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bower_components/prism/gulpfile.js 3.08 KB
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  var gulp   = require('gulp'),
  	rename = require('gulp-rename'),
  	uglify = require('gulp-uglify'),
  	header = require('gulp-header'),
  	concat = require('gulp-concat'),
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  	replace = require('gulp-replace'),
  	fs = require('fs'),
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  	paths  = {
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  		componentsFile: 'components.js',
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  		components: ['components/**/*.js', '!components/**/*.min.js'],
  		main: [
  			'components/prism-core.js',
  			'components/prism-markup.js',
  			'components/prism-css.js',
  			'components/prism-clike.js',
  			'components/prism-javascript.js',
  			'plugins/file-highlight/prism-file-highlight.js'
  		],
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  		plugins: ['plugins/**/*.js', '!plugins/**/*.min.js'],
  		showLanguagePlugin: 'plugins/show-language/prism-show-language.js',
  		autoloaderPlugin: 'plugins/autoloader/prism-autoloader.js'
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  	};
  
  gulp.task('components', function() {
  	return gulp.src(paths.components)
  		.pipe(uglify())
  		.pipe(rename({ suffix: '.min' }))
  		.pipe(gulp.dest('components'));
  });
  
  gulp.task('build', function() {
  	return gulp.src(paths.main)
  		.pipe(header('\n/* **********************************************\n' +
  			'     Begin <%= file.relative %>\n' +
  			'********************************************** */\n\n'))
  		.pipe(concat('prism.js'))
  		.pipe(gulp.dest('./'));
  });
  
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  gulp.task('plugins', ['languages-plugins'], function() {
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  	return gulp.src(paths.plugins)
  		.pipe(uglify())
  		.pipe(rename({ suffix: '.min' }))
  		.pipe(gulp.dest('plugins'));
  });
  
  gulp.task('watch', function() {
  	gulp.watch(paths.components, ['components', 'build']);
  	gulp.watch(paths.plugins, ['plugins', 'build']);
  });
  
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  gulp.task('languages-plugins', function (cb) {
  	fs.readFile(paths.componentsFile, {
  		encoding: 'utf-8'
  	}, function (err, data) {
  		if (!err) {
  			data = data.replace(/^var\s+components\s*=\s*|;\s*$/g, '');
  			try {
  				data = JSON.parse(data);
  
  				var languagesMap = {};
  				var dependenciesMap = {};
  				for (var p in data.languages) {
  					if (p !== 'meta') {
  						var title = data.languages[p].displayTitle || data.languages[p].title;
  						var ucfirst = p.substring(0, 1).toUpperCase() + p.substring(1);
  						if (title !== ucfirst) {
  							languagesMap[p] = title;
  						}
  
  						if(data.languages[p].require) {
  							dependenciesMap[p] = data.languages[p].require;
  						}
  					}
  				}
  
  				var jsonLanguagesMap = JSON.stringify(languagesMap);
  				var jsonDependenciesMap = JSON.stringify(dependenciesMap);
  
  				var tasks = [
  					{plugin: paths.showLanguagePlugin, map: jsonLanguagesMap},
  					{plugin: paths.autoloaderPlugin, map: jsonDependenciesMap}
  				];
  
  				var cpt = 0;
  				var l = tasks.length;
  				var done = function() {
  					cpt++;
  					if(cpt === l) {
  						cb && cb();
  					}
  				};
  
  				tasks.forEach(function(task) {
  					var stream = gulp.src(task.plugin)
  						.pipe(replace(
  							/\/\*languages_placeholder\[\*\/[\s\S]*?\/\*\]\*\//,
  							'/*languages_placeholder[*/' + task.map + '/*]*/'
  						))
  						.pipe(gulp.dest(task.plugin.substring(0, task.plugin.lastIndexOf('/'))));
  
  					stream.on('error', done);
  					stream.on('end', done);
  				});
  
  			} catch (e) {
  				cb(e);
  			}
  		} else {
  			cb(err);
  		}
  	});
  });
  
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  gulp.task('default', ['components', 'plugins', 'build']);