110 lines
4.9 KiB
JavaScript
Executable file
110 lines
4.9 KiB
JavaScript
Executable file
"use strict";
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/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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const core_1 = require("@angular-devkit/core");
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const schematics_1 = require("@angular-devkit/schematics");
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const parse_name_1 = require("../utility/parse-name");
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const paths_1 = require("../utility/paths");
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const workspace_1 = require("../utility/workspace");
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function addSnippet(options) {
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return (host, context) => {
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context.logger.debug('Updating appmodule');
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if (options.path === undefined) {
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return;
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}
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const fileRegExp = new RegExp(`^${options.name}.*\\.ts`);
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const siblingModules = host
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.getDir(options.path)
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.subfiles // Find all files that start with the same name, are ts files,
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// and aren't spec or module files.
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.filter((f) => fileRegExp.test(f) && !/(module|spec)\.ts$/.test(f))
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// Sort alphabetically for consistency.
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.sort();
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if (siblingModules.length === 0) {
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// No module to add in.
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return;
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}
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const siblingModulePath = `${options.path}/${siblingModules[0]}`;
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const logMessage = 'console.log(`page got message: ${data}`);';
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const workerCreationSnippet = core_1.tags.stripIndent `
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if (typeof Worker !== 'undefined') {
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// Create a new
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const worker = new Worker(new URL('./${options.name}.worker', import.meta.url));
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worker.onmessage = ({ data }) => {
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${logMessage}
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};
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worker.postMessage('hello');
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} else {
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// Web Workers are not supported in this environment.
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// You should add a fallback so that your program still executes correctly.
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}
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`;
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// Append the worker creation snippet.
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const originalContent = host.readText(siblingModulePath);
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host.overwrite(siblingModulePath, originalContent + '\n' + workerCreationSnippet);
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return host;
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};
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}
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function default_1(options) {
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return async (host) => {
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const workspace = await (0, workspace_1.getWorkspace)(host);
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if (!options.project) {
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throw new schematics_1.SchematicsException('Option "project" is required.');
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}
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const project = workspace.projects.get(options.project);
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if (!project) {
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throw new schematics_1.SchematicsException(`Invalid project name (${options.project})`);
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}
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const projectType = project.extensions['projectType'];
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if (projectType !== 'application') {
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throw new schematics_1.SchematicsException(`Web Worker requires a project type of "application".`);
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}
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if (options.path === undefined) {
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options.path = (0, workspace_1.buildDefaultPath)(project);
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}
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const parsedPath = (0, parse_name_1.parseName)(options.path, options.name);
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options.name = parsedPath.name;
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options.path = parsedPath.path;
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const templateSourceWorkerCode = (0, schematics_1.apply)((0, schematics_1.url)('./files/worker'), [
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(0, schematics_1.applyTemplates)({ ...options, ...schematics_1.strings }),
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(0, schematics_1.move)(parsedPath.path),
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]);
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const root = project.root || '';
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const templateSourceWorkerConfig = (0, schematics_1.apply)((0, schematics_1.url)('./files/worker-tsconfig'), [
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(0, schematics_1.applyTemplates)({
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...options,
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relativePathToWorkspaceRoot: (0, paths_1.relativePathToWorkspaceRoot)(root),
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}),
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(0, schematics_1.move)(root),
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]);
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return (0, schematics_1.chain)([
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// Add project configuration.
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(0, workspace_1.updateWorkspace)((workspace) => {
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// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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const project = workspace.projects.get(options.project);
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const buildTarget = project.targets.get('build');
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const testTarget = project.targets.get('test');
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if (!buildTarget) {
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throw new Error(`Build target is not defined for this project.`);
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}
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const workerConfigPath = (0, core_1.join)((0, core_1.normalize)(root), 'tsconfig.worker.json');
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(buildTarget.options ??= {}).webWorkerTsConfig ??= workerConfigPath;
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if (testTarget) {
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(testTarget.options ??= {}).webWorkerTsConfig ??= workerConfigPath;
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}
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}),
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// Create the worker in a sibling module.
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options.snippet ? addSnippet(options) : (0, schematics_1.noop)(),
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// Add the worker.
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(0, schematics_1.mergeWith)(templateSourceWorkerCode),
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(0, schematics_1.mergeWith)(templateSourceWorkerConfig),
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]);
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};
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}
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exports.default = default_1;
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