prism/components/prism-cooklang.js

147 lines
2.9 KiB
JavaScript

(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));