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

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• Hash : 3d410670
  Author :
  Date : 2021-12-05T14:42:56
  

  HAML: Use `symbol` alias for filter names (#3210)

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• components/prism-haml.js

• /* TODO
  	Handle multiline code after tag
  	    %foo= some |
  			multiline |
  			code |
  */
  
  (function (Prism) {
  
  	Prism.languages.haml = {
  		// Multiline stuff should appear before the rest
  
  		'multiline-comment': {
  			pattern: /((?:^|\r?\n|\r)([\t ]*))(?:\/|-#).*(?:(?:\r?\n|\r)\2[\t ].+)*/,
  			lookbehind: true,
  			alias: 'comment'
  		},
  
  		'multiline-code': [
  			{
  				pattern: /((?:^|\r?\n|\r)([\t ]*)(?:[~-]|[&!]?=)).*,[\t ]*(?:(?:\r?\n|\r)\2[\t ].*,[\t ]*)*(?:(?:\r?\n|\r)\2[\t ].+)/,
  				lookbehind: true,
  				inside: Prism.languages.ruby
  			},
  			{
  				pattern: /((?:^|\r?\n|\r)([\t ]*)(?:[~-]|[&!]?=)).*\|[\t ]*(?:(?:\r?\n|\r)\2[\t ].*\|[\t ]*)*/,
  				lookbehind: true,
  				inside: Prism.languages.ruby
  			}
  		],
  
  		// See at the end of the file for known filters
  		'filter': {
  			pattern: /((?:^|\r?\n|\r)([\t ]*)):[\w-]+(?:(?:\r?\n|\r)(?:\2[\t ].+|\s*?(?=\r?\n|\r)))+/,
  			lookbehind: true,
  			inside: {
  				'filter-name': {
  					pattern: /^:[\w-]+/,
  					alias: 'symbol'
  				}
  			}
  		},
  
  		'markup': {
  			pattern: /((?:^|\r?\n|\r)[\t ]*)<.+/,
  			lookbehind: true,
  			inside: Prism.languages.markup
  		},
  		'doctype': {
  			pattern: /((?:^|\r?\n|\r)[\t ]*)!!!(?: .+)?/,
  			lookbehind: true
  		},
  		'tag': {
  			// Allows for one nested group of braces
  			pattern: /((?:^|\r?\n|\r)[\t ]*)[%.#][\w\-#.]*[\w\-](?:\([^)]+\)|\{(?:\{[^}]+\}|[^{}])+\}|\[[^\]]+\])*[\/<>]*/,
  			lookbehind: true,
  			inside: {
  				'attributes': [
  					{
  						// Lookbehind tries to prevent interpolations from breaking it all
  						// Allows for one nested group of braces
  						pattern: /(^|[^#])\{(?:\{[^}]+\}|[^{}])+\}/,
  						lookbehind: true,
  						inside: Prism.languages.ruby
  					},
  					{
  						pattern: /\([^)]+\)/,
  						inside: {
  							'attr-value': {
  								pattern: /(=\s*)(?:"(?:\\.|[^\\"\r\n])*"|[^)\s]+)/,
  								lookbehind: true
  							},
  							'attr-name': /[\w:-]+(?=\s*!?=|\s*[,)])/,
  							'punctuation': /[=(),]/
  						}
  					},
  					{
  						pattern: /\[[^\]]+\]/,
  						inside: Prism.languages.ruby
  					}
  				],
  				'punctuation': /[<>]/
  			}
  		},
  		'code': {
  			pattern: /((?:^|\r?\n|\r)[\t ]*(?:[~-]|[&!]?=)).+/,
  			lookbehind: true,
  			inside: Prism.languages.ruby
  		},
  		// Interpolations in plain text
  		'interpolation': {
  			pattern: /#\{[^}]+\}/,
  			inside: {
  				'delimiter': {
  					pattern: /^#\{|\}$/,
  					alias: 'punctuation'
  				},
  				'ruby': {
  					pattern: /[\s\S]+/,
  					inside: Prism.languages.ruby
  				}
  			}
  		},
  		'punctuation': {
  			pattern: /((?:^|\r?\n|\r)[\t ]*)[~=\-&!]+/,
  			lookbehind: true
  		}
  	};
  
  	var filter_pattern = '((?:^|\\r?\\n|\\r)([\\t ]*)):{{filter_name}}(?:(?:\\r?\\n|\\r)(?:\\2[\\t ].+|\\s*?(?=\\r?\\n|\\r)))+';
  
  	// Non exhaustive list of available filters and associated languages
  	var filters = [
  		'css',
  		{ filter: 'coffee', language: 'coffeescript' },
  		'erb',
  		'javascript',
  		'less',
  		'markdown',
  		'ruby',
  		'scss',
  		'textile'
  	];
  	var all_filters = {};
  	for (var i = 0, l = filters.length; i < l; i++) {
  		var filter = filters[i];
  		filter = typeof filter === 'string' ? { filter: filter, language: filter } : filter;
  		if (Prism.languages[filter.language]) {
  			all_filters['filter-' + filter.filter] = {
  				pattern: RegExp(filter_pattern.replace('{{filter_name}}', function () { return filter.filter; })),
  				lookbehind: true,
  				inside: {
  					'filter-name': {
  						pattern: /^:[\w-]+/,
  						alias: 'symbol'
  					},
  					'text': {
  						pattern: /[\s\S]+/,
  						alias: [filter.language, 'language-' + filter.language],
  						inside: Prism.languages[filter.language]
  					}
  				}
  			};
  		}
  	}
  
  	Prism.languages.insertBefore('haml', 'filter', all_filters);
  
  }(Prism));
  

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