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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,
))
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