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The V8 JavaScript-engine developers recommend using this extension: https://v8.dev/features/modules#mjs Also, add the fairly new "JavaScript source" as magic description. This fulfills https://savannah.gnu.org/bugs/?65334. Requested-by: Matt Whitlock <gnu@mattwhitlock.name>
28 lines
850 B
Plaintext
28 lines
850 B
Plaintext
## Syntax highlighting for Javascript.
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syntax javascript "\.m?js$"
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magic "JavaScript source"
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comment "//"
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# Declarational stuff.
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color green "\<(async|class|const|extends|function|let|this|typeof|var|void)\>"
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# Flow control and special keywords.
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color brightyellow "\<(do|while|if|else|switch|case|default|for|each|in|of|with)\>"
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color brightyellow "\<(await|export|import|throw|try|catch|finally|new|delete)\>"
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# "Exit" points.
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color magenta "\<(break|continue|return|yield)\>"
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# Octal/decimal and hexadecimal numbers.
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color cyan "\<([0-9]+|0x[[:xdigit:]]+)\>"
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# Special values.
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color cyan "\<(true|false|null|undefined)\>"
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# Strings.
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color brightmagenta ""([^"\]|\\.)*"|'([^'\]|\\.)*'|`([^`\]|\\.)*`"
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# Comments.
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color brightblue "(^|[[:blank:]])//.*"
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color brightblue start="/\*" end="\*/"
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# Trailing whitespace.
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color ,green "[[:space:]]+$"
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