kmx.io/prism.js/gulpfile.js

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• Hash : ba60df09
  Author :
  Date : 2018-03-15T08:55:19
  

  Core: Generate components.js from components.json and make it exportable to nodeJS. (#1354)

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• gulpfile.js

• var gulp   = require('gulp'),
  	rename = require('gulp-rename'),
  	uglify = require('gulp-uglify'),
  	header = require('gulp-header'),
  	concat = require('gulp-concat'),
  	replace = require('gulp-replace'),
  	fs = require('fs'),
  
  	paths  = {
  		componentsFile: 'components.json',
  		componentsFileJS: 'components.js',
  		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'
  		],
  		plugins: ['plugins/**/*.js', '!plugins/**/*.min.js'],
  		showLanguagePlugin: 'plugins/show-language/prism-show-language.js',
  		autoloaderPlugin: 'plugins/autoloader/prism-autoloader.js',
  		changelog: 'CHANGELOG.md'
  	},
  
  	componentsPromise = new Promise(function (resolve, reject) {
  		fs.readFile(paths.componentsFile, {
  			encoding: 'utf-8'
  		}, function (err, data) {
  			if (!err) {
  				resolve(JSON.parse(data));
  			} else {
  				reject(err);
  			}
  		});
  	});
  
  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('./'));
  });
  
  gulp.task('plugins', ['languages-plugins'], function() {
  	return gulp.src(paths.plugins)
  		.pipe(uglify())
  		.pipe(rename({ suffix: '.min' }))
  		.pipe(gulp.dest('plugins'));
  });
  
  gulp.task('components-json', function (cb) {
  	componentsPromise.then(function (data) {
  		data = 'var components = ' + JSON.stringify(data) + ';\n' +
  			'if (typeof module !== \'undefined\' && module.exports) { module.exports = components; }';
  		fs.writeFile(paths.componentsFileJS, data, cb);
  	});
  });
  
  gulp.task('watch', function() {
  	gulp.watch(paths.components, ['components', 'build']);
  	gulp.watch(paths.plugins, ['plugins', 'build']);
  });
  
  gulp.task('languages-plugins', function (cb) {
  	componentsPromise.then(function (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;
  				}
  
  				for (var name in data.languages[p].aliasTitles) {
  					languagesMap[name] = data.languages[p].aliasTitles[name];
  				}
  
  				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);
  		});
  	});
  });
  
  gulp.task('changelog', function (cb) {
  	return gulp.src(paths.changelog)
  		.pipe(replace(
  			/#(\d+)(?![\d\]])/g,
  			'[#$1](https://github.com/PrismJS/prism/issues/$1)'
  		))
  		.pipe(replace(
  			/\[[\da-f]+(?:, *[\da-f]+)*\]/g,
  			function (match) {
  				return match.replace(/([\da-f]{7})[\da-f]*/g, '[`$1`](https://github.com/PrismJS/prism/commit/$1)');
  			}
  		))
  		.pipe(gulp.dest('.'));
  });
  
  gulp.task('default', ['components', 'components-json', 'plugins', 'build']);
  

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