ng-packagr/src/lib/flatten/rolldown.js

Compile and package Angular libraries in Angular Package Format (APF)

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.rolldownBundleFile = rolldownBundleFile;
const node_path_1 = require("node:path");
const rolldown_1 = require("rolldown");
const rolldown_plugin_dts_1 = require("rolldown-plugin-dts");
const log_1 = __importDefault(require("../utils/log"));
const file_loader_plugin_1 = require("./file-loader-plugin");
/** Runs rolldown over the given entry file, writes a bundle file. */
async function rolldownBundleFile(opts) {
    log_1.default.debug(`rolldown ${opts.entry} to ${opts.dir}`);
    const dtsMode = opts.entry.endsWith('.d.ts');
    let outExtension;
    let plugins;
    const jail = (0, node_path_1.dirname)(opts.entry);
    if (dtsMode) {
        outExtension = '.d.ts';
        plugins = [
            (0, file_loader_plugin_1.fileLoaderPlugin)(opts.fileCache, ['.d.ts', '/index.d.ts'], dtsMode),
            (0, rolldown_plugin_dts_1.dts)({ dtsInput: true, tsconfig: false, generator: 'oxc', sourcemap: opts.sourcemap }),
        ];
    }
    else {
        outExtension = '.mjs';
        plugins = [(0, file_loader_plugin_1.fileLoaderPlugin)(opts.fileCache, ['.js', '/index.js'], dtsMode)];
    }
    // Create the bundle
    const bundle = await (0, rolldown_1.rolldown)({
        context: 'this',
        external: (moduleId, parentId) => isExternalDependency(moduleId, parentId, jail),
        input: opts.entry,
        plugins,
        checks: {
            circularDependency: false,
        },
        onwarn: warning => {
            switch (warning.code) {
                case 'CIRCULAR_DEPENDENCY':
                case 'UNUSED_EXTERNAL_IMPORT':
                case 'THIS_IS_UNDEFINED':
                case 'EMPTY_BUNDLE':
                    break;
                default:
                    log_1.default.warn(warning.message);
                    break;
            }
        },
        experimental: {
            attachDebugInfo: 'none',
        },
        resolve: {
            symlinks: false,
        },
        // Disable treeshaking when generating bundles
        // see: https://github.com/angular/angular/pull/32069
        treeshake: false,
    });
    // Output the bundle to disk
    const output = await bundle.write({
        name: opts.moduleName,
        format: 'es',
        dir: opts.dir,
        hoistTransitiveImports: false,
        chunkFileNames: `${opts.entryName}-[name]-[hash]${outExtension}`,
        entryFileNames: opts.entryName + outExtension,
        banner: '',
        sourcemap: opts.sourcemap,
        comments: {
            legal: true,
            annotation: !dtsMode,
            jsdoc: dtsMode,
        },
    });
    // Close the bundle to let plugins clean up their external processes or services
    await bundle.close();
    return {
        files: output.output,
    };
}
function isExternalDependency(moduleId, parentId, jail) {
    // more information about why we don't check for 'node_modules' path
    // https://github.com/rollup/rollup-plugin-node-resolve/issues/110#issuecomment-350353632
    if (moduleId[0] === '.' || moduleId[0] === '/' || (0, node_path_1.isAbsolute)(moduleId)) {
        // if it's either 'absolute', marked to embed, starts with a '.' or '/' or is the umd bundle and is tslib
        return !parentId || !(0, node_path_1.join)(parentId, moduleId).startsWith(jail);
    }
    return true;
}
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