build: move cldr dependency to npm (angular#33634)

PR Close angular#33634

gulpfile.js

@@ -56,5 +56,4 @@ gulp.task('changelog', loadTask('changelog'));
 gulp.task('changelog:zonejs', loadTask('changelog-zonejs'));
 gulp.task('check-env', () => {/* this is a noop because the env test ran already above */});
 gulp.task('cldr:extract', loadTask('cldr', 'extract'));
-gulp.task('cldr:download', loadTask('cldr', 'download'));
 gulp.task('cldr:gen-closure-locale', loadTask('cldr', 'closure'));

package.json

@@ -136,7 +136,7 @@
     "check-side-effects": "0.0.21",
     "clang-format": "1.0.41",
     "cldr": "4.10.0",
-    "cldr-data-downloader": "0.3.2",
+    "cldr-data": "33.0.0",
     "cldrjs": "0.5.0",
     "conventional-changelog": "^2.0.3",
     "cors": "2.8.4",

tools/gulp-tasks/cldr.js

@@ -6,27 +6,14 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-const path = require('path');
 const fs = require('fs');
 
 module.exports = {
   extract: gulp => done => {
-    if (!fs.existsSync(path.join(__dirname, 'cldr/cldr-data'))) {
-      throw new Error(`You must run "gulp cldr:download" before you can extract the data`);
-    }
     const extract = require('./cldr/extract');
     return extract(gulp, done);
   },
 
-  download: gulp => done => {
-    const cldrDownloader = require('cldr-data-downloader');
-    const cldrDataFolder = path.join(__dirname, 'cldr/cldr-data');
-    if (!fs.existsSync(cldrDataFolder)) {
-      fs.mkdirSync(cldrDataFolder);
-    }
-    cldrDownloader(path.join(__dirname, 'cldr/cldr-urls.json'), cldrDataFolder, done);
-  },
-
   closure: gulp => done => {
     const {RELATIVE_I18N_DATA_FOLDER} = require('./cldr/extract');
     // tslint:disable-next-line:no-console

tools/gulp-tasks/cldr/extract.js

@@ -44,7 +44,7 @@ const HEADER = `/**
 
 // tslint:disable:no-console
 module.exports = (gulp, done) => {
-  const cldrData = require('./cldr-data');
+  const cldrData = require('cldr-data');
   const LOCALES = cldrData.availableLocales;
 
   console.log(`Loading CLDR data...`);