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- "use strict";
- /*
- Copyright 2019 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.ModuleRegistry = void 0;
- const common_tags_1 = require("common-tags");
- const upath_1 = __importDefault(require("upath"));
- /**
- * Class for keeping track of which Workbox modules are used by the generated
- * service worker script.
- *
- * @private
- */
- class ModuleRegistry {
- /**
- * @private
- */
- constructor() {
- this._modulesUsed = new Map();
- }
- /**
- * @return {Array<string>} A list of all of the import statements that are
- * needed for the modules being used.
- * @private
- */
- getImportStatements() {
- const workboxModuleImports = [];
- for (const [localName, { moduleName, pkg }] of this._modulesUsed) {
- // By default require.resolve returns the resolved path of the 'main'
- // field, which might be deeper than the package root. To work around
- // this, we can find the package's root by resolving its package.json and
- // strip the '/package.json' from the resolved path.
- const pkgJsonPath = require.resolve(`${pkg}/package.json`);
- const pkgRoot = upath_1.default.dirname(pkgJsonPath);
- const importStatement = (0, common_tags_1.oneLine) `import {${moduleName} as ${localName}} from
- '${pkgRoot}/${moduleName}.mjs';`;
- workboxModuleImports.push(importStatement);
- }
- return workboxModuleImports;
- }
- /**
- * @param {string} pkg The workbox package that the module belongs to.
- * @param {string} moduleName The name of the module to import.
- * @return {string} The local variable name that corresponds to that module.
- * @private
- */
- getLocalName(pkg, moduleName) {
- return `${pkg.replace(/-/g, '_')}_${moduleName}`;
- }
- /**
- * @param {string} pkg The workbox package that the module belongs to.
- * @param {string} moduleName The name of the module to import.
- * @return {string} The local variable name that corresponds to that module.
- * @private
- */
- use(pkg, moduleName) {
- const localName = this.getLocalName(pkg, moduleName);
- this._modulesUsed.set(localName, { moduleName, pkg });
- return localName;
- }
- }
- exports.ModuleRegistry = ModuleRegistry;
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