@schematics/angular/service-worker/index.js

Schematics specific to Angular

"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;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (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 });
const core_1 = require("@angular-devkit/core");
const schematics_1 = require("@angular-devkit/schematics");
const tasks_1 = require("@angular-devkit/schematics/tasks");
const ts = __importStar(require("../third_party/github.com/Microsoft/TypeScript/lib/typescript"));
const ast_utils_1 = require("../utility/ast-utils");
const change_1 = require("../utility/change");
const dependencies_1 = require("../utility/dependencies");
const ng_ast_utils_1 = require("../utility/ng-ast-utils");
const paths_1 = require("../utility/paths");
const project_targets_1 = require("../utility/project-targets");
const workspace_1 = require("../utility/workspace");
function addDependencies() {
    return (host, context) => {
        const packageName = '@angular/service-worker';
        context.logger.debug(`adding dependency (${packageName})`);
        const coreDep = (0, dependencies_1.getPackageJsonDependency)(host, '@angular/core');
        if (coreDep === null) {
            throw new schematics_1.SchematicsException('Could not find version.');
        }
        const serviceWorkerDep = {
            ...coreDep,
            name: packageName,
        };
        (0, dependencies_1.addPackageJsonDependency)(host, serviceWorkerDep);
        return host;
    };
}
function updateAppModule(mainPath) {
    return (host, context) => {
        context.logger.debug('Updating appmodule');
        const modulePath = (0, ng_ast_utils_1.getAppModulePath)(host, mainPath);
        context.logger.debug(`module path: ${modulePath}`);
        // add import
        let moduleSource = getTsSourceFile(host, modulePath);
        let importModule = 'ServiceWorkerModule';
        let importPath = '@angular/service-worker';
        if (!(0, ast_utils_1.isImported)(moduleSource, importModule, importPath)) {
            const change = (0, ast_utils_1.insertImport)(moduleSource, modulePath, importModule, importPath);
            if (change) {
                const recorder = host.beginUpdate(modulePath);
                (0, change_1.applyToUpdateRecorder)(recorder, [change]);
                host.commitUpdate(recorder);
            }
        }
        // add import for environments
        // import { environment } from '../environments/environment';
        moduleSource = getTsSourceFile(host, modulePath);
        const environmentExportName = (0, ast_utils_1.getEnvironmentExportName)(moduleSource);
        // if environemnt import already exists then use the found one
        // otherwise use the default name
        importModule = environmentExportName || 'environment';
        // TODO: dynamically find environments relative path
        importPath = '../environments/environment';
        if (!environmentExportName) {
            // if environment import was not found then insert the new one
            // with default path and default export name
            const change = (0, ast_utils_1.insertImport)(moduleSource, modulePath, importModule, importPath);
            if (change) {
                const recorder = host.beginUpdate(modulePath);
                (0, change_1.applyToUpdateRecorder)(recorder, [change]);
                host.commitUpdate(recorder);
            }
        }
        // register SW in application module
        const importText = core_1.tags.stripIndent `
      ServiceWorkerModule.register('ngsw-worker.js', {
        enabled: ${importModule}.production,
        // Register the ServiceWorker as soon as the application is stable
        // or after 30 seconds (whichever comes first).
        registrationStrategy: 'registerWhenStable:30000'
      })
    `;
        moduleSource = getTsSourceFile(host, modulePath);
        const metadataChanges = (0, ast_utils_1.addSymbolToNgModuleMetadata)(moduleSource, modulePath, 'imports', importText);
        if (metadataChanges) {
            const recorder = host.beginUpdate(modulePath);
            (0, change_1.applyToUpdateRecorder)(recorder, metadataChanges);
            host.commitUpdate(recorder);
        }
        return host;
    };
}
function getTsSourceFile(host, path) {
    const buffer = host.read(path);
    if (!buffer) {
        throw new schematics_1.SchematicsException(`Could not read file (${path}).`);
    }
    const content = buffer.toString();
    const source = ts.createSourceFile(path, content, ts.ScriptTarget.Latest, true);
    return source;
}
function default_1(options) {
    return async (host, context) => {
        const workspace = await (0, workspace_1.getWorkspace)(host);
        const project = workspace.projects.get(options.project);
        if (!project) {
            throw new schematics_1.SchematicsException(`Invalid project name (${options.project})`);
        }
        if (project.extensions.projectType !== 'application') {
            throw new schematics_1.SchematicsException(`Service worker requires a project type of "application".`);
        }
        const buildTarget = project.targets.get('build');
        if (!buildTarget) {
            throw (0, project_targets_1.targetBuildNotFoundError)();
        }
        const buildOptions = (buildTarget.options || {});
        const root = project.root;
        buildOptions.serviceWorker = true;
        buildOptions.ngswConfigPath = (0, core_1.join)((0, core_1.normalize)(root), 'ngsw-config.json');
        let { resourcesOutputPath = '' } = buildOptions;
        if (resourcesOutputPath) {
            resourcesOutputPath = (0, core_1.normalize)(`/${resourcesOutputPath}`);
        }
        const templateSource = (0, schematics_1.apply)((0, schematics_1.url)('./files'), [
            (0, schematics_1.applyTemplates)({
                ...options,
                resourcesOutputPath,
                relativePathToWorkspaceRoot: (0, paths_1.relativePathToWorkspaceRoot)(project.root),
            }),
            (0, schematics_1.move)(project.root),
        ]);
        context.addTask(new tasks_1.NodePackageInstallTask());
        return (0, schematics_1.chain)([
            (0, schematics_1.mergeWith)(templateSource),
            (0, workspace_1.updateWorkspace)(workspace),
            addDependencies(),
            updateAppModule(buildOptions.main),
        ]);
    };
}
exports.default = default_1;