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

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• Hash : 9cae4461
  Author :
  Date : 2021-04-17T22:26:40
  

  ESLint: Added quotes rule (#2835)

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• components/prism-diff.js

• (function (Prism) {
  
  	Prism.languages.diff = {
  		'coord': [
  			// Match all kinds of coord lines (prefixed by "+++", "---" or "***").
  			/^(?:\*{3}|-{3}|\+{3}).*$/m,
  			// Match "@@ ... @@" coord lines in unified diff.
  			/^@@.*@@$/m,
  			// Match coord lines in normal diff (starts with a number).
  			/^\d.*$/m
  		]
  
  		// deleted, inserted, unchanged, diff
  	};
  
  	/**
  	 * A map from the name of a block to its line prefix.
  	 *
  	 * @type {Object<string, string>}
  	 */
  	var PREFIXES = {
  		'deleted-sign': '-',
  		'deleted-arrow': '<',
  		'inserted-sign': '+',
  		'inserted-arrow': '>',
  		'unchanged': ' ',
  		'diff': '!',
  	};
  
  	// add a token for each prefix
  	Object.keys(PREFIXES).forEach(function (name) {
  		var prefix = PREFIXES[name];
  
  		var alias = [];
  		if (!/^\w+$/.test(name)) { // "deleted-sign" -> "deleted"
  			alias.push(/\w+/.exec(name)[0]);
  		}
  		if (name === 'diff') {
  			alias.push('bold');
  		}
  
  		Prism.languages.diff[name] = {
  			pattern: RegExp('^(?:[' + prefix + '].*(?:\r\n?|\n|(?![\\s\\S])))+', 'm'),
  			alias: alias,
  			inside: {
  				'line': {
  					pattern: /(.)(?=[\s\S]).*(?:\r\n?|\n)?/,
  					lookbehind: true
  				},
  				'prefix': {
  					pattern: /[\s\S]/,
  					alias: /\w+/.exec(name)[0]
  				}
  			}
  		};
  
  	});
  
  	// make prefixes available to Diff plugin
  	Object.defineProperty(Prism.languages.diff, 'PREFIXES', {
  		value: PREFIXES
  	});
  
  }(Prism));
  

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