kmx.io/prism.js/components/prism-handlebars.js

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• Hash : b1fd5bdc
  Author :
  Date : 2015-03-10T08:27:53
  

  Removed unused global flag in all grammars

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• components/prism-handlebars.js

• (function(Prism) {
  
  	var handlebars_pattern = /\{\{\{[\w\W]+?\}\}\}|\{\{[\w\W]+?\}\}/g;
  	
  	Prism.languages.handlebars = Prism.languages.extend('markup', {
  		'handlebars': {
  			pattern: handlebars_pattern,
  			inside: {
  				'delimiter': {
  					pattern: /^\{\{\{?|\}\}\}?$/i,
  					alias: 'punctuation'
  				},
  				'string': /(["'])(\\?.)+?\1/,
  				'number': /\b-?(0x[\dA-Fa-f]+|\d*\.?\d+([Ee]-?\d+)?)\b/,
  				'boolean': /\b(true|false)\b/,
  				'block': {
  					pattern: /^(\s*~?\s*)[#\/]\w+/i,
  					lookbehind: true,
  					alias: 'keyword'
  				},
  				'brackets': {
  					pattern: /\[[^\]]+\]/,
  					inside: {
  						punctuation: /\[|\]/,
  						variable: /[\w\W]+/
  					}
  				},
  				'punctuation': /[!"#%&'()*+,.\/;<=>@\[\\\]^`{|}~]/,
  				'variable': /[^!"#%&'()*+,.\/;<=>@\[\\\]^`{|}~]+/
  			}
  		}
  	});
  
  	// Comments are inserted at top so that they can
  	// surround markup
  	Prism.languages.insertBefore('handlebars', 'tag', {
  		'handlebars-comment': {
  			pattern: /\{\{![\w\W]*?\}\}/,
  			alias: ['handlebars','comment']
  		}
  	});
  
  	// Tokenize all inline Handlebars expressions that are wrapped in {{ }} or {{{ }}}
  	// This allows for easy Handlebars + markup highlighting
  	Prism.hooks.add('before-highlight', function(env) {
  		if (env.language !== 'handlebars') {
  			return;
  		}
  
  		env.tokenStack = [];
  
  		env.backupCode = env.code;
  		env.code = env.code.replace(handlebars_pattern, function(match) {
  			env.tokenStack.push(match);
  
  			return '___HANDLEBARS' + env.tokenStack.length + '___';
  		});
  	});
  
  	// Restore env.code for other plugins (e.g. line-numbers)
  	Prism.hooks.add('before-insert', function(env) {
  		if (env.language === 'handlebars') {
  			env.code = env.backupCode;
  			delete env.backupCode;
  		}
  	});
  
  	// Re-insert the tokens after highlighting
  	// and highlight them with defined grammar
  	Prism.hooks.add('after-highlight', function(env) {
  		if (env.language !== 'handlebars') {
  			return;
  		}
  
  		for (var i = 0, t; t = env.tokenStack[i]; i++) {
  			env.highlightedCode = env.highlightedCode.replace('___HANDLEBARS' + (i + 1) + '___', Prism.highlight(t, env.grammar, 'handlebars'));
  		}
  
  		env.element.innerHTML = env.highlightedCode;
  	});
  
  }(Prism));
  

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