@angular-devkit/build-optimizer/src/build-optimizer/rollup-plugin.js

"use strict";
/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * @fileoverview This adapts the buildOptimizer to run over each file as it is
 * processed by Rollup. We must do this since buildOptimizer expects to see the
 * ESModules in the input sources, and therefore cannot run on the rollup output
 */
const path = __importStar(require("path"));
const build_optimizer_1 = require("./build-optimizer");
const DEBUG = false;
function optimizer(options) {
    // Normalize paths for comparison.
    if (options.sideEffectFreeModules) {
        options.sideEffectFreeModules = options.sideEffectFreeModules.map((p) => p.replace(/\\/g, '/'));
    }
    return {
        name: 'build-optimizer',
        transform: (content, id) => {
            const normalizedId = id.replace(/\\/g, '/');
            const isSideEffectFree = options.sideEffectFreeModules &&
                options.sideEffectFreeModules.some((m) => normalizedId.indexOf(m) >= 0);
            const isAngularCoreFile = options.angularCoreModules &&
                options.angularCoreModules.some((m) => normalizedId.indexOf(m) >= 0);
            const { content: code, sourceMap: map } = build_optimizer_1.buildOptimizer({
                content,
                inputFilePath: id,
                emitSourceMap: true,
                isSideEffectFree,
                isAngularCoreFile,
            });
            if (!code) {
                if (DEBUG) {
                    // eslint-disable-next-line no-console
                    console.error('no transforms produced by buildOptimizer for ' + path.relative(process.cwd(), id));
                }
                return null;
            }
            if (!map) {
                throw new Error('no sourcemap produced by buildOptimizer');
            }
            return { code, map };
        },
    };
}
exports.default = optimizer;