nano editor syntax highlight

javascript.nanorc

## https://nano-editor.org/dist/v2.2/nano.html#Nanorc-Files

syntax "javascript" "\.(js|jsx)$"

## Default
color white "^.+$"

## Decimal, cotal and hexadecimal numbers
color brightblue "\<[-+]?([1-9][0-9]*|0[0-7]*|0x[0-9a-fA-F]+)([uU][lL]?|[lL][uU]?)?\>"

## Floating point number with at least one digit before decimal point
color brightblue "\<[-+]?([0-9]+\.[0-9]*|[0-9]*\.[0-9]+)([EePp][+-]?[0-9]+)?[fFlL]?"
color brightblue "\<[-+]?([0-9]+[EePp][+-]?[0-9]+)[fFlL]?"

## Boolean
color brightblue "\<(true|false)\>"

## Special types
color red "\<(null|undefined|NaN)\>"

## Function call
color brightwhite "\w+\(" "\(" "\)"

## Keywords
color green "\<(abstract|await|boolean|break|byte|case|catch|char)\>"
color green "\<(class|const|continue|debugger|default|delete|double)\>"
color green "\<(do|else|enum|export|extends|finally|final|float|for)\>"
color green "\<(from|function|goto|if|implements|import|instanceof)\>"
color green "\<(interface|int|in|let|long|native|new|package|private)\>"
color green "\<(protected|public|return|short|static|super|switch)\>"
color green "\<(synchronized|self|this|throw|transient|try|typeof)\>"
color green "\<(var|void|volatile|while|with|yield|async)\>"
color green "\=>"

## Type specifiers
color yellow "\b[A-Z]\w+"
color brightyellow "\<(Array|Boolean|Date|Enumerator|Function|Math|BigInt)\>"
color brightyellow "\<(Number|Object|RegExp|String|Promise|Infinity)\>"
color brightyellow "\<(Map|Set|JSON|ArrayBuffer)\>"

## Decorators
color brightblue "@\w+"

## Errors
color brightred "(Error|AggregateError|EvalError|InternalError|RangeError)"
color brightred "(ReferenceError|SyntaxError|TypeError|URIError)"
color brightred "\b\w+Error\b"

## Constants
color brightmagenta "\b[A-Z_]+\b"

## String
color brightblack "L?\"(\\"|[^"])*\""
color brightblack "L?'(\'|[^'])*'"
color brightblack "L?`(\`|[^`])*`"
color brightblack start="`" end="`"
color brightcyan,blue start="\$\{" end="\}"

## Comments
color white,blue start="/\*" end="\*/"
color white,blue "//.*$"

## Comment keywords
color brightwhite,blue "(@author|@version|@since|@see|@param|@return|@exception)"
color brightwhite,blue "(@throws|@deprecated|@link|@value|@type|@code|@literal)"
color brightwhite,blue "(@serial|@data|@field|@required|@default)"

## Escapes
color magenta "\\[0-7][0-7]?[0-7]?|\\x[0-9a-fA-F]+|\\[bfnrt'"\?\\]"

## Trailing whitespace
color ,red "[[:space:]]+$"

## Semicolon highlight
color brightgreen "\;$"

jsx hightlight will be added soon