46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
// Adapted from https://github.com/mathiasbynens/he/blob/36afe179392226cf1b6ccdb16ebbb7a5a844d93a/src/he.js#L106-L134
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const decodeMap = new Map([
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[0, 65_533],
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// C1 Unicode control character reference replacements
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[128, 8364],
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[130, 8218],
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[131, 402],
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[132, 8222],
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[133, 8230],
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[134, 8224],
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[135, 8225],
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[136, 710],
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[137, 8240],
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[138, 352],
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[139, 8249],
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[140, 338],
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[142, 381],
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[145, 8216],
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[146, 8217],
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[147, 8220],
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[148, 8221],
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[149, 8226],
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[150, 8211],
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[151, 8212],
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[152, 732],
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[153, 8482],
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[154, 353],
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[155, 8250],
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[156, 339],
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[158, 382],
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[159, 376],
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]);
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/**
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* Replace the given code point with a replacement character if it is a
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* surrogate or is outside the valid range. Otherwise return the code
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* point unchanged.
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* @param codePoint Unicode code point to convert.
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*/
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export function replaceCodePoint(codePoint) {
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if ((codePoint >= 0xd8_00 && codePoint <= 0xdf_ff) ||
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codePoint > 0x10_ff_ff) {
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return 0xff_fd;
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}
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return decodeMap.get(codePoint) ?? codePoint;
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}
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//# sourceMappingURL=decode-codepoint.js.map
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