71 lines
2.6 KiB
JavaScript
71 lines
2.6 KiB
JavaScript
"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;
|