hexo/node_modules/highlight.js/es/languages/dart.js

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2023-09-25 15:58:56 +08:00
/*
Language: Dart
Requires: markdown.js
Author: Maxim Dikun <dikmax@gmail.com>
Description: Dart a modern, object-oriented language developed by Google. For more information see https://www.dartlang.org/
Website: https://dart.dev
Category: scripting
*/
/** @type LanguageFn */
function dart(hljs) {
const SUBST = {
className: 'subst',
variants: [ { begin: '\\$[A-Za-z0-9_]+' } ]
};
const BRACED_SUBST = {
className: 'subst',
variants: [
{
begin: /\$\{/,
end: /\}/
}
],
keywords: 'true false null this is new super'
};
const STRING = {
className: 'string',
variants: [
{
begin: 'r\'\'\'',
end: '\'\'\''
},
{
begin: 'r"""',
end: '"""'
},
{
begin: 'r\'',
end: '\'',
illegal: '\\n'
},
{
begin: 'r"',
end: '"',
illegal: '\\n'
},
{
begin: '\'\'\'',
end: '\'\'\'',
contains: [
hljs.BACKSLASH_ESCAPE,
SUBST,
BRACED_SUBST
]
},
{
begin: '"""',
end: '"""',
contains: [
hljs.BACKSLASH_ESCAPE,
SUBST,
BRACED_SUBST
]
},
{
begin: '\'',
end: '\'',
illegal: '\\n',
contains: [
hljs.BACKSLASH_ESCAPE,
SUBST,
BRACED_SUBST
]
},
{
begin: '"',
end: '"',
illegal: '\\n',
contains: [
hljs.BACKSLASH_ESCAPE,
SUBST,
BRACED_SUBST
]
}
]
};
BRACED_SUBST.contains = [
hljs.C_NUMBER_MODE,
STRING
];
const BUILT_IN_TYPES = [
// dart:core
'Comparable',
'DateTime',
'Duration',
'Function',
'Iterable',
'Iterator',
'List',
'Map',
'Match',
'Object',
'Pattern',
'RegExp',
'Set',
'Stopwatch',
'String',
'StringBuffer',
'StringSink',
'Symbol',
'Type',
'Uri',
'bool',
'double',
'int',
'num',
// dart:html
'Element',
'ElementList'
];
const NULLABLE_BUILT_IN_TYPES = BUILT_IN_TYPES.map((e) => `${e}?`);
const BASIC_KEYWORDS = [
"abstract",
"as",
"assert",
"async",
"await",
"break",
"case",
"catch",
"class",
"const",
"continue",
"covariant",
"default",
"deferred",
"do",
"dynamic",
"else",
"enum",
"export",
"extends",
"extension",
"external",
"factory",
"false",
"final",
"finally",
"for",
"Function",
"get",
"hide",
"if",
"implements",
"import",
"in",
"inferface",
"is",
"late",
"library",
"mixin",
"new",
"null",
"on",
"operator",
"part",
"required",
"rethrow",
"return",
"set",
"show",
"static",
"super",
"switch",
"sync",
"this",
"throw",
"true",
"try",
"typedef",
"var",
"void",
"while",
"with",
"yield"
];
const KEYWORDS = {
keyword: BASIC_KEYWORDS,
built_in:
BUILT_IN_TYPES
.concat(NULLABLE_BUILT_IN_TYPES)
.concat([
// dart:core
'Never',
'Null',
'dynamic',
'print',
// dart:html
'document',
'querySelector',
'querySelectorAll',
'window'
]),
$pattern: /[A-Za-z][A-Za-z0-9_]*\??/
};
return {
name: 'Dart',
keywords: KEYWORDS,
contains: [
STRING,
hljs.COMMENT(
/\/\*\*(?!\/)/,
/\*\//,
{
subLanguage: 'markdown',
relevance: 0
}
),
hljs.COMMENT(
/\/{3,} ?/,
/$/, { contains: [
{
subLanguage: 'markdown',
begin: '.',
end: '$',
relevance: 0
}
] }
),
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE,
{
className: 'class',
beginKeywords: 'class interface',
end: /\{/,
excludeEnd: true,
contains: [
{ beginKeywords: 'extends implements' },
hljs.UNDERSCORE_TITLE_MODE
]
},
hljs.C_NUMBER_MODE,
{
className: 'meta',
begin: '@[A-Za-z]+'
},
{ begin: '=>' // No markup, just a relevance booster
}
]
};
}
export { dart as default };