wehub-resource-sync
139 lines
6.1 KiB
JavaScript
139 lines
6.1 KiB
JavaScript
// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
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// ┃ ██████ ██████ ██████ █ █ █ █ █ █▄ ▀███ █ ┃
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// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█ ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄ ▀█ █ ▀▀▀▀▀ ┃
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// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄ █ ▄▄▄▄▄ ┃
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// ┃ █ ██████ █ ▀█▄ █ ██████ █ ███▌▐███ ███████▄ █ ┃
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// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
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// ┃ Copyright (c) 2017, the Perspective Authors. ┃
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// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
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// ┃ This file is part of the Perspective library, distributed under the terms ┃
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// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
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// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
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const fs = require("fs");
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const path = require("path");
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exports.WasmPlugin = function WasmPlugin(inline, webpack_hack) {
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function setup(build) {
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const options = build.initialOptions;
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options.metafile = true;
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const KEYSET = [];
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build.onResolve({ filter: /\.wasm$/ }, (args) => {
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if (
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args.namespace === "wasm-stub" ||
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args.namespace === "wasm-inline"
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) {
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let entryPoint = args.path;
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if (args.path.startsWith(".")) {
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entryPoint = path.join(
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args.pluginData.resolveDir,
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entryPoint
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);
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}
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return {
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path: entryPoint,
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namespace: "wasm",
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};
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}
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return {
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path: args.path,
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namespace: inline ? "wasm-inline" : "wasm-stub",
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pluginData: {
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resolveDir: args.resolveDir,
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},
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};
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});
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build.onLoad(
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{ filter: /.*/, namespace: "wasm-inline" },
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async (args) => ({
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pluginData: args.pluginData,
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contents: `
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import wasm from ${JSON.stringify(args.path)};
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export default function() {
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return Promise.resolve(wasm.buffer);
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};
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`,
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})
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);
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build.onLoad({ filter: /.*/, namespace: "wasm-stub" }, async (args) => {
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const key = `__PSP_INLINE_WASM__${Math.random()
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.toString()
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.slice(2)}__`;
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KEYSET.push(key);
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const url = webpack_hack ? `${key}(wasm)` : `wasm`;
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return {
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pluginData: args.pluginData,
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contents: `
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import wasm from ${JSON.stringify(args.path)};
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export default function() {
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return fetch(new URL(${url}, import.meta.url));
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};
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`,
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};
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});
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build.onLoad({ filter: /.*/, namespace: "wasm" }, async (args) => {
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const path = require.resolve(args.path);
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const contents = await fs.promises.readFile(path);
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return {
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pluginData: args.pluginData,
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contents,
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loader: inline ? "binary" : "file",
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};
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});
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build.onEnd(({ metafile }) => {
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if (webpack_hack) {
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for (const file of Object.keys(metafile.outputs)) {
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if (file.endsWith(".js")) {
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let contents = fs.readFileSync(file).toString();
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let updated = false;
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for (const key of KEYSET) {
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const symbol = contents.match(
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new RegExp(`${key}\\(([a-zA-Z0-9_\$]+?)\\)`)
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);
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if (symbol?.[1]) {
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updated = true;
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const escapedSymbol = symbol[1].replace(
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/\$/g,
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"\\$"
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);
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const filename = contents.match(
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new RegExp(
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`(?<![a-zA-Z0-9_\$])${escapedSymbol}\\s*?=\\s*?\\"(.+?)\\"`
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)
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);
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contents = contents.replace(
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new RegExp(
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`${key}\\(([a-zA-Z0-9_\$]+?)\\)`,
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"g"
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),
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`"${filename[1]}"`
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);
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}
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}
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if (updated) {
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fs.writeFileSync(file, contents);
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}
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}
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}
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}
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});
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}
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return {
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name: "wasm",
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setup,
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};
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};
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