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								/**
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								 * @license
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								 * Copyright Google Inc. All Rights Reserved.
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								 *
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								 * Use of this source code is governed by an MIT-style license that can be
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								 * 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')({
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								  requiredNodeVersion: engines.node,
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								  requiredNpmVersion: engines.npm,
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								  requiredYarnVersion: engines.yarn
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								});
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											2016-05-25 19:54:34 -07:00
										 
									 
								 
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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) {
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								  const taskModule = require('./tools/gulp-tasks/' + fileName);
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								  const task = taskName ? taskModule[taskName] : taskModule;
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								  return task(gulp);
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								}
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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', 'tslint']);
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								gulp.task('tslint', ['tools:build'], loadTask('lint'));
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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('tools:build', loadTask('tools-build'));
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								gulp.task('check-cycle', loadTask('check-cycle'));
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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'));
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