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

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• Hash : 4eb928c3
  Author :
  Date : 2022-02-19T13:29:43
  

  Added support for Cooklang (#3337) Co-authored-by: Michael Schmidt <msrd0000@gmail.com>

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• components/prism-cooklang.js

• (function (Prism) {
  
  	// see https://github.com/cooklang/spec/blob/main/EBNF.md
  
  	var single_token_suffix = /(?:(?!\s)[\d$+<=a-zA-Z\x80-\uFFFF])+/.source;
  	var multi_token_infix = /[^{}@#]+/.source;
  	var multi_token_suffix = /\{[^}#@]*\}/.source;
  
  	var multi_token = multi_token_infix + multi_token_suffix;
  
  	var timer_units = /(?:h|hours|hrs|m|min|minutes)/.source;
  
  	var amount_group_impl = {
  		pattern: /\{[^{}]*\}/,
  		inside: {
  			'amount': {
  				pattern: /([\{|])[^{}|*%]+/,
  				lookbehind: true,
  				alias: 'number',
  			},
  			'unit': {
  				pattern: /(%)[^}]+/,
  				lookbehind: true,
  				alias: 'symbol',
  			},
  			'servings-scaler': {
  				pattern: /\*/,
  				alias: 'operator',
  			},
  			'servings-alternative-separator': {
  				pattern: /\|/,
  				alias: 'operator',
  			},
  			'unit-separator': {
  				pattern: /(?:%|(\*)%)/,
  				lookbehind: true,
  				alias: 'operator',
  			},
  			'punctuation': /[{}]/,
  		}
  	};
  
  
  	Prism.languages.cooklang = {
  		'comment': {
  			// [- comment -]
  			// -- comment
  			pattern: /\[-[\s\S]*?-\]|--.*/,
  			greedy: true,
  		},
  		'meta': { // >> key: value
  			pattern: />>.*:.*/,
  			inside: {
  				'property': { // key:
  					pattern: /(>>\s*)[^\s:](?:[^:]*[^\s:])?/,
  					lookbehind: true,
  				}
  			}
  		},
  		'cookware-group': { // #...{...}, #...
  			pattern: new RegExp('#(?:'
  				+ multi_token
  				+ '|'
  				+ single_token_suffix
  				+ ')'
  			),
  			inside: {
  				'cookware': {
  					pattern: new RegExp('(^#)(?:'
  						+ multi_token_infix
  						+ ')'
  					),
  					lookbehind: true,
  					alias: 'variable',
  				},
  				'cookware-keyword': {
  					pattern: /^#/,
  					alias: 'keyword',
  				},
  				'quantity-group': {
  					pattern: new RegExp(/\{[^{}@#]*\}/),
  					inside: {
  						'quantity': {
  							pattern: new RegExp(/(^\{)/.source + multi_token_infix),
  							lookbehind: true,
  							alias: 'number',
  						},
  						'punctuation': /[{}]/,
  					}
  				}
  			},
  		},
  		'ingredient-group': { // @...{...}, @...
  			pattern: new RegExp('@(?:'
  				+ multi_token
  				+ '|'
  				+ single_token_suffix
  				+ ')'),
  			inside: {
  				'ingredient': {
  					pattern: new RegExp('(^@)(?:'
  						+ multi_token_infix
  						+ ')'),
  					lookbehind: true,
  					alias: 'variable',
  				},
  				'ingredient-keyword': {
  					pattern: /^@/,
  					alias: 'keyword',
  				},
  				'amount-group': amount_group_impl,
  			}
  		},
  		'timer-group': { // ~timer{...}
  			// eslint-disable-next-line regexp/sort-alternatives
  			pattern: /~(?!\s)[^@#~{}]*\{[^{}]*\}/,
  			inside: {
  				'timer': {
  					pattern: /(^~)[^{]+/,
  					lookbehind: true,
  					alias: 'variable',
  				},
  				'duration-group': { // {...}
  					pattern: /\{[^{}]*\}/,
  					inside: {
  						'punctuation': /[{}]/,
  						'unit': {
  							pattern: new RegExp(/(%\s*)/.source + timer_units + /\b/.source),
  							lookbehind: true,
  							alias: 'symbol',
  						},
  						'operator': /%/,
  						'duration': {
  							pattern: /\d+/,
  							alias: 'number',
  						},
  					}
  				},
  				'timer-keyword': {
  					pattern: /^~/,
  					alias: 'keyword',
  				},
  			}
  		}
  	};
  }(Prism));
  

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