@pika/plugin-bundle-web/dist-src/index.js

import rollupCommonJs from 'rollup-plugin-commonjs';
import rollupJson from 'rollup-plugin-json';
import rollupNodeResolve from 'rollup-plugin-node-resolve';
import { terser as rollupTerser } from 'rollup-plugin-terser';
import rollupBabel from 'rollup-plugin-babel';
import babelPluginDynamicImportSyntax from '@babel/plugin-syntax-dynamic-import';
import babelPluginImportMetaSyntax from '@babel/plugin-syntax-import-meta';
import babelPresetEnv from '@babel/preset-env';
import path from 'path';
import fs from 'fs';
import { MessageError } from '@pika/types';
import { rollup } from 'rollup';
const DEFAULT_ENTRYPOINT = 'browser';
export async function beforeJob({ out }) {
    const srcDirectory = path.join(out, 'dist-web/');
    if (!fs.existsSync(srcDirectory)) {
        throw new MessageError('"dist-web/" does not exist. "plugin-bundle-web" requires "plugin-build-dev" to precede in pipeline.');
    }
    const srcEntrypoint = path.join(out, 'dist-web/index.js');
    if (!fs.existsSync(srcEntrypoint)) {
        throw new MessageError('"dist-web/index.js" is the expected standard entrypoint, but it does not exist.');
    }
}
export function manifest(manifest, { options }) {
    if (options.entrypoint !== null) {
        let keys = options.entrypoint || [DEFAULT_ENTRYPOINT];
        if (typeof keys === 'string') {
            keys = [keys];
        }
        for (const key of keys) {
            manifest[key] = manifest[key] || 'dist-web/index.bundled.js';
        }
    }
}
export async function build({ out, options, reporter }) {
    const readFromWeb = path.join(out, 'dist-web', 'index.js');
    const writeToWeb = path.join(out, 'dist-web');
    const writeToWebBundled = path.join(writeToWeb, 'index.bundled.js');
    const result = await rollup({
        input: readFromWeb,
        plugins: [
            rollupNodeResolve({
                preferBuiltins: true,
                browser: !!options.browser,
            }),
            rollupCommonJs({
                include: 'node_modules/**',
                sourceMap: false,
                namedExports: options.namedExports,
            }),
            rollupJson({
                include: 'node_modules/**',
                compact: true,
            }),
            rollupBabel({
                babelrc: false,
                compact: false,
                presets: [
                    [
                        babelPresetEnv,
                        {
                            modules: false,
                            targets: options.targets || { esmodules: true },
                        },
                    ],
                ],
                plugins: [babelPluginDynamicImportSyntax, babelPluginImportMetaSyntax],
            }),
            options.minify !== false ? rollupTerser(typeof options.minify === 'object' ? options.minify : undefined) : {},
        ],
    });
    await result.write({
        dir: writeToWeb,
        entryFileNames: '[name].bundled.js',
        chunkFileNames: '[name]-[hash].bundled.js',
        format: 'esm',
        exports: 'named',
        sourcemap: options.sourcemap === undefined ? true : options.sourcemap,
    });
    reporter.created(writeToWebBundled);
}