105 lines
3.3 KiB
JavaScript
105 lines
3.3 KiB
JavaScript
#!/usr/bin/env node
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const path = require('node:path');
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const os = require('node:os');
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const { spawn } = require('node:child_process');
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const { readFile, writeFile, copyFile, rm } = require('node:fs/promises');
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/**
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* Run and wait for command to complete.
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* @param {string[]} command
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* @param {SpawnOptionsWithStdioTuple} [opts]
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* @returns {Promise<void>}
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*/
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async function run(command, opts = undefined) {
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return new Promise((resolve, reject) => {
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console.log(`running: ${command.join(' ')}`);
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const child = spawn(command[0], command.slice(1), {
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stdio: ['ignore', 'inherit', 'inherit'],
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...opts,
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});
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child.once('error', reject);
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child.once('close', (code) => {
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if (code === 0) {
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resolve();
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} else {
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reject(new Error(`process exit with code ${code}`));
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}
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});
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});
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}
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/**
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* @param {string} filepath
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* @param {...([Buffer, Buffer])} binaryReplacements
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*/
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async function replaceBytes(filepath, ...binaryReplacements) {
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let content = await readFile(filepath);
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for (const [search, replace] of binaryReplacements) {
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let idx = -1;
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while ((idx = content.indexOf(search, idx + 1)) !== -1) {
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replace.copy(content, idx, 0, replace.length);
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}
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}
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await writeFile(filepath, content);
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}
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/**
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* @param {string} filepath
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* @param {...([RegExp|string, string|(...args: string) => unknown])} replacementRules
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*/
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async function replaceFileByRegex(filepath, ...replacementRules) {
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let content = await readFile(filepath, 'utf-8');
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for (const [search, replace] of replacementRules) {
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content = content.replace(search, replace);
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}
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await writeFile(filepath, content, 'utf-8');
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}
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async function main() {
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const wasmSourceDir = path.join(__dirname, '..', 'um_wasm');
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const wasmOutDir = path.resolve(__dirname, 'pkg');
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const wasmDistDir = path.resolve(__dirname, 'dist');
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await rm(wasmOutDir, { recursive: true, force: true });
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const wasmRelOutDir = path.relative(wasmSourceDir, wasmOutDir);
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await run(['wasm-pack', 'build', '--target', 'web', '--out-dir', wasmRelOutDir], {
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cwd: path.resolve(__dirname, '..', 'um_wasm'),
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});
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// Remove unneeded files
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await Promise.all([
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...['.gitignore', 'package.json', 'README.md'].map((name) => {
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return rm(path.join(wasmOutDir, name), { force: true });
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}),
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rm(wasmDistDir, { recursive: true, force: true }),
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]);
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const homeDir = os.homedir();
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const dummyHome = '/h' + homeDir.slice(3).replace(/./g, '_') + '/';
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// Patch some files...
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await Promise.all([
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replaceFileByRegex(path.join(wasmOutDir, 'um_wasm.js'), [/export default (__wbg_init);/, 'export { $1 };']),
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replaceFileByRegex(path.join(wasmOutDir, 'um_wasm.d.ts'), [/export default (function __wbg_init)/, 'export $1']),
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replaceBytes(path.join(wasmOutDir, 'um_wasm_bg.wasm'), [
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Buffer.from(homeDir, 'utf-8'),
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Buffer.from(dummyHome, 'utf-8'),
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]),
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copyFile(path.join(__dirname, '../LICENSE_APACHE'), 'LICENSE_APACHE'),
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copyFile(path.join(__dirname, '../LICENSE_MIT'), 'LICENSE_MIT'),
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]);
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// Ask rollup to build bundles.
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await run(['pnpm', 'build:bundle']);
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await run(['pnpm', 'exec', 'prettier', '--ignore-path', '', '-w', 'dist/loader.d.ts']);
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}
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main()
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.catch((err) => {
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console.error(err);
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process.exit(1);
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})
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.then(() => {
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process.exit(0);
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});
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