biofriction-wp-theme/node_modules/core-js/modules/_string-at.js

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2021-10-26 14:18:09 +02:00
var toInteger = require('./_to-integer');
var defined = require('./_defined');
// true -> String#at
// false -> String#codePointAt
module.exports = function (TO_STRING) {
return function (that, pos) {
var s = String(defined(that));
var i = toInteger(pos);
var l = s.length;
var a, b;
if (i < 0 || i >= l) return TO_STRING ? '' : undefined;
a = s.charCodeAt(i);
return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
? TO_STRING ? s.charAt(i) : a
: TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
};
};