Lu Yifei
d5ebe6cb47
Build offline specialized players from the matching Scratch VM, with audited linking, pruning and scheduling-property renaming across browser, Node and standalone outputs.
29 lines
1.8 KiB
JavaScript
29 lines
1.8 KiB
JavaScript
import fs from 'node:fs/promises';
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import {rollup} from 'rollup';
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import {nodeResolve} from '@rollup/plugin-node-resolve';
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import commonjs from '@rollup/plugin-commonjs';
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import json from '@rollup/plugin-json';
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await fs.mkdir('generated', {recursive: true});
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for (const node of [true, false]) {
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const bundle = await rollup({input: `src/specialized/${node ? 'node' : 'worker'}.mjs`,
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external: node ? ['rollup', 'node:child_process'] : [],
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onwarn(warning) { if (warning.code !== 'CIRCULAR_DEPENDENCY') console.warn(warning.message); },
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plugins: [{name: 'build-environment', transform(code, id) {
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if (!/\.[cm]?js$/.test(id)) return;
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return {code: code.replace(/process\.env\.BABEL_TYPES_8_BREAKING/g, 'false')
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.replace(/process\.env\.BABEL_8_BREAKING/g, 'false').replace(/process\.env\.BABEL_TYPES_8_BREAKING/g, 'false')
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.replace(/process\.env\.NODE_ENV/g, '"production"'), map: null};
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}}, nodeResolve({browser: !node, preferBuiltins: node}), commonjs(), json()]});
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await bundle.write({file: `generated/${node ? 'specialized-link.cjs' : 'specialized-worker.js'}`,
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format: node ? 'cjs' : 'iife', inlineDynamicImports: true,
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banner: node ? '' : 'var global = globalThis; var process = {env: {}, platform: "browser"};'});
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await bundle.close();
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}
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const browserRollup = await fs.readFile('node_modules/@rollup/browser/dist/rollup.browser.js', 'utf8');
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const wasmBootstrap = /(\w+)=new URL\("bindings_wasm_bg.wasm",/;
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if (!wasmBootstrap.test(browserRollup)) throw new Error('Pinned Rollup WASM bootstrap changed');
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await fs.writeFile('generated/rollup.browser.js', browserRollup.replace(wasmBootstrap,
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'$1=globalThis.__specializedWasmBytes||new URL("bindings_wasm_bg.wasm",'));
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await fs.copyFile('node_modules/@rollup/browser/dist/bindings_wasm_bg.wasm', 'generated/bindings_wasm_bg.wasm');
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