Quelle bundle.js Sprache: JAVA

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */

const path = require("path");
const { rollup } = require("rollup");
const nodeResolve = require("@rollup/plugin-node-resolve");
const commonjs = require("@rollup/plugin-commonjs");
const injectProcessEnv = require("rollup-plugin-inject-process-env");
const nodePolyfills = require("rollup-plugin-node-polyfills");

const projectPath = path.resolve(__dirname, "..");
const bundlePath = path.join(projectPath, "./dist");

process.env.NODE_ENV = "production";

function getEntry(filename) {
  return path.join(__dirname, "..", filename);
}

/**
* The `bundle` module will build the following:
* - parser-worker.js, pretty-print-worker.js, search-worker:
*     Workers used only by the debugger.
*     Sources at devtools/client/debugger/src/workers/*
*/
(async function bundle() {
  const rollupSucceeded = await bundleRollup();
  process.exit(rollupSucceeded ? 0 : 1);
})();

/**
* Generates all dist/*-worker.js files
*/
async function bundleRollup() {
  console.log(`[bundle|rollup] Start bundling…`);

  let success = true;

  // We need to handle workers 1 by 1 to be able to generate umd bundles.
  const entries = {
    "parser-worker": getEntry("src/workers/parser/worker.js"),
    "pretty-print-worker": getEntry("src/workers/pretty-print/worker.js"),
    "search-worker": getEntry("src/workers/search/worker.js"),
  };

  for (const [entryName, input] of Object.entries(entries)) {
    let bundle;
    try {
      // create a bundle
      bundle = await rollup({
        input: {
          [entryName]: input,
        },
        plugins: [
          commonjs({
            transformMixedEsModules: true,
            strictRequires: true,
          }),
          injectProcessEnv({ NODE_ENV: "production" }),
          nodeResolve(),
          // read-wasm.js is part of source-map and is only for Node environment.
          // we need to ignore it, otherwise __dirname is inlined with the path the bundle
          // is generated from, which makes the verify-bundle task fail
          nodePolyfills({ exclude: [/read-wasm\.js/] }),
        ],
      });
      await bundle.write({
        dir: bundlePath,
        entryFileNames: "[name].js",
        format: "umd",
      });
    } catch (error) {
      success = false;
      // do some error reporting
      console.error("[bundle|rollup] Something went wrong.", error);
    }
    if (bundle) {
      // closes the bundle
      await bundle.close();
    }
  }

  console.log(`[bundle|rollup] Done bundling`);
  return success;
}

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