decode_codepoint.js
1.13 KB
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var decode_json_1 = __importDefault(require("./maps/decode.json"));
// Adapted from https://github.com/mathiasbynens/he/blob/master/src/he.js#L94-L119
var fromCodePoint =
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
String.fromCodePoint ||
function (codePoint) {
var output = "";
if (codePoint > 0xffff) {
codePoint -= 0x10000;
output += String.fromCharCode(((codePoint >>> 10) & 0x3ff) | 0xd800);
codePoint = 0xdc00 | (codePoint & 0x3ff);
}
output += String.fromCharCode(codePoint);
return output;
};
function decodeCodePoint(codePoint) {
if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {
return "\uFFFD";
}
if (codePoint in decode_json_1.default) {
codePoint = decode_json_1.default[codePoint];
}
return fromCodePoint(codePoint);
}
exports.default = decodeCodePoint;