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										 |  |  | /** | 
					
						
							|  |  |  |  * @license | 
					
						
							|  |  |  |  * Copyright Google Inc. 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
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							|  |  |  |  */ | 
					
						
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										 |  |  | 'use strict'; | 
					
						
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										 |  |  | // THIS CHECK SHOULD BE THE FIRST THING IN THIS FILE
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							|  |  |  | // This is to ensure that we catch env issues before we error while requiring other dependencies.
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										 |  |  | const engines = require('./package.json').engines; | 
					
						
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										 |  |  | require('./tools/check-environment')({ | 
					
						
							|  |  |  |   requiredNodeVersion: engines.node, | 
					
						
							|  |  |  |   requiredNpmVersion: engines.npm, | 
					
						
							|  |  |  |   requiredYarnVersion: engines.yarn | 
					
						
							|  |  |  | }); | 
					
						
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										 |  |  | const gulp = require('gulp'); | 
					
						
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										 |  |  | // See `tools/gulp-tasks/README.md` for information about task loading.
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							|  |  |  | function loadTask(fileName, taskName) { | 
					
						
							|  |  |  |   const taskModule = require('./tools/gulp-tasks/' + fileName); | 
					
						
							|  |  |  |   const task = taskName ? taskModule[taskName] : taskModule; | 
					
						
							|  |  |  |   return task(gulp); | 
					
						
							|  |  |  | } | 
					
						
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										 |  |  | // Check source code for formatting errors in all source files.
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										 |  |  | gulp.task('format:enforce', loadTask('format', 'enforce')); | 
					
						
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							|  |  |  | // Format all source files.
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							|  |  |  | gulp.task('format:all', loadTask('format', 'format')); | 
					
						
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							|  |  |  | // Format only untracked source code files.
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										 |  |  | gulp.task('format:untracked', loadTask('format', 'format-untracked')); | 
					
						
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							|  |  |  | // Format only the changed, tracked source code files.
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										 |  |  | gulp.task('format:diff', loadTask('format', 'format-diff')); | 
					
						
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							|  |  |  | // Format only changed lines based on the diff from the provided --branch
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							|  |  |  | // argument (or `master` by default).
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										 |  |  | gulp.task('format:changed', ['format:untracked', 'format:diff']); | 
					
						
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							|  |  |  | // Alias for `format:changed` that formerly formatted all files.
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							|  |  |  | gulp.task('format', ['format:changed']); | 
					
						
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										 |  |  | gulp.task('lint', ['format:enforce', 'validate-commit-messages']); | 
					
						
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										 |  |  | gulp.task('validate-commit-messages', loadTask('validate-commit-message')); | 
					
						
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										 |  |  | gulp.task('source-map-test', loadTask('source-map-test')); | 
					
						
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										 |  |  | gulp.task('changelog', loadTask('changelog')); | 
					
						
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										 |  |  | gulp.task('changelog:zonejs', loadTask('changelog-zonejs')); | 
					
						
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										 |  |  | gulp.task('check-env', () => {/* this is a noop because the env test ran already above */}); | 
					
						
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										 |  |  | gulp.task('cldr:extract', loadTask('cldr', 'extract')); | 
					
						
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										 |  |  | gulp.task('cldr:gen-closure-locale', loadTask('cldr', 'closure')); |