsets || label === homeLabel,
provenance: st.provenance === 'verified' ? 'verified' : 'assumed',
};
}
// Honesty glyph: a hollow diamond for an assumed tuning, a filled one for a
// per-string mic-verified tuning (see the workingTuning provenance flag).
function provenanceGlyph(p) {
return p === 'verified'
? '◆'
: '◇';
}
// Tell the host which instrument is now selected, so workingTuning.get()
// surfaces THIS instrument's own remembered tuning. No-op without the capability.
function setWorkingInstrument(inst, sc) {
var wt = window.feedBack && window.feedBack.workingTuning;
if (wt && typeof wt.setCurrentInstrument === 'function') {
try { wt.setCurrentInstrument(inst, sc); } catch (_) { /* noop */ }
}
}
let settings = { instrument: 'guitar', string_count: 6, tuning: 'Standard', reference_pitch: 440, pathway: 'songs', instrument_profiles: {}, active_instrument_profile: 'guitar-lead' };
async function loadTunings() {
try {
const r = await fetch('/api/tunings');
if (!r.ok) return;
const data = await r.json();
_tuningsByKey = data.tunings || {};
// Build TUNING_NOTE from the lowest string of each tuning. Prefer the
// exact integer midis the server now sends (tuningMidis, #829) — the
// frequency path reconstructs the note via log2 against a hardcoded
// 440 and can land a semitone off at non-440 reference pitches.
// Frequencies remain the fallback for older cached responses.
const midisByKey = data.tuningMidis || {};
TUNING_NOTE = {};
for (const key of Object.keys(_tuningsByKey)) {
for (const [name, freqs] of Object.entries(_tuningsByKey[key])) {
if (name in TUNING_NOTE) continue;
const midis = midisByKey[key] && midisByKey[key][name];
if (Array.isArray(midis) && midis.length > 0 && Number.isFinite(midis[0])) {
TUNING_NOTE[name] = NOTE_NAMES[((midis[0] % 12) + 12) % 12];
} else if (Array.isArray(freqs) && freqs.length > 0) {
TUNING_NOTE[name] = _freqToNote(freqs[0]);
}
}
}
} catch (_) { /* non-fatal — TUNINGS falls back to empty, dropdown shows nothing */ }
}
function pathwayForProfile(profiles, profileId, fallback) {
const p = profiles && profiles[profileId];
return p && PATHWAY_OPTIONS.some((o) => o.id === p.pathway) ? p.pathway : (fallback || 'songs');
}
function profileIdForInstrument(inst) {
return inst === 'bass' ? 'bass' : 'guitar-lead';
}
async function loadSettings() {
try {
const r = await fetch('/api/settings');
if (r.ok) {
const s = await r.json();
// Clamp persisted values to valid ranges — config.json could
// hold out-of-range data (hand-edited or from an import), and the
// badge/tuner must render consistent state, not a bad number.
const instrument = s.instrument === 'bass' ? 'bass' : 'guitar';
const counts = STRING_COUNTS[instrument];
const sc = Number(s.string_count);
const scValid = counts.includes(sc) ? sc : counts[0];
const tunings = _tuningsForInstrument(instrument, scValid);
let ref = Number(s.reference_pitch);
if (!Number.isFinite(ref)) ref = 440;
// tuning: a known named tuning is used as-is; a custom
// offset-array tuning (see /api/settings) is PRESERVED rather
// than discarded — the named-tuning badge can't label it yet
// (tracked for P23), and pushToTuner()/renderTuner() guard the
// non-string case — anything else falls back to the default.
let tuning;
if (typeof s.tuning === 'string') tuning = tunings.includes(s.tuning) ? s.tuning : (tunings[0] || 'Standard');
else if (Array.isArray(s.tuning)) tuning = s.tuning;
else tuning = tunings[0] || 'Standard';
const profiles = s.instrument_profiles && typeof s.instrument_profiles === 'object' ? s.instrument_profiles : {};
const pathway = PATHWAY_OPTIONS.some((o) => o.id === s.pathway) ? s.pathway : 'songs';
settings = {
instrument: instrument,
string_count: scValid,
tuning: tuning,
reference_pitch: Math.min(450, Math.max(430, ref)),
pathway: pathway,
instrument_profiles: profiles,
active_instrument_profile: typeof s.active_instrument_profile === 'string' ? s.active_instrument_profile : profileIdForInstrument(instrument),
};
}
} catch (e) { /* settings endpoint always present */ }
}
function syncLocalProfilePatch(patch) {
const profileId = profileIdForInstrument(patch.instrument || settings.instrument);
if (!settings.instrument_profiles || typeof settings.instrument_profiles !== 'object') settings.instrument_profiles = {};
if (patch.instrument) settings.active_instrument_profile = profileId;
const profile = Object.assign({}, settings.instrument_profiles[profileId] || {});
let changed = false;
if (patch.instrument) { profile.instrument = patch.instrument; changed = true; }
if (patch.string_count != null) { profile.string_count = patch.string_count; changed = true; }
if (patch.tuning != null) { profile.tuning = patch.tuning; changed = true; }
if (patch.reference_pitch != null) { profile.reference_pitch = patch.reference_pitch; changed = true; }
if (patch.pathway != null) { profile.pathway = patch.pathway; changed = true; }
if (changed) settings.instrument_profiles[profileId] = profile;
}
async function saveSettings(patch) {
// Only adopt the patch once the server accepts it. /api/settings returns
// {error: ...} with HTTP 200 on a validation failure, so a rejected
// patch must NOT mutate local state, emit instrument:changed, or push to
// the tuner — otherwise the UI/tuner desync from the persisted config.
let accepted = false;
try {
const r = await fetch('/api/settings', {
method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(patch),
});
if (r.ok) {
const body = await r.json().catch(() => ({}));
accepted = !(body && body.error);
}
} catch (e) { /* non-fatal — leave settings unchanged */ }
if (!accepted) return false;
Object.assign(settings, patch);
syncLocalProfilePatch(patch);
if (sm && sm.emit) sm.emit('instrument:changed', {
instrument: settings.instrument, stringCount: settings.string_count, tuning: settings.tuning, pathway: settings.pathway,
});
pushToTuner();
renderTuner(); // reflect new tuning on the tuner card
return true;
}
// Drive the tuner plugin's instrument + tuning from the selection.
async function pushToTuner() {
try {
const lastInstrument = settings.instrument + '-' + settings.string_count; // e.g. guitar-6, bass-4
// The tuner plugin keys its config by tuning NAME. A custom
// offset-array tuning has no name, so sync only the instrument and
// skip lastTuning rather than POST an array the plugin can't parse.
const body = { lastInstrument };
if (typeof settings.tuning === 'string') {
body.lastTuning = settings.tuning;
}
await fetch('/api/plugins/tuner/config', {
method: 'POST', headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(body),
});
if (typeof window._tunerReloadConfig === 'function') await window._tunerReloadConfig();
} catch (e) { /* tuner plugin may be absent */ }
}
function openTuner() {
// Same action as the plugin's floating "Tuner" button.
if (window.tuner && typeof window.tuner.toggle === 'function') { window.tuner.toggle(); return; }
const btn = document.getElementById('tuner-toggle-btn');
if (btn) btn.click();
// else: tuner plugin not installed — no-op.
}
// ── Live tuner badge helpers ──────────────────────────────────────────--
let _lastFrame = null;
// 11-bar heat gradient: index 0 = very flat (dark red), 5 = center (green), 10 = very sharp (dark red).
// Each step = 5 cents; range ±25 cents.
const _SEG_BASE = [
'bg-red-900', // 0 –25 cents
'bg-red-700', // 1 –20 cents
'bg-orange-600', // 2 –15 cents
'bg-yellow-600', // 3 –10 cents
'bg-emerald-700', // 4 –5 cents
'bg-emerald-700', // 5 0 cents (center)
'bg-emerald-700', // 6 +5 cents
'bg-yellow-600', // 7 +10 cents
'bg-orange-600', // 8 +15 cents
'bg-red-700', // 9 +20 cents
'bg-red-900', // 10 +25 cents
];
function _segActiveClass(i) {
if (i === 5) return 'bg-emerald-400 shadow-[0_0_10px_3px_rgba(52,211,153,0.95)]';
if (i === 4 || i === 6) return 'bg-emerald-500 shadow-[0_0_8px_2px_rgba(52,211,153,0.85)]';
if (i === 3 || i === 7) return 'bg-yellow-400 shadow-[0_0_8px_2px_rgba(234,179,8,0.9)]';
if (i === 2 || i === 8) return 'bg-orange-500 shadow-[0_0_6px_2px_rgba(249,115,22,0.85)]';
if (i === 1 || i === 9) return 'bg-red-500 shadow-[0_0_6px_2px_rgba(239,68,68,0.8)]';
return 'bg-red-700 shadow-[0_0_4px_1px_rgba(185,28,28,0.7)]'; // 0 or 10
}
// Returns true when the tuning name implies flat notation (mirrors tuning-utils.js).
function _preferFlats(tuningName) {
return typeof tuningName === 'string' && /\b[A-G]b\b/.test(tuningName);
}
// Compute nearest chromatic note + cents deviation from raw freq (always free-tune).
function _freeTuneCents(freq, useFlats, referencePitch) {
if (!freq || freq <= 0) return { note: '—', cents: 0 };
const ref = (referencePitch > 0 && isFinite(referencePitch)) ? referencePitch : 440;
const midi = 69 + 12 * Math.log2(freq / ref);
const rounded = Math.round(midi);
const cents = Math.round((midi - rounded) * 100);
const sharps = ['C','C#','D','D#','E','F','F#','G','G#','A','A#','B'];
const flats = ['C','Db','D','Eb', 'E','F','Gb','G','Ab','A','Bb', 'B'];
return { note: (useFlats ? flats : sharps)[((rounded % 12) + 12) % 12], cents };
}
function _applyFrame(frame) {
const host = document.getElementById('v3-badge-tuner');
if (!host) return;
const noteEl = host.querySelector('[data-tuner-note]');
const hzEl = host.querySelector('[data-tuner-hz]');
const segs = host.querySelectorAll('[data-tuner-seg]');
if (!segs.length) return; // skeleton not yet rendered
if (!frame || !frame.hasSignal) {
const fallbackNote = typeof settings.tuning === 'string'
? (TUNING_NOTE[settings.tuning] || 'E')
: lowStringNote(settings.tuning);
if (noteEl) noteEl.textContent = fallbackNote;
if (hzEl) hzEl.textContent = Math.round(settings.reference_pitch || 440) + 'hz';
segs.forEach((s, i) => { s.className = 'w-5 h-[3px] rounded-full ' + _SEG_BASE[i]; });
return;
}
// Always free-tune: derive note + cents from raw freq, ignoring tuning target.
const { freq } = frame;
const { note, cents } = _freeTuneCents(freq, _preferFlats(settings.tuning), settings.reference_pitch);
if (noteEl) noteEl.textContent = note;
if (hzEl) hzEl.textContent = Math.round(freq) + 'hz';
// cents ±25 maps to indices 0–10; centre (0¢) = index 5, sharp (+) = top (0), flat (–) = bottom (10).
const activeIdx = Math.max(0, Math.min(10, 5 - Math.round(cents / 5)));
segs.forEach((s, i) => {
s.className = 'w-5 h-[3px] rounded-full ' + (i === activeIdx ? _segActiveClass(i) : _SEG_BASE[i]);
});
}
// ── Tuner card (Stitch LeftTunerComponent) ────────────────────────────--
function renderTuner() {
const host = document.getElementById('v3-badge-tuner');
if (!host) return;
const hz = Math.round(settings.reference_pitch || 440);
const initNote = typeof settings.tuning === 'string'
? (TUNING_NOTE[settings.tuning] || 'E') : lowStringNote(settings.tuning);
const seg = (i) => '';
const meter = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10].map(seg).join('');
host.innerHTML =
'
' +
'' +
'
';
host.querySelector('[data-open-tuner]').addEventListener('click', (e) => {
e.stopPropagation();
const tunerPanel = document.getElementById('tuner-plugin-ui');
const tunerIsOpen = tunerPanel && !tunerPanel.classList.contains('hidden');
if (!tunerIsOpen) {
// About to open — close the instruments panel first.
closeInstMenu();
document.removeEventListener('click', closeInstMenu);
}
openTuner();
});
_applyFrame(_lastFrame);
_applyCoverageCue(_lastCoverageReport);
}
// Passive "different tuning" cue on the tuner badge: an amber ring + a tooltip
// naming the retune (e.g. "B→A"). The diff comes from the tuner plugin's coverage
// report; an absent plugin or a covered song → no cue. CSS-free (inline ring +
// native title) so it needs no Tailwind rebuild, and it never auto-opens the
// panel — it's advisory; the user taps the badge to tune.
function _applyCoverageCue(report) {
const btn = document.querySelector('#v3-badge-tuner [data-open-tuner]');
if (!btn) return;
const needs = !!(report && !report.covered);
btn.style.boxShadow = needs ? '0 0 0 2px #fbbf24' : '';
if (!needs) { btn.title = 'Open tuner'; return; }
const summary = report.cantCover ? 'a different instrument'
: (report.retune && report.retune.length)
? report.retune.map((d) => d.from + '→' + d.to).join(', ')
: 'the reference pitch';
btn.title = 'This song needs a different tuning — retune ' + summary + '. Click to tune.';
}
// A coverage report only drives the cue when it carries an actual signal: covered
// (clears the ring) or a nameable mismatch (retune / reference / cantCover). The
// plugin returns a conservative all-false report on a fetch hiccup / missing data —
// that's "unknown", NOT "needs retune", so collapse it to null (no cue) rather than
// painting an amber "retune the reference pitch" ring with no evidence.
function _meaningfulReport(report) {
if (!report) return null;
if (report.covered) return report;
if (report.cantCover || report.reference || (report.retune && report.retune.length)) return report;
return null;
}
async function _refreshCoverageCue() {
const myToken = ++_coverageCueToken;
const songInfo = window.highway && window.highway.getSongInfo && window.highway.getSongInfo();
const api = window._tunerAutoOpen;
if (!songInfo || !api || typeof api.coverageReport !== 'function') {
_lastCoverageReport = null; _applyCoverageCue(null); return;
}
let report = null;
try { report = await api.coverageReport(songInfo); }
catch (_e) { report = null; }
if (myToken !== _coverageCueToken) return; // superseded by a newer song / a clear
_lastCoverageReport = _meaningfulReport(report);
_applyCoverageCue(_lastCoverageReport);
}
// ── Instrument selector card (Stitch RightInstrumentSelector) ──────────--
const guitarIcon =
'';
// Instrument-menu open/close helpers keyed by id (NOT a captured element),
// so they survive renderInstrument() replacing the menu node. closeInstMenu
// is a stable named handler so it can be registered/removed across opens.
function liveInstMenu() {
const host = document.getElementById('v3-badge-instrument');
return host ? host.querySelector('[data-inst-menu]') : null;
}
function closeInstMenu() { const m = liveInstMenu(); if (m) m.classList.add('hidden'); }
function openInstMenu() {
const m = liveInstMenu();
if (!m) return;
// Close the tuner panel if it is open so the two panels are mutually exclusive.
const tunerPanel = document.getElementById('tuner-plugin-ui');
if (tunerPanel && !tunerPanel.classList.contains('hidden') && window.tuner) {
window.tuner.disable();
}
m.classList.remove('hidden');
// (Re)register the outside-click closer for whatever the CURRENT menu
// node is — dedupe first so repeated opens don't stack listeners.
document.removeEventListener('click', closeInstMenu);
document.addEventListener('click', closeInstMenu, { once: true });
}
function renderInstrument() {
const host = document.getElementById('v3-badge-instrument');
if (!host) return;
const wt = workingTuningInfo();
host.innerHTML =
'
' +
'' +
'
' +
// "Now in" banner + one-tap back-to-default — shown only once you've
// retuned off your home tuning (workingTuning present and not home).
((wt && !wt.isHome)
? '
'
: '') +
instRow('Instrument', ['guitar', 'bass'].map((v) =>
pill('inst', v, v[0].toUpperCase() + v.slice(1), settings.instrument === v)).join('')) +
instRow('Strings', STRING_COUNTS[settings.instrument].map((v) =>
pill('strings', v, v + '', settings.string_count === v)).join('')) +
// Handedness — a left-hander flips the whole highway (frets mirror).
// Lives with the other player-orientation choices so it's part of the
// same "Choose your instrument" step the onboarding tour spotlights —
// i.e. set before you ever tune up or calibrate.
instRow('Handedness', pill('hand', 'right', 'Right', !_leftyPref()) +
pill('hand', 'left', 'Left', _leftyPref())) +
'
';
const toggle = host.querySelector('[data-inst-toggle]');
const menu = host.querySelector('[data-inst-menu]');
// Open/close via the id-based helpers so the outside-click closer always
// targets the live menu (renderInstrument may replace this node) and is
// only armed while the menu is actually open.
toggle.addEventListener('click', (e) => {
e.stopPropagation();
if (menu.classList.contains('hidden')) openInstMenu();
else { closeInstMenu(); document.removeEventListener('click', closeInstMenu); }
});
menu.addEventListener('click', (e) => e.stopPropagation());
// After a settings change re-renders the menu, re-open the NEW node and
// re-arm its outside-click closer (openInstMenu re-queries by id).
const keepOpen = openInstMenu;
menu.querySelectorAll('[data-pill="inst"]').forEach((b) => b.addEventListener('click', async () => {
const v = b.getAttribute('data-val');
const counts = STRING_COUNTS[v];
// Clamp string_count AND tuning to ones valid for the new
// instrument, so switching can't persist (and push to the tuner) an
// unsupported instrument+tuning combo.
const newSc = counts.includes(settings.string_count) ? settings.string_count : counts[0];
const tunings = _tuningsForInstrument(v, newSc);
const ok = await saveSettings({
instrument: v,
string_count: newSc,
tuning: tunings.includes(settings.tuning) ? settings.tuning : (tunings[0] || settings.tuning),
pathway: pathwayForProfile(settings.instrument_profiles, profileIdForInstrument(v), settings.pathway),
});
// Only move the working-tuning context once the switch was actually persisted —
// otherwise the selector stays on the old instrument while the card shows the
// new one's tuning (settings and workingTuning desync on a rejected save).
if (ok) setWorkingInstrument(v, newSc); // surface THIS instrument's own working tuning
renderInstrument(); keepOpen();
}));
menu.querySelectorAll('[data-pill="strings"]').forEach((b) => b.addEventListener('click', async () => {
const newSc = Number(b.getAttribute('data-val'));
// Clamp the tuning to one valid for the new string count and post it
// alongside string_count — otherwise the backend silently resets a
// now-invalid tuning to Standard while this UI keeps showing the old
// one (settings/tuner desync). Mirrors the instrument-switch clamp.
const tunings = _tuningsForInstrument(settings.instrument, newSc);
await saveSettings({
string_count: newSc,
tuning: tunings.includes(settings.tuning) ? settings.tuning : (tunings[0] || settings.tuning),
});
setWorkingInstrument(settings.instrument, newSc);
renderInstrument(); keepOpen();
}));
menu.querySelectorAll('[data-pill="hand"]').forEach((b) => b.addEventListener('click', () => {
_setLeftyPref(b.getAttribute('data-val') === 'left');
renderInstrument(); keepOpen(); // reflect the active pill; keep the menu open
}));
menu.querySelector('[data-inst-tuning]').addEventListener('change', (e) => saveSettings({ tuning: e.target.value }));
menu.querySelector('[data-inst-pathway]').addEventListener('change', (e) => saveSettings({ pathway: e.target.value }));
const ref = menu.querySelector('[data-inst-ref]');
ref.addEventListener('input', (e) => { menu.querySelector('[data-ref-val]').textContent = e.target.value + ' Hz'; });
ref.addEventListener('change', (e) => saveSettings({ reference_pitch: Number(e.target.value) }));
const resetBtn = menu.querySelector('[data-inst-reset]');
if (resetBtn) resetBtn.addEventListener('click', () => {
const wtCap = window.feedBack && window.feedBack.workingTuning;
if (wtCap && typeof wtCap.resetToDefault === 'function') wtCap.resetToDefault();
renderInstrument(); keepOpen();
});
}
function instRow(label, inner) {
return '
' + label + '
' + inner + '
';
}
// Handedness (left-handed) preference. The canonical store is the highway's
// `lefty` localStorage key; when a live highway exists, setLefty() also flips
// it immediately. Feature-detected so it works on the dashboard before any
// highway has been created (the value is read on the highway's next init).
function _leftyPref() {
try { if (window.highway && typeof window.highway.getLefty === 'function') return !!window.highway.getLefty(); } catch (_) { /* */ }
try { return localStorage.getItem('lefty') === '1'; } catch (_) { return false; }
}
function _setLeftyPref(on) {
try {
if (window.highway && typeof window.highway.setLefty === 'function') window.highway.setLefty(!!on);
else localStorage.setItem('lefty', on ? '1' : '0');
} catch (_) { /* storage blocked — the pill still reflects the choice via re-render */ }
// Keep the Settings "Left-handed" checkbox in sync when it's mounted.
try { const cb = document.getElementById('setting-lefty'); if (cb) cb.checked = !!on; } catch (_) { /* */ }
}
function pill(group, val, label, active) {
return '';
}
window.v3Badges = { reload: async () => { await Promise.all([loadTunings(), loadSettings()]); renderInstrument(); renderTuner(); } };
async function boot() {
await Promise.all([loadTunings(), loadSettings()]);
// NB: we deliberately do NOT call setWorkingInstrument() here. The host seeds its
// current instrument from the same /api/settings on boot and emits
// working-tuning-changed on hydration (which re-renders this card), so the card
// aligns without us pre-touching the state — calling setCurrentInstrument() early
// would set the capability's `_touched` flag and suppress that seed.
renderInstrument();
renderTuner();
pushToTuner(); // sync the tuner to the persisted selection on load
if (sm && sm.on) {
sm.on('tuner:frame', (e) => {
_lastFrame = e.detail;
_applyFrame(e.detail);
});
sm.on('tunings:updated', async () => {
await loadTunings();
renderInstrument();
});
// Passive coverage cue: recompute when a song is ready; clear when a new
// song starts loading or we leave the player screen.
sm.on('song:ready', () => { _refreshCoverageCue(); });
sm.on('song:loading', () => { _coverageCueToken++; _lastCoverageReport = null; _applyCoverageCue(null); });
sm.on('screen:changed', (e) => {
if (!e || !e.detail || e.detail.id !== 'player') { _coverageCueToken++; _lastCoverageReport = null; _applyCoverageCue(null); }
});
// The tuner (or a reset) changed the live working tuning → re-render the
// card label + the "Now in" banner. No-op if the host lacks the capability.
sm.on('working-tuning-changed', () => renderInstrument());
}
}
// `defer` runs this at readyState 'interactive' — later scripts have not
// evaluated yet, so wait for DOMContentLoaded (see static/v3/index.html).
if (document.readyState !== 'complete') document.addEventListener('DOMContentLoaded', boot, { once: true });
else boot();
})();