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package t
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// TypeScript lexer.
var TypeScript = internal.Register(MustNewLazyLexer(
&Config{
Name: "TypeScript",
Aliases: []string{"ts", "tsx", "typescript"},
Filenames: []string{"*.ts", "*.tsx"},
MimeTypes: []string{"text/x-typescript"},
DotAll: true,
EnsureNL: true,
},
typeScriptRules,
))
func typeScriptRules() Rules {
return Rules{
"commentsandwhitespace": {
{`\s+`, Text, nil},
{`<!--`, Comment, nil},
{`//.*?\n`, CommentSingle, nil},
{`/\*.*?\*/`, CommentMultiline, nil},
},
"slashstartsregex": {
Include("commentsandwhitespace"),
{`/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/([gim]+\b|\B)`, LiteralStringRegex, Pop(1)},
{`(?=/)`, Text, Push("#pop", "badregex")},
Default(Pop(1)),
},
"badregex": {
{`\n`, Text, Pop(1)},
},
"root": {
Include("jsx"),
{`^(?=\s|/|<!--)`, Text, Push("slashstartsregex")},
Include("commentsandwhitespace"),
{`\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|(<<|>>>?|==?|!=?|[-<>+*%&|^/])=?`, Operator, Push("slashstartsregex")},
{`[{(\[;,]`, Punctuation, Push("slashstartsregex")},
{`[})\].]`, Punctuation, nil},
{`(for|in|of|while|do|break|return|yield|continue|switch|case|default|if|else|throw|try|catch|finally|new|delete|typeof|instanceof|keyof|asserts|is|infer|await|void|this)\b`, Keyword, Push("slashstartsregex")},
{`(var|let|with|function)\b`, KeywordDeclaration, Push("slashstartsregex")},
{`(abstract|async|boolean|class|const|debugger|enum|export|extends|from|get|global|goto|implements|import|interface|namespace|package|private|protected|public|readonly|require|set|static|super|type)\b`, KeywordReserved, nil},
{`(true|false|null|NaN|Infinity|undefined)\b`, KeywordConstant, nil},
{`(Array|Boolean|Date|Error|Function|Math|Number|Object|Packages|RegExp|String|decodeURI|decodeURIComponent|encodeURI|encodeURIComponent|eval|isFinite|isNaN|parseFloat|parseInt|document|this|window)\b`, NameBuiltin, nil},
{`\b(module)(\s*)(\s*[\w?.$][\w?.$]*)(\s*)`, ByGroups(KeywordReserved, Text, NameOther, Text), Push("slashstartsregex")},
{`\b(string|bool|number|any|never|object|symbol|unique|unknown|bigint)\b`, KeywordType, nil},
{`\b(constructor|declare|interface|as)\b`, KeywordReserved, nil},
{`(super)(\s*)(\([\w,?.$\s]+\s*\))`, ByGroups(KeywordReserved, Text), Push("slashstartsregex")},
{`([a-zA-Z_?.$][\w?.$]*)\(\) \{`, NameOther, Push("slashstartsregex")},
{`([\w?.$][\w?.$]*)(\s*:\s*)([\w?.$][\w?.$]*)`, ByGroups(NameOther, Text, KeywordType), nil},
{`[$a-zA-Z_]\w*`, NameOther, nil},
{`[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?`, LiteralNumberFloat, nil},
{`0x[0-9a-fA-F]+`, LiteralNumberHex, nil},
{`[0-9]+`, LiteralNumberInteger, nil},
{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
{`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
{"`", LiteralStringBacktick, Push("interp")},
{`@\w+`, KeywordDeclaration, nil},
},
"interp": {
{"`", LiteralStringBacktick, Pop(1)},
{`\\\\`, LiteralStringBacktick, nil},
{"\\\\`", LiteralStringBacktick, nil},
{`\$\{`, LiteralStringInterpol, Push("interp-inside")},
{`\$`, LiteralStringBacktick, nil},
{"[^`\\\\$]+", LiteralStringBacktick, nil},
},
"interp-inside": {
{`\}`, LiteralStringInterpol, Pop(1)},
Include("root"),
},
"jsx": {
{`(<)(/?)(>)`, ByGroups(Punctuation, Punctuation, Punctuation), nil},
{`(<)([\w\.]+)`, ByGroups(Punctuation, NameTag), Push("tag")},
{`(<)(/)([\w\.]*)(>)`, ByGroups(Punctuation, Punctuation, NameTag, Punctuation), nil},
},
"tag": {
{`\s+`, Text, nil},
{`([\w]+\s*)(=)(\s*)`, ByGroups(NameAttribute, Operator, Text), Push("attr")},
{`[{}]+`, Punctuation, nil},
{`[\w\.]+`, NameAttribute, nil},
{`(/?)(\s*)(>)`, ByGroups(Punctuation, Text, Punctuation), Pop(1)},
},
"attr": {
{`{`, Punctuation, Push("expression")},
{`".*?"`, LiteralString, Pop(1)},
{`'.*?'`, LiteralString, Pop(1)},
Default(Pop(1)),
},
"expression": {
{`{`, Punctuation, Push()},
{`}`, Punctuation, Pop(1)},
Include("root"),
},
}
}
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