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VERBATIM-MOVE: initScene() (4215-5704), bg-helper functions (5706-6221), and
buildBoard() (6242-6571) extracted from screen.js into a new ES module
src/scene-init.js as createSceneInit({...~200 DI params}) → { initScene,
buildBoard, _bgUnmountStyle, _bcSyncMode }.
All factory-scope variables that other modules read go through getter+setter
pairs (no plain-value shorthands) to avoid the fork-class bug from cut-15.
Local alias pattern applied throughout: const _x = new T.Thing(); setX(_x);
closures use getX() to read current value.
Test retargets: highway_3d_context_loss, fret_spacing, pool_warm,
render_order, score_fx, sustain_bloom, sustain_rail, wide_fov — all updated
to search src/scene-init.js alongside screen.js, and patterns broadened for
DI forms (getRen().domElement, getFretG(), getFretTubeGeo(), etc.).
414/414 tests pass. ESLint: scene-init.js 0 errors, 1 max-lines warning.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014uZ169yfoFYArXz962g7KW
88 lines
4.3 KiB
JavaScript
88 lines
4.3 KiB
JavaScript
// Pins the fret-spacing setting in plugins/highway_3d/screen.js (PR #329).
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// The board can render fret columns either Uniform (equal width, the chart
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// Remastered style) or Logarithmic (real instrument geometry), switchable at
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// runtime via window.h3dSetFretSpacing and persisted in localStorage. A
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// refactor that renames the storage key, drops the delegator in fretX, or
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// stops validating the mode would silently regress the setting.
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//
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// Since h3d-carve-1, the uniform/log branch lives in src/geometry.js
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// (geoFretX); screen.js keeps a 1-arg delegator:
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// const fretX = f => geoFretX(f, _h3dFretUniform);
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//
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// Source-level only — same strategy as the other tests/js/ files.
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const { test } = require('node:test');
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const assert = require('node:assert/strict');
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const fs = require('node:fs');
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const path = require('node:path');
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const SCREEN_JS = path.join(__dirname, '..', '..', 'plugins', 'highway_3d', 'screen.js');
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const GEOMETRY_JS = path.join(__dirname, '..', '..', 'plugins', 'highway_3d', 'src', 'geometry.js');
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const SCENE_INIT_JS = path.join(__dirname, '..', '..', 'plugins', 'highway_3d', 'src', 'scene-init.js'); // h3d-carve-16
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test('fret-spacing mode is read from the highway_3d.fretSpacing localStorage key', () => {
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const src = fs.readFileSync(SCREEN_JS, 'utf8') + '\n' + fs.readFileSync(SCENE_INIT_JS, 'utf8');
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assert.match(
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src,
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/_h3dFretUniform\s*=\s*localStorage\.getItem\(\s*'highway_3d\.fretSpacing'\s*\)\s*!==\s*'logarithmic'/,
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'startup must read highway_3d.fretSpacing and treat anything but "logarithmic" as uniform',
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);
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});
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test('fretX is a 1-arg delegator to geoFretX in screen.js (h3d-carve-1)', () => {
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const src = fs.readFileSync(SCREEN_JS, 'utf8') + '\n' + fs.readFileSync(SCENE_INIT_JS, 'utf8');
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assert.match(
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src,
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/const\s+fretX\s*=\s*f\s*=>\s*geoFretX\(\s*f\s*,\s*_h3dFretUniform\s*\)/,
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'screen.js fretX must delegate to geoFretX(f, _h3dFretUniform) from geometry.js',
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);
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const geo = fs.readFileSync(GEOMETRY_JS, 'utf8');
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assert.match(
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geo,
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/export\s+const\s+geoFretX\s*=\s*\(\s*f\s*,\s*uniform\s*\)\s*=>/,
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'geometry.js must export geoFretX as a 2-arg function (fret, uniform)',
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);
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});
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test('h3dSetFretSpacing validates the mode against the two supported values', () => {
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// An unexpected input must not be persisted verbatim — it is coerced to
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// one of 'logarithmic' | 'uniform' before writing to localStorage.
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const src = fs.readFileSync(SCREEN_JS, 'utf8') + '\n' + fs.readFileSync(SCENE_INIT_JS, 'utf8');
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assert.match(
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src,
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/window\.h3dSetFretSpacing\s*=\s*mode\s*=>\s*\{[\s\S]*?mode\s*===\s*'logarithmic'\s*\?\s*'logarithmic'\s*:\s*'uniform'[\s\S]*?localStorage\.setItem\(\s*'highway_3d\.fretSpacing'/,
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'h3dSetFretSpacing must coerce mode to a supported value before persisting',
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);
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});
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test('h3dSetFretSpacing applies the change live, not via a page reload', () => {
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// A reload reboots the SPA to the home screen, ejecting the user from
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// Settings. The setter must instead rebind the spacing flag and broadcast
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// a 'fretSpacing' change so mounted panels rebuild in place — same path as
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// every other 3D-highway setting. Reintroducing location.reload() here is
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// the regression this guards against.
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const src = fs.readFileSync(SCREEN_JS, 'utf8') + '\n' + fs.readFileSync(SCENE_INIT_JS, 'utf8');
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const setter = src.match(/window\.h3dSetFretSpacing\s*=\s*mode\s*=>\s*\{[\s\S]*?\n \};/);
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assert.ok(setter, 'h3dSetFretSpacing assignment must be present');
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assert.doesNotMatch(
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setter[0],
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/location\.reload/,
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'h3dSetFretSpacing must not reload the page (it ejects the user from Settings)',
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);
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assert.match(
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setter[0],
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/_bgEmitChange\(\s*'fretSpacing'\s*\)/,
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'h3dSetFretSpacing must broadcast a live fretSpacing change',
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);
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});
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test('the fretSpacing change rebuilds a mounted board live', () => {
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const src = fs.readFileSync(SCREEN_JS, 'utf8') + '\n' + fs.readFileSync(SCENE_INIT_JS, 'utf8');
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// h3d-carve-16: DI form uses getFretG() getter
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assert.match(
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src,
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/changedKey\s*===\s*'fretSpacing'[\s\S]*?if\s*\((?:fretG|getFretG\(\))\)\s*buildBoard\(\)/,
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'the panel bg listener must rebuild the board when fretSpacing changes',
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);
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});
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