71 lines
No EOL
2.1 KiB
JavaScript
71 lines
No EOL
2.1 KiB
JavaScript
// Adapted from https://github.com/mathiasbynens/he/blob/36afe179392226cf1b6ccdb16ebbb7a5a844d93a/src/he.js#L106-L134
|
|
var _a;
|
|
const decodeMap = new Map([
|
|
[0, 65533],
|
|
// C1 Unicode control character reference replacements
|
|
[128, 8364],
|
|
[130, 8218],
|
|
[131, 402],
|
|
[132, 8222],
|
|
[133, 8230],
|
|
[134, 8224],
|
|
[135, 8225],
|
|
[136, 710],
|
|
[137, 8240],
|
|
[138, 352],
|
|
[139, 8249],
|
|
[140, 338],
|
|
[142, 381],
|
|
[145, 8216],
|
|
[146, 8217],
|
|
[147, 8220],
|
|
[148, 8221],
|
|
[149, 8226],
|
|
[150, 8211],
|
|
[151, 8212],
|
|
[152, 732],
|
|
[153, 8482],
|
|
[154, 353],
|
|
[155, 8250],
|
|
[156, 339],
|
|
[158, 382],
|
|
[159, 376],
|
|
]);
|
|
/**
|
|
* Polyfill for `String.fromCodePoint`. It is used to create a string from a Unicode code point.
|
|
*/
|
|
export const fromCodePoint =
|
|
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition, node/no-unsupported-features/es-builtins
|
|
(_a = String.fromCodePoint) !== null && _a !== void 0 ? _a : function (codePoint) {
|
|
let output = "";
|
|
if (codePoint > 0xffff) {
|
|
codePoint -= 0x10000;
|
|
output += String.fromCharCode(((codePoint >>> 10) & 0x3ff) | 0xd800);
|
|
codePoint = 0xdc00 | (codePoint & 0x3ff);
|
|
}
|
|
output += String.fromCharCode(codePoint);
|
|
return output;
|
|
};
|
|
/**
|
|
* Replace the given code point with a replacement character if it is a
|
|
* surrogate or is outside the valid range. Otherwise return the code
|
|
* point unchanged.
|
|
*/
|
|
export function replaceCodePoint(codePoint) {
|
|
var _a;
|
|
if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {
|
|
return 0xfffd;
|
|
}
|
|
return (_a = decodeMap.get(codePoint)) !== null && _a !== void 0 ? _a : codePoint;
|
|
}
|
|
/**
|
|
* Replace the code point if relevant, then convert it to a string.
|
|
*
|
|
* @deprecated Use `fromCodePoint(replaceCodePoint(codePoint))` instead.
|
|
* @param codePoint The code point to decode.
|
|
* @returns The decoded code point.
|
|
*/
|
|
export default function decodeCodePoint(codePoint) {
|
|
return fromCodePoint(replaceCodePoint(codePoint));
|
|
}
|
|
//# sourceMappingURL=decode_codepoint.js.map
|