Created
July 28, 2020 15:30
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Prism.languages.javascript = Prism.languages.extend('clike', { | |
'class-name': [ | |
Prism.languages.clike['class-name'], | |
{ | |
pattern: /(^|[^$\w\xA0-\uFFFF])[_$A-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\.(?:prototype|constructor))/, | |
lookbehind: true | |
} | |
], | |
'keyword': [ | |
{ | |
pattern: /((?:^|})\s*)(?:catch|finally)\b/, | |
lookbehind: true | |
}, | |
{ | |
pattern: /(^|[^.]|\.\.\.\s*)\b(?:as|async(?=\s*(?:function\b|\(|[$\w\xA0-\uFFFF]|$))|await|break|case|class|const|continue|debugger|default|delete|do|else|enum|export|extends|for|from|function|(?:get|set)(?=\s*[\[$\w\xA0-\uFFFF])|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|static|super|switch|this|throw|try|typeof|undefined|var|void|while|with|yield)\b/, | |
lookbehind: true | |
}, | |
], | |
'number': /\b(?:(?:0[xX](?:[\dA-Fa-f](?:_[\dA-Fa-f])?)+|0[bB](?:[01](?:_[01])?)+|0[oO](?:[0-7](?:_[0-7])?)+)n?|(?:\d(?:_\d)?)+n|NaN|Infinity)\b|(?:\b(?:\d(?:_\d)?)+\.?(?:\d(?:_\d)?)*|\B\.(?:\d(?:_\d)?)+)(?:[Ee][+-]?(?:\d(?:_\d)?)+)?/, | |
// Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444) | |
'function': /#?[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*(?:\.\s*(?:apply|bind|call)\s*)?\()/, | |
'operator': /--|\+\+|\*\*=?|=>|&&=?|\|\|=?|[!=]==|<<=?|>>>?=?|[-+*/%&|^!=<>]=?|\.{3}|\?\?=?|\?\.?|[~:]/ | |
}); | |
Prism.languages.javascript['class-name'][0].pattern = /(\b(?:class|interface|extends|implements|instanceof|new)\s+)[\w.\\]+/; | |
Prism.languages.insertBefore('javascript', 'keyword', { | |
'regex': { | |
pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s]|\b(?:return|yield))\s*)\/(?:\[(?:[^\]\\\r\n]|\\.)*]|\\.|[^/\\\[\r\n])+\/[gimyus]{0,6}(?=(?:\s|\/\*(?:[^*]|\*(?!\/))*\*\/)*(?:$|[\r\n,.;:})\]]|\/\/))/, | |
lookbehind: true, | |
greedy: true | |
}, | |
// This must be declared before keyword because we use "function" inside the look-forward | |
'function-variable': { | |
pattern: /#?[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*[=:]\s*(?:async\s*)?(?:\bfunction\b|(?:\((?:[^()]|\([^()]*\))*\)|[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)\s*=>))/, | |
alias: 'function' | |
}, | |
'parameter': [ | |
{ | |
pattern: /(function(?:\s+[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)?\s*\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\))/, | |
lookbehind: true, | |
inside: Prism.languages.javascript | |
}, | |
{ | |
pattern: /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*=>)/i, | |
inside: Prism.languages.javascript | |
}, | |
{ | |
pattern: /(\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*=>)/, | |
lookbehind: true, | |
inside: Prism.languages.javascript | |
}, | |
{ | |
pattern: /((?:\b|\s|^)(?!(?:as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|undefined|var|void|while|with|yield)(?![$\w\xA0-\uFFFF]))(?:[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*\s*)\(\s*|\]\s*\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*\{)/, | |
lookbehind: true, | |
inside: Prism.languages.javascript | |
} | |
], | |
'constant': /\b[A-Z](?:[A-Z_]|\dx?)*\b/ | |
}); | |
Prism.languages.insertBefore('javascript', 'string', { | |
'template-string': { | |
pattern: /`(?:\\[\s\S]|\${(?:[^{}]|{(?:[^{}]|{[^}]*})*})+}|(?!\${)[^\\`])*`/, | |
greedy: true, | |
inside: { | |
'template-punctuation': { | |
pattern: /^`|`$/, | |
alias: 'string' | |
}, | |
'interpolation': { | |
pattern: /((?:^|[^\\])(?:\\{2})*)\${(?:[^{}]|{(?:[^{}]|{[^}]*})*})+}/, | |
lookbehind: true, | |
inside: { | |
'interpolation-punctuation': { | |
pattern: /^\${|}$/, | |
alias: 'punctuation' | |
}, | |
rest: Prism.languages.javascript | |
} | |
}, | |
'string': /[\s\S]+/ | |
} | |
} | |
}); | |
if (Prism.languages.markup) { | |
Prism.languages.markup.tag.addInlined('script', 'javascript'); | |
} | |
Prism.languages.js = Prism.languages.javascript; |
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