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

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• Hash : e2630d89
  Author :
  Date : 2021-09-26T11:52:18
  

  ESLint: Added `regexp/sort-alternatives` rule (#3093)

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• components/prism-yaml.js

• (function (Prism) {
  
  	// https://yaml.org/spec/1.2/spec.html#c-ns-anchor-property
  	// https://yaml.org/spec/1.2/spec.html#c-ns-alias-node
  	var anchorOrAlias = /[*&][^\s[\]{},]+/;
  	// https://yaml.org/spec/1.2/spec.html#c-ns-tag-property
  	var tag = /!(?:<[\w\-%#;/?:@&=+$,.!~*'()[\]]+>|(?:[a-zA-Z\d-]*!)?[\w\-%#;/?:@&=+$.~*'()]+)?/;
  	// https://yaml.org/spec/1.2/spec.html#c-ns-properties(n,c)
  	var properties = '(?:' + tag.source + '(?:[ \t]+' + anchorOrAlias.source + ')?|'
  		+ anchorOrAlias.source + '(?:[ \t]+' + tag.source + ')?)';
  	// https://yaml.org/spec/1.2/spec.html#ns-plain(n,c)
  	// This is a simplified version that doesn't support "#" and multiline keys
  	// All these long scarry character classes are simplified versions of YAML's characters
  	var plainKey = /(?:[^\s\x00-\x08\x0e-\x1f!"#%&'*,\-:>?@[\]`{|}\x7f-\x84\x86-\x9f\ud800-\udfff\ufffe\uffff]|[?:-]<PLAIN>)(?:[ \t]*(?:(?![#:])<PLAIN>|:<PLAIN>))*/.source
  		.replace(/<PLAIN>/g, function () { return /[^\s\x00-\x08\x0e-\x1f,[\]{}\x7f-\x84\x86-\x9f\ud800-\udfff\ufffe\uffff]/.source; });
  	var string = /"(?:[^"\\\r\n]|\\.)*"|'(?:[^'\\\r\n]|\\.)*'/.source;
  
  	/**
  	 *
  	 * @param {string} value
  	 * @param {string} [flags]
  	 * @returns {RegExp}
  	 */
  	function createValuePattern(value, flags) {
  		flags = (flags || '').replace(/m/g, '') + 'm'; // add m flag
  		var pattern = /([:\-,[{]\s*(?:\s<<prop>>[ \t]+)?)(?:<<value>>)(?=[ \t]*(?:$|,|\]|\}|(?:[\r\n]\s*)?#))/.source
  			.replace(/<<prop>>/g, function () { return properties; }).replace(/<<value>>/g, function () { return value; });
  		return RegExp(pattern, flags);
  	}
  
  	Prism.languages.yaml = {
  		'scalar': {
  			pattern: RegExp(/([\-:]\s*(?:\s<<prop>>[ \t]+)?[|>])[ \t]*(?:((?:\r?\n|\r)[ \t]+)\S[^\r\n]*(?:\2[^\r\n]+)*)/.source
  				.replace(/<<prop>>/g, function () { return properties; })),
  			lookbehind: true,
  			alias: 'string'
  		},
  		'comment': /#.*/,
  		'key': {
  			pattern: RegExp(/((?:^|[:\-,[{\r\n?])[ \t]*(?:<<prop>>[ \t]+)?)<<key>>(?=\s*:\s)/.source
  				.replace(/<<prop>>/g, function () { return properties; })
  				.replace(/<<key>>/g, function () { return '(?:' + plainKey + '|' + string + ')'; })),
  			lookbehind: true,
  			greedy: true,
  			alias: 'atrule'
  		},
  		'directive': {
  			pattern: /(^[ \t]*)%.+/m,
  			lookbehind: true,
  			alias: 'important'
  		},
  		'datetime': {
  			pattern: createValuePattern(/\d{4}-\d\d?-\d\d?(?:[tT]|[ \t]+)\d\d?:\d{2}:\d{2}(?:\.\d*)?(?:[ \t]*(?:Z|[-+]\d\d?(?::\d{2})?))?|\d{4}-\d{2}-\d{2}|\d\d?:\d{2}(?::\d{2}(?:\.\d*)?)?/.source),
  			lookbehind: true,
  			alias: 'number'
  		},
  		'boolean': {
  			pattern: createValuePattern(/false|true/.source, 'i'),
  			lookbehind: true,
  			alias: 'important'
  		},
  		'null': {
  			pattern: createValuePattern(/null|~/.source, 'i'),
  			lookbehind: true,
  			alias: 'important'
  		},
  		'string': {
  			pattern: createValuePattern(string),
  			lookbehind: true,
  			greedy: true
  		},
  		'number': {
  			pattern: createValuePattern(/[+-]?(?:0x[\da-f]+|0o[0-7]+|(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?|\.inf|\.nan)/.source, 'i'),
  			lookbehind: true
  		},
  		'tag': tag,
  		'important': anchorOrAlias,
  		'punctuation': /---|[:[\]{}\-,|>?]|\.\.\./
  	};
  
  	Prism.languages.yml = Prism.languages.yaml;
  
  }(Prism));
  

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