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schematics.ts
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schematics.ts
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import { Rule, chain, Tree, SchematicContext, externalSchematic } from '@angular-devkit/schematics';
import { updateProject, addDependencyToPackageJson, getAppEntryModule,
addImportStatement, getDistFolder,
getRelativePath, getNgToolkitInfo,
updateNgToolkitInfo, applyAndLog,
getMainFilePath,
getBrowserDistFolder,
addToNgModule,
removeFromNgModule,
getAngularVersion,
getBootStrapComponent, addDependencyInjection,
createOrOverwriteFile} from '@ng-toolkit/_utils';
import { getFileContent } from '@schematics/angular/utility/test';
import { NodePackageInstallTask } from '@angular-devkit/schematics/tasks';
import * as bugsnag from 'bugsnag';
import * as ts from 'typescript';
export default function index(options: any): Rule {
bugsnag.register('0b326fddc255310e516875c9874fed91');
bugsnag.onBeforeNotify((notification) => {
let metaData = notification.events[0].metaData;
metaData.subsystem = {
package: 'universal',
options: options
};
});
// const templateSource = apply(url('files'), [
// move(options.directory),
// ]);
let rule: Rule = chain([
tree => {
const packageJsonSource = JSON.parse(getFileContent(tree, `${options.directory}/package.json`));
if (packageJsonSource.dependencies['@ng-toolkit/serverless']) {
tree.delete(`${options.directory}/local.js`);
tree.delete(`${options.directory}/server.ts`);
tree.delete(`${options.directory}/webpack.server.config.js`);
}
},
// mergeWith(templateSource, MergeStrategy.Overwrite),
(tree: Tree, context: SchematicContext) => {
const angularVersion = getAngularVersion(tree, options);
console.log(angularVersion);
// console.log(/[~|^|](\d*)\./.exec(angularVersion)[0]);
let angularMajor;
const regexResult = /[~|^|](\d*)\./.exec(angularVersion);
if (regexResult) {
angularMajor = regexResult[1];
} else {
angularMajor = '7';
}
console.log(angularMajor);
createFiles(tree, options);
// update project name
updateProject(tree, options);
// add dependencies
addDependencyToPackageJson(tree, options, '@angular/platform-browser', angularVersion);
addDependencyToPackageJson(tree, options, '@angular/platform-server', angularVersion);
addDependencyToPackageJson(tree, options, '@angular/http', angularVersion);
addDependencyToPackageJson(tree, options, '@nguniversal/module-map-ngfactory-loader', `~${angularMajor}.0.0`);
addDependencyToPackageJson(tree, options, 'webpack-cli', '^3.1.2');
addDependencyToPackageJson(tree, options, 'ts-loader', '4.2.0');
addDependencyToPackageJson(tree, options, '@nguniversal/express-engine', `~${angularMajor}.0.0`);
addDependencyToPackageJson(tree, options, '@nguniversal/common', `~${angularMajor}.0.0`);
addDependencyToPackageJson(tree, options, 'cors', '~2.8.4');
// update CLI config
const distFolder = getDistFolder(tree, options);
const cliConfig: any = JSON.parse(getFileContent(tree, `${options.directory}/angular.json`));
cliConfig.projects[options.project].architect.build.options.outputPath = `${distFolder}/browser`
cliConfig.projects[options.project].architect.server =
{
"builder": "@angular-devkit/build-angular:server",
"options": {
"outputPath": `${distFolder}/server`,
"main": `src/main.server.ts`,
"tsConfig": "src/tsconfig.server.json"
}
};
tree.overwrite(`${options.directory}/angular.json`, JSON.stringify(cliConfig, null, " "));
// manipulate entry modules
// add proper module
const entryModule = getAppEntryModule(tree, options);
const serverModulePath = `${options.directory}/src/app/app.server.module.ts`;
addImportStatement(tree, serverModulePath, entryModule.moduleName, getRelativePath(serverModulePath, entryModule.filePath));
addToNgModule(tree, serverModulePath, 'imports', entryModule.moduleName);
const browserModulePath = `${options.directory}/src/app/app.browser.module.ts`;
// add bootstrap component
const bootstrapComponents = getBootStrapComponent(tree, entryModule.filePath);
bootstrapComponents.forEach(bootstrapComponent => {
addImportStatement(tree, serverModulePath, bootstrapComponent.component, getRelativePath(serverModulePath, bootstrapComponent.filePath));
addToNgModule(tree, serverModulePath, 'bootstrap', bootstrapComponent.component);
addToNgModule(tree, serverModulePath, 'imports', `BrowserModule.withServerTransition({appId: '${bootstrapComponent.appId}'})`);
// manipulate browser module
addImportStatement(tree, browserModulePath, entryModule.moduleName, getRelativePath(browserModulePath, entryModule.filePath));
addToNgModule(tree, browserModulePath, 'imports', entryModule.moduleName);
addToNgModule(tree, browserModulePath, 'imports', 'BrowserTransferStateModule');
addImportStatement(tree, browserModulePath, 'BrowserTransferStateModule', '@angular/platform-browser');
addToNgModule(tree, browserModulePath, 'imports', `BrowserModule.withServerTransition({appId: '${bootstrapComponent.appId}'})`);
addToNgModule(tree, browserModulePath, 'bootstrap', bootstrapComponent.component);
addImportStatement(tree, browserModulePath, bootstrapComponent.component, getRelativePath(browserModulePath, bootstrapComponent.filePath));
});
// manipulate old entry module
if (options.http) {
addToNgModule(tree, entryModule.filePath, 'imports', 'TransferHttpCacheModule,\nHttpClientModule');
addImportStatement(tree, entryModule.filePath, 'TransferHttpCacheModule', '@nguniversal/common');
addImportStatement(tree, entryModule.filePath, 'HttpClientModule', '@angular/common/http');
}
addToNgModule(tree, entryModule.filePath, 'imports', 'CommonModule,\nNgtUniversalModule');
removeFromNgModule(tree, entryModule.filePath, 'imports', 'BrowserModule')
removeFromNgModule(tree, entryModule.filePath, 'bootstrap');
addImportStatement(tree, entryModule.filePath, 'CommonModule', '@angular/common');
addImportStatement(tree, entryModule.filePath, 'NgtUniversalModule', '@ng-toolkit/universal');
// update main file
const mainFilePath = getMainFilePath(tree, options);
const entryFileSource: string = getFileContent(tree, `${options.directory}/${mainFilePath}`);
tree.overwrite(`${options.directory}/${mainFilePath}`, entryFileSource.replace(
new RegExp(`platformBrowserDynamic\\(\\).bootstrapModule\\(.*\\)[\\s\\S]*.catch\\(.*\\);`),
`document.addEventListener('DOMContentLoaded', () => {
platformBrowserDynamic()
.bootstrapModule(AppBrowserModule)
.catch(err => console.log(err));
});`
));
addImportStatement(tree, `${options.directory}/${mainFilePath}`, 'AppBrowserModule', getRelativePath(mainFilePath, browserModulePath));
// upate server.ts and local.js and webpack config with proper dist folder
tree.overwrite(`${options.directory}/server.ts`, getFileContent(tree, `${options.directory}/server.ts`).replace(/__distFolder__/g, distFolder).replace(/__browserDistFolder__/g, getBrowserDistFolder(tree, options)));
tree.overwrite(`${options.directory}/local.js`, getFileContent(tree, `${options.directory}/local.js`).replace(/__distFolder__/g, distFolder));
tree.overwrite(`${options.directory}/webpack.server.config.js`, getFileContent(tree, `${options.directory}/webpack.server.config.js`).replace(/__distFolder__/g, distFolder));
//add scripts
addOrReplaceScriptInPackageJson(tree, options, "build:server:prod", `ng run ${options.project}:server && webpack --config webpack.server.config.js --progress --colors`);
addOrReplaceScriptInPackageJson(tree, options, "build:browser:prod", "ng build --prod");
addOrReplaceScriptInPackageJson(tree, options, "build:prod", "npm run build:server:prod && npm run build:browser:prod");
addOrReplaceScriptInPackageJson(tree, options, "server", "node local.js");
// search for 'window' occurences and replace them with injected Window instance
tree.getDir(cliConfig.projects[options.project].sourceRoot).visit(visitor => {
if (visitor.endsWith('.ts')) {
let fileContent = getFileContent(tree, visitor);
if (fileContent.match(/class.*{[\s\S]*?((?:[()'"`\s])localStorage)/)) {
addDependencyInjection(tree, visitor, 'localStorage', 'any', '@ng-toolkit/universal', 'LOCAL_STORAGE');
updateCode(tree, visitor, 'localStorage');
fileContent = getFileContent(tree, visitor);
}
if (fileContent.match(/class.*{[\s\S]*?((?:[()'"`\s])window)/)) {
addDependencyInjection(tree, visitor, 'window', 'Window', '@ng-toolkit/universal', 'WINDOW');
updateCode(tree, visitor, 'window');
}
// if (fileContent.match(/class.*{[\s\S]*?((?:[()'"`\s])document)/)) {
// addDependencyInjection(tree, visitor, 'document', 'Document', '@ng-toolkit/universal', 'NGT_DOCUMENT');
// updateCode(tree, visitor, 'document');
// }
}
});
// add installation task
if (!options.skipInstall) {
context.addTask(new NodePackageInstallTask(options.directory));
}
//applying other schematics (if installed)
const ngToolkitSettings = getNgToolkitInfo(tree, options);
ngToolkitSettings.universal = options;
updateNgToolkitInfo(tree, options, ngToolkitSettings);
let externals: Rule[] = [];
if (ngToolkitSettings.serverless) {
ngToolkitSettings.serverless.directory = options.directory;
ngToolkitSettings.serverless.skipInstall = true;
externals.push(externalSchematic('@ng-toolkit/serverless', 'ng-add', ngToolkitSettings.serverless));
} else if(tree.exists(`${options.directory}/.firebaserc`)) {
ngToolkitSettings.serverless = {};
ngToolkitSettings.serverless.directory = options.directory;
ngToolkitSettings.serverless.skipInstall = true;
ngToolkitSettings.serverless.provider = 'firebase';
addDependencyToPackageJson(tree, options, '@ng-toolkit/serverless', '1.1.28');
externals.push(externalSchematic('@ng-toolkit/serverless', 'ng-add', ngToolkitSettings.serverless));
}
if (cliConfig.projects[options.project].architect.build.configurations.production.serviceWorker) {
if (!ngToolkitSettings.pwa) {
ngToolkitSettings.pwa = {};
}
ngToolkitSettings.pwa.directory = options.directory;
ngToolkitSettings.pwa.skipInstall = true;
externals.push(externalSchematic('@ng-toolkit/pwa', 'ng-add', ngToolkitSettings.pwa));
}
if (externals.length > 0) {
return chain(externals)(tree, context);
}
return tree;
}
]);
if (!options.disableBugsnag) {
return applyAndLog(rule);
} else {
return rule;
}
}
function addOrReplaceScriptInPackageJson(tree: Tree, options: any, name: string, script: string) {
const packageJsonSource = JSON.parse(getFileContent(tree, `${options.directory}/package.json`));
packageJsonSource.scripts[name] = script;
tree.overwrite(`${options.directory}/package.json`, JSON.stringify(packageJsonSource, null, " "));
}
function findStatements(tree: Tree, node: ts.Node, filePath: string, subject: string, replacement: string, toReplace: any[]){
let fileContent = getFileContent(tree, filePath);
node.forEachChild(node => {
if (ts.isIdentifier(node)) {
let statement = fileContent.substr(node.pos, node.end - node.pos);
let index = statement.indexOf(subject);
if (index >= 0) {
toReplace.push({key: replacement, start: node.pos + index, end: node.end});
}
}
else {
findStatements(tree, node, filePath, subject, replacement, toReplace);
}
});
}
function updateCode(tree: Tree, filePath: string, varName: string) {
let fileContent = getFileContent(tree, filePath);
let sourceFile: ts.SourceFile = ts.createSourceFile('temp.ts', fileContent, ts.ScriptTarget.Latest);
sourceFile.forEachChild(node => {
if (ts.isClassDeclaration(node)) {
let replacementTable: any[] = [];
node.members.forEach(node => {
if (ts.isMethodDeclaration(node)) {
(node.body as ts.Block).statements.forEach(statement => {
findStatements(tree, statement, filePath, varName, `this.${varName}`, replacementTable);
})
}
});
replacementTable.reverse().forEach(element => {
fileContent = fileContent.substr(0, element.start) + element.key + fileContent.substr(element.end);
});
createOrOverwriteFile(tree, filePath, fileContent);
}
});
}
function createFiles(tree: Tree, options: any) {
createOrOverwriteFile(tree, `${options.directory}/local.js`, `// generated by @ng-toolkit/universal
const port = process.env.PORT || 8080;
const server = require('./__distFolder__/server');
server.app.listen(port, () => {
console.log("Listening on: http://localhost:" + port );
});
`);
createOrOverwriteFile(tree,`${options.directory}/server.ts`, `import 'zone.js/dist/zone-node';
import 'reflect-metadata';
import {enableProdMode} from '@angular/core';
import {ngExpressEngine} from '@nguniversal/express-engine';
import {provideModuleMap} from '@nguniversal/module-map-ngfactory-loader';
import * as express from 'express';
import * as bodyParser from 'body-parser';
import * as cors from 'cors';
import * as compression from 'compression';
import {join} from 'path';
enableProdMode();
export const app = express();
app.use(compression());
app.use(cors());
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
// const DIST_FOLDER = join(process.cwd(), '__distFolder__');
const {AppServerModuleNgFactory, LAZY_MODULE_MAP} = require('./__distFolder__/server/main');
app.engine('html', ngExpressEngine({
bootstrap: AppServerModuleNgFactory,
providers: [
provideModuleMap(LAZY_MODULE_MAP)
]
}));
app.set('view engine', 'html');
app.set('views', './__browserDistFolder__');
app.get('/redirect/**', (req, res) => {
const location = req.url.substring(10);
res.redirect(301, location);
});
app.get('*.*', express.static('./__browserDistFolder__', {
maxAge: '1y'
}));
app.get('/*', (req, res) => {
res.render('index', {req, res}, (err, html) => {
if (html) {
res.send(html);
} else {
console.error(err);
res.send(err);
}
});
});
`);
createOrOverwriteFile(tree,`${options.directory}/webpack.server.config.js`, `
// Work around for https://github.com/angular/angular-cli/issues/7200
const path = require('path');
const webpack = require('webpack');
module.exports = {
entry: {
server: './server.ts',
},
target: 'node',
resolve: { extensions: ['.ts', '.js'] },
externals: [/(node_modules|main\\\..*\\.js)/,],
output: {
libraryTarget: 'commonjs2',
path: path.join(__dirname, '__distFolder__'),
filename: '[name].js'
},
module: {
rules: [
{ test: /\\.ts$/, loader: 'ts-loader' }
]
},
optimization: {
minimize: false
},
plugins: [
new webpack.ContextReplacementPlugin(
// fixes WARNING Critical dependency: the request of a dependency is an expression
/(.+)?angular(\\\\|\\/)core(.+)?/,
path.join(__dirname, 'src'), // location of your src
{} // a map of your routes
),
new webpack.ContextReplacementPlugin(
// fixes WARNING Critical dependency: the request of a dependency is an expression
/(.+)?express(\\\\|\\/)(.+)?/,
path.join(__dirname, 'src'),
{}
)
]
}
`);
createOrOverwriteFile(tree,`${options.directory}/src/main.server.ts`, `import { enableProdMode } from '@angular/core';
import { environment } from './environments/environment';
if (environment.production) {
enableProdMode();
}
export {AppServerModule} from './app/app.server.module';
`);
createOrOverwriteFile(tree,`${options.directory}/src/tsconfig.server.json`, `{
"extends": "../tsconfig.json",
"compilerOptions": {
"outDir": "../out-tsc/app",
"baseUrl": "./",
"module": "commonjs",
"types": [
"node"
]
},
"exclude": [
"test.ts",
"**/*.spec.ts"
],
"angularCompilerOptions": {
"entryModule": "app/app.server.module#AppServerModule"
},
"include": [
"**/*.ts"
]
}
`);
createOrOverwriteFile(tree,`${options.directory}/src/app/app.browser.module.ts`, `import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
@NgModule({
imports: [
]
})
export class AppBrowserModule {}
`);
createOrOverwriteFile(tree,`${options.directory}/src/app/app.server.module.ts`, `import {NgModule} from '@angular/core';
import {ServerModule, ServerTransferStateModule} from '@angular/platform-server';
import {ModuleMapLoaderModule} from '@nguniversal/module-map-ngfactory-loader';
import { BrowserModule } from '@angular/platform-browser';
import { NoopAnimationsModule } from '@angular/platform-browser/animations';
@NgModule({
imports: [
ServerModule,
NoopAnimationsModule,
ModuleMapLoaderModule,
ServerTransferStateModule, // comment
]
})
export class AppServerModule {}
`);
}