321 lines
11 KiB
JavaScript
321 lines
11 KiB
JavaScript
'use strict';
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// Canonical path provides a consistent path (i.e. always forward slashes) across different OSes
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var path = require('canonical-path');
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var Q = require('q');
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var _ = require('lodash');
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var jsdom = require("jsdom");
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var fs = require("fs-extra");
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var globby = require('globby');
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var fileTranslator = require('./translator/fileTranslator');
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var indexHtmlRules = require('./translator/rules/indexHtml');
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var systemjsConfigExtrasRules = require('./translator/rules/systemjsConfigExtras');
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var mainTsRules = require('./translator/rules/mainTs');
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var regionExtractor = require('../transforms/examples-package/services/region-parser');
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class PlunkerBuilder {
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constructor(basePath, destPath, options) {
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this.basePath = basePath;
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this.destPath = destPath;
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this.options = options;
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this.boilerplate = path.join(__dirname, '../examples/shared/boilerplate/systemjs');
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this.copyrights = {};
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this._buildCopyrightStrings();
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}
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buildPlunkers() {
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this._getPlunkerFiles();
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var errFn = this.options.errFn || function(e) { console.log(e); };
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var plunkerPaths = path.join(this.basePath, '**/*plnkr.json');
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var fileNames = globby.sync(plunkerPaths, { ignore: ['**/node_modules/**'] });
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fileNames.forEach((configFileName) => {
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try {
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this._buildPlunkerFrom(configFileName);
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} catch (e) {
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errFn(e);
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}
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});
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}
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_addPlunkerFiles(postData) {
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this.options.addField(postData, 'systemjs.config.js', this.systemjsConfig);
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this.options.addField(postData, 'systemjs-angular-loader.js', this.systemjsModulePlugin);
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}
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_buildCopyrightStrings() {
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var copyright = 'Copyright 2017-2018 Google Inc. All Rights Reserved.\n'
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+ 'Use of this source code is governed by an MIT-style license that\n'
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+ 'can be found in the LICENSE file at http://angular.io/license';
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var pad = '\n\n';
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this.copyrights.jsCss = `${pad}/*\n${copyright}\n*/`;
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this.copyrights.html = `${pad}<!-- \n${copyright}\n-->`;
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}
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// Build plunker from JSON configuration file (e.g., plnkr.json):
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// all properties are optional
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// files: string[] - array of globs - defaults to all js, ts, html, json, css and md files (with certain files removed)
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// description: string - description of this plunker - defaults to the title in the index.html page.
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// tags: string[] - optional array of plunker tags (for searchability)
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// main: string - name of file that will become index.html in the plunker - defaults to index.html
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// open: string - name of file to display within the plunker as in "open": "app/app.module.ts"
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_buildPlunkerFrom(configFileName) {
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// replace ending 'plnkr.json' with 'plnkr.no-link.html' to create output file name;
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var outputFileName = `${this.options.plunkerFileName}.no-link.html`;
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outputFileName = configFileName.replace(/plnkr\.json$/, outputFileName);
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var altFileName;
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if (this.destPath && this.destPath.length > 0) {
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var partPath = path.dirname(path.relative(this.basePath, outputFileName));
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var altFileName = path.join(this.destPath, partPath, path.basename(outputFileName)).replace('.no-link.', '.');
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}
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try {
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var config = this._initConfigAndCollectFileNames(configFileName);
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var postData = this._createPostData(config);
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this._addPlunkerFiles(postData);
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var html = this._createPlunkerHtml(config, postData);
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if (this.options.writeNoLink) {
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fs.writeFileSync(outputFileName, html, 'utf-8');
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}
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if (altFileName) {
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var altDirName = path.dirname(altFileName);
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fs.ensureDirSync(altDirName);
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fs.writeFileSync(altFileName, html, 'utf-8');
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}
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} catch (e) {
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// if we fail delete the outputFile if it exists because it is an old one.
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if (this._existsSync(outputFileName)) {
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fs.unlinkSync(outputFileName);
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}
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if (altFileName && this._existsSync(altFileName)) {
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fs.unlinkSync(altFileName);
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}
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throw e;
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}
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}
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_createBasePlunkerHtml(config, embedded) {
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var open = '';
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if (config.open) {
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open = embedded ? `&show=${config.open}` : `&open=${config.open}`;
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}
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var action = `${this.options.url}${open}`;
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var html = '<!DOCTYPE html><html lang="en"><body>';
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html += `<form id="mainForm" method="post" action="${action}" target="_self">`;
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// html += '<div class="button"><button id="formButton" type="submit">Create Plunker</button></div>'
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// html += '</form><script>document.getElementById("formButton").click();</script>'
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html += '</form><script>document.getElementById("mainForm").submit();</script>';
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html += '</body></html>';
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return html;
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}
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_createPostData(config) {
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var postData = {};
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config.fileNames.forEach((fileName) => {
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var content;
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var extn = path.extname(fileName);
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if (extn == '.png') {
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content = this._encodeBase64(fileName);
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fileName = fileName.substr(0, fileName.length - 4) + '.base64.png'
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} else if (-1 < fileName.indexOf('systemjs.config.extras')) {
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content = this._getSystemjsConfigExtras(config);
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} else {
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content = fs.readFileSync(fileName, 'utf-8');
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}
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if (extn == '.js' || extn == '.ts' || extn == '.css') {
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content = content + this.copyrights.jsCss;
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} else if (extn == '.html') {
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content = content + this.copyrights.html;
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}
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// var escapedValue = escapeHtml(content);
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var relativeFileName = path.relative(config.basePath, fileName);
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if (relativeFileName == config.main) {
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relativeFileName = 'index.html';
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}
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if (relativeFileName == 'index.html') {
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content = fileTranslator.translate(content, indexHtmlRules);
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if (config.description == null) {
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// set config.description to title from index.html
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var matches = /<title>(.*)<\/title>/.exec(content);
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if (matches) {
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config.description = matches[1];
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}
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}
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}
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// Matches main.ts or main.1.ts
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if (/^main(?:[.-]\w+)?\.ts$/.test(relativeFileName)) {
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content = fileTranslator.translate(content, mainTsRules);
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relativeFileName = 'main.ts';
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}
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if (relativeFileName == 'systemjs.config.extras.js') {
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content = fileTranslator.translate(content, systemjsConfigExtrasRules);
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}
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content = regionExtractor()(content, extn.substr(1)).contents;
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this.options.addField(postData, relativeFileName, content);
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});
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var tags = ['angular', 'example'].concat(config.tags || []);
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tags.forEach(function(tag,ix) {
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postData['tags[' + ix + ']'] = tag;
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});
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if (!this.options.embedded) {
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postData.private = true;
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postData.description = "Angular Example - " + config.description;
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} else {
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postData.title = "Angular Example - " + config.description;
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}
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// Embedded needs to add more content, so if the callback is available, we call it
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if (this.options.extraData) {
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this.options.extraData(postData, config);
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}
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return postData;
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}
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_createPlunkerHtml(config, postData) {
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var baseHtml = this._createBasePlunkerHtml(config, this.options.embedded);
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var doc = jsdom.jsdom(baseHtml);
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var form = doc.querySelector('form');
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_.forEach(postData, (value, key) => {
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var ele = this._htmlToElement(doc, '<input type="hidden" name="' + key + '">');
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ele.setAttribute('value', value);
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form.appendChild(ele)
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});
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var html = doc.documentElement.outerHTML;
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return html;
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}
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_encodeBase64(file) {
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// read binary data
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var bitmap = fs.readFileSync(file);
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// convert binary data to base64 encoded string
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return Buffer(bitmap).toString('base64');
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}
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_existsSync(filename) {
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try {
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fs.accessSync(filename);
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return true;
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} catch(ex) {
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return false;
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}
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}
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_getPlunkerFiles() {
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var systemJsModulePlugin = '/src/systemjs-angular-loader.js';
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var systemJsConfigPath = '/src/systemjs.config.web.js';
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if (this.options.build) {
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systemJsConfigPath = '/src/systemjs.config.web.build.js';
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}
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this.systemjsConfig = fs.readFileSync(this.boilerplate + systemJsConfigPath, 'utf-8');
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this.systemjsModulePlugin = fs.readFileSync(this.boilerplate + systemJsModulePlugin, 'utf-8');
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// Copyright already added to web versions of systemjs.config
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// this.systemjsConfig += this.copyrights.jsCss;
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}
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// Try to replace `systemjs.config.extras.js` with the
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// `systemjs.config.extras.web.js` web version that
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// should default SystemJS barrels to `.ts` files rather than `.js` files
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// Example: see docs `testing`.
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// HACK-O-MATIC!
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_getSystemjsConfigExtras(config) {
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var extras = config.basePath + '/systemjs.config.extras.js';
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var webExtras = config.basePath + '/systemjs.config.extras.web.js';
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if (this._existsSync(webExtras)) {
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// console.log('** Substituted "' + webExtras + '" for "' + extras + '".');
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return fs.readFileSync(webExtras, 'utf-8');
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} else if (this._existsSync(extras)){
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console.log('** WARNING: no "' + webExtras + '" replacement for "' + extras + '".');
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return fs.readFileSync(extras, 'utf-8');
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} else {
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console.log('** WARNING: no "' + extras + '" file; returning empty content.');
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return '';
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}
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}
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_htmlToElement(document, html) {
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var div = document.createElement('div');
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div.innerHTML = html;
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return div.firstChild;
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}
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_initConfigAndCollectFileNames(configFileName) {
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var configDir = path.dirname(configFileName);
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var configSrc = fs.readFileSync(configFileName, 'utf-8');
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try {
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var config = (configSrc && configSrc.trim().length) ? JSON.parse(configSrc) : {};
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config.basePath = config.basePath ? path.resolve(configDir, config.basePath) : configDir;
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} catch (e) {
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throw new Error(`Plunker config - unable to parse json file: ${configFileName}\n${e}`);
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}
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var defaultIncludes = ['**/*.ts', '**/*.js', '**/*.css', '**/*.html', '**/*.md', '**/*.json', '**/*.png'];
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if (config.files) {
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if (config.files.length > 0) {
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if (config.files[0].substr(0, 1) == '!') {
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config.files = defaultIncludes.concat(config.files);
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}
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}
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} else {
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config.files = defaultIncludes;
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}
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var includeSpec = false;
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var gpaths = config.files.map(function(fileName) {
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fileName = fileName.trim();
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if (fileName.substr(0,1) == '!') {
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return "!" + path.join(config.basePath, fileName.substr(1));
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} else {
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includeSpec = includeSpec || /\.spec\.(ts|js)$/.test(fileName);
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return path.join(config.basePath, fileName);
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}
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});
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var defaultExcludes = [
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'!**/tsconfig.json',
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'!**/*plnkr.*',
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'!**/package.json',
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'!**/example-config.json',
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'!**/tslint.json',
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'!**/.editorconfig',
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'!**/systemjs.config.js',
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'!**/wallaby.js',
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'!**/karma-test-shim.js',
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'!**/karma.conf.js',
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'!**/test.ts',
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'!**/polyfills.ts',
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'!**/tsconfig.app.json',
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'!**/environments/**',
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// AoT related files
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'!**/aot/**/*.*',
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'!**/*-aot.*'
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];
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// exclude all specs if no spec is mentioned in `files[]`
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if (!includeSpec) {
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defaultExcludes.push('!**/*.spec.*','!**/spec.js');
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}
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gpaths.push(...defaultExcludes);
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config.fileNames = globby.sync(gpaths, { ignore: ["**/node_modules/**"] });
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return config;
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}
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}
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module.exports = PlunkerBuilder;
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