"use strict";
/*
  Copyright 2018 Google LLC

  Use of this source code is governed by an MIT-style
  license that can be found in the LICENSE file or at
  https://opensource.org/licenses/MIT.
*/
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.copyWorkboxLibraries = void 0;
const fs_extra_1 = __importDefault(require("fs-extra"));
const upath_1 = __importDefault(require("upath"));
const errors_1 = require("./errors");
// Used to filter the libraries to copy based on our package.json dependencies.
const WORKBOX_PREFIX = 'workbox-';
// The directory within each package containing the final bundles.
const BUILD_DIR = 'build';
/**
 * This copies over a set of runtime libraries used by Workbox into a
 * local directory, which should be deployed alongside your service worker file.
 *
 * As an alternative to deploying these local copies, you could instead use
 * Workbox from its official CDN URL.
 *
 * This method is exposed for the benefit of developers using
 * {@link workbox-build.injectManifest} who would
 * prefer not to use the CDN copies of Workbox. Developers using
 * {@link workbox-build.generateSW} don't need to
 * explicitly call this method.
 *
 * @param {string} destDirectory The path to the parent directory under which
 * the new directory of libraries will be created.
 * @return {Promise<string>} The name of the newly created directory.
 *
 * @alias workbox-build.copyWorkboxLibraries
 */
async function copyWorkboxLibraries(destDirectory) {
    // eslint-disable-next-line  @typescript-eslint/no-unsafe-assignment
    const thisPkg = require('../../package.json');
    // Use the version string from workbox-build in the name of the parent
    // directory. This should be safe, because lerna will bump workbox-build's
    // pkg.version whenever one of the dependent libraries gets bumped, and we
    // care about versioning the dependent libraries.
    const workboxDirectoryName = `workbox-v${thisPkg.version ? thisPkg.version : ''}`;
    const workboxDirectoryPath = upath_1.default.join(destDirectory, workboxDirectoryName);
    await fs_extra_1.default.ensureDir(workboxDirectoryPath);
    const copyPromises = [];
    const librariesToCopy = Object.keys(thisPkg.dependencies || {}).filter((dependency) => dependency.startsWith(WORKBOX_PREFIX));
    for (const library of librariesToCopy) {
        // Get the path to the package on the user's filesystem by require-ing
        // the package's `package.json` file via the node resolution algorithm.
        const libraryPath = upath_1.default.dirname(require.resolve(`${library}/package.json`));
        const buildPath = upath_1.default.join(libraryPath, BUILD_DIR);
        // fse.copy() copies all the files in a directory, not the directory itself.
        // See https://github.com/jprichardson/node-fs-extra/blob/master/docs/copy.md#copysrc-dest-options-callback
        copyPromises.push(fs_extra_1.default.copy(buildPath, workboxDirectoryPath));
    }
    try {
        await Promise.all(copyPromises);
        return workboxDirectoryName;
    }
    catch (error) {
        throw Error(`${errors_1.errors['unable-to-copy-workbox-libraries']} ${error instanceof Error ? error.toString() : ''}`);
    }
}
exports.copyWorkboxLibraries = copyWorkboxLibraries;