konnosprism.ts79 lines · main
| 1 | // Prism syntax highlighting referenced from Refractor |
| 2 | // https://github.com/wooorm/refractor/blob/main/lang/dart.js |
| 3 | |
| 4 | export function dart(Prism: any) { |
| 5 | // Handles named imports, such as http.Client |
| 6 | const keywords = [ |
| 7 | /\b(?:async|sync|yield)\*/, |
| 8 | /\b(?:abstract|assert|async|await|break|case|catch|class|const|continue|covariant|default|deferred|do|dynamic|else|enum|export|extends|extension|external|factory|final|finally|for|get|hide|if|implements|import|in|interface|library|mixin|new|null|on|operator|part|rethrow|return|set|show|static|super|switch|sync|this|throw|try|typedef|var|void|while|with|yield)\b/, |
| 9 | ] |
| 10 | |
| 11 | // based on the dart naming conventions |
| 12 | const packagePrefix = /(^|[^\w.])(?:[a-z]\w*\s*\.\s*)*(?:[A-Z]\w*\s*\.\s*)*/.source |
| 13 | |
| 14 | const className = { |
| 15 | pattern: RegExp(packagePrefix + /[A-Z](?:[\d_A-Z]*[a-z]\w*)?\b/.source), |
| 16 | lookbehind: true, |
| 17 | inside: { |
| 18 | namespace: { |
| 19 | pattern: /^[a-z]\w*(?:\s*\.\s*[a-z]\w*)*(?:\s*\.)?/, |
| 20 | inside: { |
| 21 | punctuation: /\./, |
| 22 | }, |
| 23 | }, |
| 24 | }, |
| 25 | } |
| 26 | |
| 27 | Prism.languages.dart = Prism.languages.extend('clike', { |
| 28 | 'class-name': [ |
| 29 | className, |
| 30 | { |
| 31 | // variables and parameters |
| 32 | // supports class names (or generic parameters) which do not contain a lower case letter (also works for methods) |
| 33 | pattern: RegExp(packagePrefix + /[A-Z]\w*(?=\s+\w+\s*[;,=()])/.source), |
| 34 | lookbehind: true, |
| 35 | inside: className.inside, |
| 36 | }, |
| 37 | ], |
| 38 | keyword: keywords, |
| 39 | operator: /\bis!|\b(?:as|is)\b|\+\+|--|&&|\|\||<<=?|>>=?|~(?:\/=?)?|[+\-*\/%&^|=!<>]=?|\?/, |
| 40 | }) |
| 41 | Prism.languages.insertBefore('dart', 'string', { |
| 42 | 'string-literal': { |
| 43 | pattern: /r?(?:("""|''')[\s\S]*?\1|(["'])(?:\\.|(?!\2)[^\\\r\n])*\2(?!\2))/, |
| 44 | greedy: true, |
| 45 | inside: { |
| 46 | interpolation: { |
| 47 | pattern: /((?:^|[^\\])(?:\\{2})*)\$(?:\w+|\{(?:[^{}]|\{[^{}]*\})*\})/, |
| 48 | lookbehind: true, |
| 49 | inside: { |
| 50 | punctuation: /^\$\{?|\}$/, |
| 51 | expression: { |
| 52 | pattern: /[\s\S]+/, |
| 53 | inside: Prism.languages.dart, |
| 54 | }, |
| 55 | }, |
| 56 | }, |
| 57 | string: /[\s\S]+/, |
| 58 | }, |
| 59 | }, |
| 60 | string: undefined, |
| 61 | }) |
| 62 | Prism.languages.insertBefore('dart', 'class-name', { |
| 63 | metadata: { |
| 64 | pattern: /@\w+/, |
| 65 | alias: 'function', |
| 66 | }, |
| 67 | }) |
| 68 | Prism.languages.insertBefore('dart', 'class-name', { |
| 69 | generics: { |
| 70 | pattern: /<(?:[\w\s,.&?]|<(?:[\w\s,.&?]|<(?:[\w\s,.&?]|<[\w\s,.&?]*>)*>)*>)*>/, |
| 71 | inside: { |
| 72 | 'class-name': className, |
| 73 | keyword: keywords, |
| 74 | punctuation: /[<>(),.:]/, |
| 75 | operator: /[?&|]/, |
| 76 | }, |
| 77 | }, |
| 78 | }) |
| 79 | } |