Files
JavaScriptServices/templates/package-builder/src/yeoman/app/index.ts

224 lines
8.7 KiB
TypeScript

import * as fs from 'fs';
import * as path from 'path';
import * as yeoman from 'yeoman-generator';
import * as uuid from 'node-uuid';
import * as glob from 'glob';
import * as semver from 'semver';
import { execSync } from 'child_process';
import npmWhich = require('npm-which');
const yosay = require('yosay');
const toPascalCase = require('to-pascal-case');
const isWindows = /^win/.test(process.platform);
// Paths matching these regexes will only be included if the user wants tests
const testSpecificPaths = [
/\.spec.ts$/, // Files ending '.spec.ts'
/(^|\/|\\)test($|\/|\\)/ // Files under any directory called 'test'
];
// These NPM dependencies will only be included if the user wants tests
const testSpecificNpmPackages = [
"@types/chai",
"@types/jasmine",
"chai",
"jasmine-core",
"karma",
"karma-chai",
"karma-chrome-launcher",
"karma-cli",
"karma-jasmine",
"karma-webpack"
];
type YeomanPrompt = (opt: yeoman.IPromptOptions | yeoman.IPromptOptions[], callback: (answers: any) => void) => void;
const optionOrPrompt: YeomanPrompt = require('yeoman-option-or-prompt');
const templates = [
{ value: 'angular-2', name: 'Angular 2', tests: true },
{ value: 'aurelia', name: 'Aurelia', tests: false },
{ value: 'knockout', name: 'Knockout', tests: false },
{ value: 'react', name: 'React', tests: false },
{ value: 'react-redux', name: 'React with Redux', tests: false }
];
class MyGenerator extends yeoman.Base {
private _answers: any;
private _optionOrPrompt: YeomanPrompt;
constructor(args: string | string[], options: any) {
super(args, options);
this._optionOrPrompt = optionOrPrompt;
this.log(yosay('Welcome to the ASP.NET Core Single-Page App generator!'));
if (isWindows) {
assertNpmVersionIsAtLeast('3.0.0');
}
}
prompting() {
this.option('projectguid');
const done = this.async();
this._optionOrPrompt([{
type: 'list',
name: 'framework',
message: 'Framework',
choices: templates
}], frameworkAnswer => {
const frameworkChoice = templates.filter(t => t.value === frameworkAnswer.framework)[0];
const furtherQuestions = [{
type: 'input',
name: 'name',
message: 'Your project name',
default: this.appname
}];
if (frameworkChoice.tests) {
furtherQuestions.unshift({
type: 'confirm',
name: 'tests',
message: 'Do you want to include unit tests?',
default: true as any
});
}
this._optionOrPrompt(furtherQuestions, answers => {
answers.framework = frameworkAnswer.framework;
this._answers = answers;
this._answers.framework = frameworkAnswer.framework;
this._answers.namePascalCase = toPascalCase(answers.name);
this._answers.projectGuid = this.options['projectguid'] || uuid.v4();
done();
});
});
}
writing() {
var templateRoot = this.templatePath(this._answers.framework);
glob.sync('**/*', { cwd: templateRoot, dot: true, nodir: true }).forEach(fn => {
// Token replacement in filenames
let outputFn = fn.replace(/tokenreplace\-([^\.\/]*)/g, (substr, token) => this._answers[token]);
// Rename template_gitignore to .gitignore in output
if (path.basename(fn) === 'template_gitignore') {
outputFn = path.join(path.dirname(fn), '.gitignore');
}
// Likewise, output template_nodemodules_placeholder.txt as node_modules/_placeholder.txt
// This is a workaround for https://github.com/aspnet/JavaScriptServices/issues/235. We need the new project
// to have a nonempty node_modules dir as far as *source control* is concerned. So, there's a gitignore
// rule that explicitly causes node_modules/_placeholder.txt to be tracked in source control. But how
// does that file get there in the first place? It's not enough for such a file to exist when the
// generator-aspnetcore-spa NPM package is published, because NPM doesn't allow any directories called
// node_modules to exist in the package. So we have a file with at a different location, and move it
// to node_modules as part of executing the template.
if (path.basename(fn) === 'template_nodemodules_placeholder.txt') {
outputFn = path.join(path.dirname(fn), 'node_modules', '_placeholder.txt');
}
// Exclude test-specific files (unless the user has said they want tests)
const isTestSpecificFile = testSpecificPaths.some(regex => regex.test(outputFn));
if (this._answers.tests || !isTestSpecificFile) {
let inputFullPath = path.join(templateRoot, fn);
let destinationFullPath = this.destinationPath(outputFn);
if (path.basename(fn) === 'package.json') {
// Special handling for package.json, because we rewrite it dynamically
const tempPath = destinationFullPath + '.tmp';
this.fs.writeJSON(
tempPath,
rewritePackageJson(JSON.parse(fs.readFileSync(inputFullPath, 'utf8')), this._answers.tests),
/* replacer */ null,
/* space */ 2
);
inputFullPath = tempPath;
}
const outputDirBasename = path.basename(path.dirname(destinationFullPath));
if (outputDirBasename === 'dist') {
// Don't do token replacement in 'dist' files, as they might just randomly contain
// sequences like '<%=' even though they aren't actually template files
this.fs.copy(
inputFullPath,
destinationFullPath
);
} else {
this.fs.copyTpl(
inputFullPath,
destinationFullPath,
this._answers
);
}
}
});
}
installingDeps() {
// If available, restore dependencies using Yarn instead of NPM
const yarnPath = getPathToExecutable('yarn');
if (!!yarnPath) {
this.log('Will restore NPM dependencies using \'yarn\' installed at ' + yarnPath);
this.npmInstall = (pkgs, options, cb) => {
return (this as any).runInstall(yarnPath, pkgs, options, cb);
};
}
this.installDependencies({
npm: true,
bower: false,
callback: () => {
this.spawnCommandSync('dotnet', ['restore']);
this.spawnCommandSync('./node_modules/.bin/webpack', ['--config', 'webpack.config.vendor.js']);
this.spawnCommandSync('./node_modules/.bin/webpack');
}
});
}
}
function getPathToExecutable(executableName: string) {
try {
return npmWhich(__dirname).sync(executableName);
} catch(ex) {
return null;
}
}
function assertNpmVersionIsAtLeast(minVersion: string) {
const runningVersion = execSync('npm -v').toString();
if (!semver.gte(runningVersion, minVersion, /* loose */ true)) {
console.error(`This generator requires NPM version ${minVersion} or later. You are running NPM version ${runningVersion}`);
process.exit(1);
}
}
function rewritePackageJson(contents, includeTests) {
if (!includeTests) {
// Delete any test-specific packages from dependencies and devDependencies
['dependencies', 'devDependencies'].forEach(dependencyListName => {
var packageList = contents[dependencyListName];
if (packageList) {
testSpecificNpmPackages.forEach(packageToRemove => {
delete packageList[packageToRemove];
});
if (Object.getOwnPropertyNames(packageList).length === 0) {
delete contents[dependencyListName];
}
}
});
// Delete any script called 'test'
const scripts = contents.scripts;
if (scripts && scripts.test) {
delete scripts.test;
if (Object.getOwnPropertyNames(scripts).length === 0) {
delete contents.scripts;
}
}
}
return contents;
}
declare var module: any;
(module).exports = MyGenerator;