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

• Show log

  Commit

• Hash : 7bd08327
  Author :
  Date : 2019-07-13T13:42:13
  

  JavaScript: Private fields (#1950) This adds support for private fields in both JS and JS Extras. [Proposal](https://github.com/tc39/proposal-class-fields#private-fields).

Download

• components/prism-js-extras.js

• (function (Prism) {
  
  	Prism.languages.insertBefore('javascript', 'function-variable', {
  		'method-variable': {
  			pattern: RegExp('(\\.\\s*)' + Prism.languages.javascript['function-variable'].pattern.source),
  			lookbehind: true,
  			alias: ['function-variable', 'method', 'function', 'property-access']
  		}
  	});
  
  	Prism.languages.insertBefore('javascript', 'function', {
  		'method': {
  			pattern: RegExp('(\\.\\s*)' + Prism.languages.javascript['function'].source),
  			lookbehind: true,
  			alias: ['function', 'property-access']
  		}
  	});
  
  	Prism.languages.insertBefore('javascript', 'constant', {
  		'known-class-name': [
  			{
  				// standard built-ins
  				// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
  				pattern: /\b(?:(?:(?:Uint|Int)(?:8|16|32)|Uint8Clamped|Float(?:32|64))?Array|ArrayBuffer|BigInt|Boolean|DataView|Date|Error|Function|Intl|JSON|Math|Number|Object|Promise|Proxy|Reflect|RegExp|String|Symbol|(?:Weak)?(?:Set|Map)|WebAssembly)\b/,
  				alias: 'class-name'
  			},
  			{
  				// errors
  				pattern: /\b(?:[A-Z]\w*)Error\b/,
  				alias: 'class-name'
  			}
  		]
  	});
  
  	Prism.languages.javascript['keyword'].unshift(
  		{
  			pattern: /\b(?:as|default|export|from|import)\b/,
  			alias: 'module'
  		},
  		{
  			pattern: /\bnull\b/,
  			alias: ['null', 'nil']
  		},
  		{
  			pattern: /\bundefined\b/,
  			alias: 'nil'
  		}
  	);
  
  	Prism.languages.insertBefore('javascript', 'operator', {
  		'spread': {
  			pattern: /\.{3}/,
  			alias: 'operator'
  		},
  		'arrow': {
  			pattern: /=>/,
  			alias: 'operator'
  		}
  	});
  
  	Prism.languages.insertBefore('javascript', 'punctuation', {
  		'property-access': {
  			pattern: /(\.\s*)#?[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*/,
  			lookbehind: true
  		},
  		'maybe-class-name': {
  			pattern: /(^|[^$\w\xA0-\uFFFF])[A-Z][$\w\xA0-\uFFFF]+/,
  			lookbehind: true
  		},
  		'dom': {
  			// this contains only a few commonly used DOM variables
  			pattern: /\b(?:document|location|navigator|performance|(?:local|session)Storage|window)\b/,
  			alias: 'variable'
  		},
  		'console': {
  			pattern: /\bconsole(?=\s*\.)/,
  			alias: 'class-name'
  		}
  	});
  
  
  	// add 'maybe-class-name' to tokens which might be a class name
  	var maybeClassNameTokens = ['function', 'function-variable', 'method', 'method-variable', 'property-access'];
  
  	for (var i = 0; i < maybeClassNameTokens.length; i++) {
  		var token = maybeClassNameTokens[i];
  		var value = Prism.languages.javascript[token];
  
  		// convert regex to object
  		if (Prism.util.type(value) === 'RegExp') {
  			value = Prism.languages.javascript[token] = {
  				pattern: value
  			};
  		}
  
  		// keep in mind that we don't support arrays
  
  		var inside = value.inside || {};
  		value.inside = inside;
  
  		inside['maybe-class-name'] = /^[A-Z][\s\S]*/;
  	}
  
  }(Prism));
  

Download