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(function (Prism) {
Prism.languages.typescript = Prism.languages.extend('javascript', {
'class-name': {
pattern:
/(\b(?:class|extends|implements|instanceof|interface|new|type)\s+)(?!keyof\b)(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*(?:\s*<(?:[^<>]|<(?:[^<>]|<[^<>]*>)*>)*>)?/,
lookbehind: true,
greedy: true,
inside: null, // see below
},
builtin:
/\b(?:Array|Function|Promise|any|boolean|console|never|number|string|symbol|unknown)\b/,
});
// The keywords TypeScript adds to JavaScript
Prism.languages.typescript.keyword.push(
/\b(?:abstract|declare|is|keyof|readonly|require)\b/,
// keywords that have to be followed by an identifier
/\b(?:asserts|infer|interface|module|namespace|type)\b(?=\s*(?:[{_$a-zA-Z\xA0-\uFFFF]|$))/,
// This is for `import type *, {}`
/\btype\b(?=\s*(?:[\{*]|$))/
);
// doesn't work with TS because TS is too complex
delete Prism.languages.typescript['parameter'];
delete Prism.languages.typescript['literal-property'];
// a version of typescript specifically for highlighting types
var typeInside = Prism.languages.extend('typescript', {});
delete typeInside['class-name'];
Prism.languages.typescript['class-name'].inside = typeInside;
Prism.languages.insertBefore('typescript', 'function', {
decorator: {
pattern: /@[$\w\xA0-\uFFFF]+/,
inside: {
at: {
pattern: /^@/,
alias: 'operator',
},
function: /^[\s\S]+/,
},
},
'generic-function': {
// e.g. foo<T extends "bar" | "baz">( ...
pattern:
/#?(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*\s*<(?:[^<>]|<(?:[^<>]|<[^<>]*>)*>)*>(?=\s*\()/,
greedy: true,
inside: {
function: /^#?(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*/,
generic: {
pattern: /<[\s\S]+/, // everything after the first <
alias: 'class-name',
inside: typeInside,
},
},
},
});
Prism.languages.ts = Prism.languages.typescript;
})(Prism);
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