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63 lines
3.2 KiB
JavaScript
63 lines
3.2 KiB
JavaScript
// Copies client vendor libraries from node_modules into public/vendor (run by `npm run vendor` / postinstall).
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//
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// three.js (the official 3D board scene, DESIGN §15) ships as two ES modules: three.module.js imports
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// './three.core.js', so both are copied side by side and the renderer imports '/vendor/three.module.js' directly
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// (no import map, no CDN — LAN play works offline). Optional packages that are not installed are skipped with a
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// warning instead of failing the install.
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// Preact's hooks build imports the bare specifier "preact"; it is rewritten to the sibling './preact.module.js' (the
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// same URL the import map resolves "preact" to, so one Preact instance) — module graphs then load without import-map
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// support (Safari < 16.4).
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import { copyFileSync, existsSync, mkdirSync, readFileSync, writeFileSync } from 'node:fs';
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import { dirname, join } from 'node:path';
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import { fileURLToPath } from 'node:url';
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const root = join(dirname(fileURLToPath(import.meta.url)), '..');
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const out = join(root, 'public', 'vendor');
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/** Bare specifiers inside vendored ES modules → their sibling vendored file. */
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export const VENDOR_REWRITES = Object.freeze({ 'hooks.module.js': { preact: './preact.module.js' } });
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/**
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* Rewrite `from"x"` / `from 'x'` / `import("x")` of the mapped bare specifiers in a vendored module source.
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* @param {string} src
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* @param {Record<string, string>} map
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*/
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export function rewriteBare(src, map) {
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let res = src;
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for (const [bare, rel] of Object.entries(map)) {
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const esc = bare.replace(/[.*+?^${}()|[\]\\/]/g, '\\$&');
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res = res.replace(new RegExp(`(\\bfrom\\s*|\\bimport\\s*\\(\\s*|\\bimport\\s*)(["'])${esc}\\2`, 'g'), (_, pre, q) => `${pre}${q}${rel}${q}`);
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}
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return res;
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}
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/** [source under the repo root, file name in public/vendor, optional] */
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export const VENDOR_FILES = Object.freeze([
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['node_modules/pixi.js/dist/pixi.min.js', 'pixi.min.js'],
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['node_modules/pixi-spine/dist/pixi-spine.js', 'pixi-spine.js'],
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['node_modules/preact/dist/preact.module.js', 'preact.module.js'],
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['node_modules/preact/hooks/dist/hooks.module.js', 'hooks.module.js'],
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['node_modules/htm/dist/htm.module.js', 'htm.module.js'],
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['node_modules/three/build/three.core.js', 'three.core.js', true],
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['node_modules/three/build/three.module.js', 'three.module.js', true],
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// the 森空岛 binding panel (public/skland.html) renders the scan login QR client-side; the UMD build sets a global
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// `qrcode(typeNumber, errorCorrectionLevel)` when loaded as a classic script, so this one is not an ES module.
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['node_modules/qrcode-generator/dist/qrcode.js', 'qrcode.js'],
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]);
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export function vendor({ log = console.log, warn = console.warn } = {}) {
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mkdirSync(out, { recursive: true });
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const done = [];
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for (const [src, dst, optional] of VENDOR_FILES) {
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const from = join(root, src);
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if (optional && !existsSync(from)) { warn(`vendor: ${dst} skipped (${src} not installed; the 3D board falls back to 2D)`); continue; }
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if (VENDOR_REWRITES[dst]) writeFileSync(join(out, dst), rewriteBare(readFileSync(from, 'utf8'), VENDOR_REWRITES[dst]));
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else copyFileSync(from, join(out, dst));
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done.push(dst);
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log('vendor:', dst);
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}
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return done;
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}
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if (process.argv[1] && fileURLToPath(import.meta.url) === process.argv[1]) vendor();
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