mirror of https://github.com/webpack/webpack.git
93 lines
2.1 KiB
JavaScript
93 lines
2.1 KiB
JavaScript
"use strict";
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const fs = require("fs");
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const path = require("path");
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// When --write is set, files will be written in place
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// Otherwise it only prints outdated files
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const doWrite = process.argv.includes("--write");
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const files = ["lib/util/hash/xxhash64.js", "lib/util/hash/md4.js"];
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(async () => {
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// TODO: fix me after update typescript to v5
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// eslint-disable-next-line no-warning-comments
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// @ts-ignore
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// eslint-disable-next-line import/no-unresolved, n/no-unsupported-features/es-syntax
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const asc = (await import("assemblyscript/asc")).default;
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for (const file of files) {
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const filePath = path.resolve(__dirname, "..", file);
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const content = fs.readFileSync(filePath, "utf8");
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const regexp =
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/\n\/\/[\s]*#region wasm code: (.+) \((.+)\)(.*)\n[\s\S]+?\/\/[\s+]*#endregion\n/g;
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const replaces = new Map();
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let match = regexp.exec(content);
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while (match) {
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const [fullMatch, identifier, name, flags] = match;
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const sourcePath = path.resolve(filePath, "..", name);
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const sourcePathBase = path.join(
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path.dirname(sourcePath),
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path.basename(sourcePath)
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);
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const { error } = await asc.main(
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[
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sourcePath,
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// cspell:word Ospeed
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"-Ospeed",
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"--noAssert",
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"--converge",
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"--textFile",
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`${sourcePathBase}.wat`,
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"--outFile",
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`${sourcePathBase}.wasm`,
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...flags.split(" ").filter(Boolean)
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],
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{
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stdout: process.stdout,
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stderr: process.stderr
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}
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);
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if (error) {
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throw error;
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}
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const wasm = fs.readFileSync(`${sourcePathBase}.wasm`);
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replaces.set(
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fullMatch,
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`
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// #region wasm code: ${identifier} (${name})${flags}
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const ${identifier} = new WebAssembly.Module(
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Buffer.from(
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// ${wasm.length} bytes
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${JSON.stringify(wasm.toString("base64"))},
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"base64"
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)
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);
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// #endregion
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`
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);
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match = regexp.exec(content);
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}
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const newContent = content.replace(regexp, (match) => replaces.get(match));
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if (newContent !== content) {
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if (doWrite) {
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fs.writeFileSync(filePath, newContent, "utf8");
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console.error(`${file} updated`);
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} else {
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console.error(`${file} need to be updated`);
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process.exitCode = 1;
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}
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}
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}
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})();
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