no git submodules

vendor/github.com/alecthomas/chroma/lexers/j/javascript.go

@@ -0,0 +1,74 @@
+package j
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Javascript lexer.
+var JavascriptRules = Rules{
+	"commentsandwhitespace": {
+		{`\s+`, Text, nil},
+		{`<!--`, Comment, nil},
+		{`//.*?\n`, CommentSingle, nil},
+		{`/\*.*?\*/`, CommentMultiline, nil},
+	},
+	"slashstartsregex": {
+		Include("commentsandwhitespace"),
+		{`/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/([gimuy]+\b|\B)`, LiteralStringRegex, Pop(1)},
+		{`(?=/)`, Text, Push("#pop", "badregex")},
+		Default(Pop(1)),
+	},
+	"badregex": {
+		{`\n`, Text, Pop(1)},
+	},
+	"root": {
+		{`\A#! ?/.*?\n`, CommentHashbang, nil},
+		{`^(?=\s|/|<!--)`, Text, Push("slashstartsregex")},
+		Include("commentsandwhitespace"),
+		{`\d+(\.\d*|[eE][+\-]?\d+)`, LiteralNumberFloat, nil},
+		{`0[bB][01]+`, LiteralNumberBin, nil},
+		{`0[oO][0-7]+`, LiteralNumberOct, nil},
+		{`0[xX][0-9a-fA-F]+`, LiteralNumberHex, nil},
+		{`[0-9][0-9_]*`, LiteralNumberInteger, nil},
+		{`\.\.\.|=>`, Punctuation, nil},
+		{`\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|(<<|>>>?|==?|!=?|[-<>+*%&|^/])=?`, Operator, Push("slashstartsregex")},
+		{`[{(\[;,]`, Punctuation, Push("slashstartsregex")},
+		{`[})\].]`, Punctuation, nil},
+		{`(for|in|while|do|break|return|continue|switch|case|default|if|else|throw|try|catch|finally|new|delete|typeof|instanceof|void|yield|this|of)\b`, Keyword, Push("slashstartsregex")},
+		{`(var|let|with|function)\b`, KeywordDeclaration, Push("slashstartsregex")},
+		{`(abstract|async|await|boolean|byte|char|class|const|debugger|double|enum|export|extends|final|float|goto|implements|import|int|interface|long|native|package|private|protected|public|short|static|super|synchronized|throws|transient|volatile)\b`, KeywordReserved, nil},
+		{`(true|false|null|NaN|Infinity|undefined)\b`, KeywordConstant, nil},
+		{`(Array|Boolean|Date|Error|Function|Math|netscape|Number|Object|Packages|RegExp|String|Promise|Proxy|sun|decodeURI|decodeURIComponent|encodeURI|encodeURIComponent|Error|eval|isFinite|isNaN|isSafeInteger|parseFloat|parseInt|document|this|window)\b`, NameBuiltin, nil},
+		{`(?:[$_\p{L}\p{N}]|\\u[a-fA-F0-9]{4})(?:(?:[$\p{L}\p{N}]|\\u[a-fA-F0-9]{4}))*`, NameOther, nil},
+		{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
+		{`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
+		{"`", LiteralStringBacktick, Push("interp")},
+	},
+	"interp": {
+		{"`", LiteralStringBacktick, Pop(1)},
+		{`\\\\`, LiteralStringBacktick, nil},
+		{"\\\\`", LiteralStringBacktick, nil},
+		{"\\\\[^`\\\\]", LiteralStringBacktick, nil},
+		{`\$\{`, LiteralStringInterpol, Push("interp-inside")},
+		{`\$`, LiteralStringBacktick, nil},
+		{"[^`\\\\$]+", LiteralStringBacktick, nil},
+	},
+	"interp-inside": {
+		{`\}`, LiteralStringInterpol, Pop(1)},
+		Include("root"),
+	},
+}
+
+// Javascript lexer.
+var Javascript = internal.Register(MustNewLexer( // nolint: forbidigo
+	&Config{
+		Name:      "JavaScript",
+		Aliases:   []string{"js", "javascript"},
+		Filenames: []string{"*.js", "*.jsm", "*.mjs"},
+		MimeTypes: []string{"application/javascript", "application/x-javascript", "text/x-javascript", "text/javascript"},
+		DotAll:    true,
+		EnsureNL:  true,
+	},
+	JavascriptRules,
+))