Prism.languages.livescript = { 'comment': [ { pattern: /(^|[^\\])\/\*[\s\S]*?\*\//, lookbehind: true }, { pattern: /(^|[^\\])#.*/, lookbehind: true } ], 'interpolated-string': { /* Look-behind and look-ahead prevents wrong behavior of the greedy pattern * forcing it to match """-quoted string when it would otherwise match "-quoted first. */ pattern: /(^|[^"])("""|")(?:\\[\s\S]|(?!\2)[^\\])*\2(?!")/, lookbehind: true, greedy: true, inside: { 'variable': { pattern: /(^|[^\\])#[a-z_](?:-?[a-z]|[\d_])*/m, lookbehind: true }, 'interpolation': { pattern: /(^|[^\\])#\{[^}]+\}/m, lookbehind: true, inside: { 'interpolation-punctuation': { pattern: /^#\{|\}$/, alias: 'variable' } // See rest below } }, 'string': /[\s\S]+/ } }, 'string': [ { pattern: /('''|')(?:\\[\s\S]|(?!\1)[^\\])*\1/, greedy: true }, { pattern: /<\[[\s\S]*?\]>/, greedy: true }, /\\[^\s,;\])}]+/ ], 'regex': [ { pattern: /\/\/(\[.+?]|\\.|(?!\/\/)[^\\])+\/\/[gimyu]{0,5}/, greedy: true, inside: { 'comment': { pattern: /(^|[^\\])#.*/, lookbehind: true } } }, { pattern: /\/(\[.+?]|\\.|[^/\\\r\n])+\/[gimyu]{0,5}/, greedy: true } ], 'keyword': { pattern: /(^|(?!-).)\b(?:break|case|catch|class|const|continue|default|do|else|extends|fallthrough|finally|for(?: ever)?|function|if|implements|it|let|loop|new|null|otherwise|own|return|super|switch|that|then|this|throw|try|unless|until|var|void|when|while|yield)(?!-)\b/m, lookbehind: true }, 'keyword-operator': { pattern: /(^|[^-])\b(?:(?:delete|require|typeof)!|(?:and|by|delete|export|from|import(?: all)?|in|instanceof|is(?:nt| not)?|not|of|or|til|to|typeof|with|xor)(?!-)\b)/m, lookbehind: true, alias: 'operator' }, 'boolean': { pattern: /(^|[^-])\b(?:false|no|off|on|true|yes)(?!-)\b/m, lookbehind: true }, 'argument': { // Don't match .&. nor && pattern: /(^|(?!\.&\.)[^&])&(?!&)\d*/m, lookbehind: true, alias: 'variable' }, 'number': /\b(?:\d+~[\da-z]+|\d[\d_]*(?:\.\d[\d_]*)?(?:[a-z]\w*)?)/i, 'identifier': /[a-z_](?:-?[a-z]|[\d_])*/i, 'operator': [ // Spaced . { pattern: /( )\.(?= )/, lookbehind: true }, // Full list, in order: // .= .~ .. ... // .&. .^. .<<. .>>. .>>>. // := :: ::= // && // || |> // < << <<< <<<< // <- <-- <-! <--! // <~ <~~ <~! <~~! // <| <= >> >= >? // - -- -> --> // + ++ // @ @@ // % %% // * ** // ! != !~= // !~> !~~> // !-> !--> // ~ ~> ~~> ~= // = == // ^ ^^ // / ? /\.(?:[=~]|\.\.?)|\.(?:[&|^]|<<|>>>?)\.|:(?:=|:=?)|&&|\|[|>]|<(?:<[>=?]?|-(?:->?|>)?|\+\+?|@@?|%%?|\*\*?|!(?:~?=|--?>|~?~>)?|~(?:~?>|=)?|==?|\^\^?|[\/?]/ ], 'punctuation': /[(){}\[\]|.,:;`]/ }; Prism.languages.livescript['interpolated-string'].inside['interpolation'].inside.rest = Prism.languages.livescript;