es.string.from-code-point.js
5d92ed19fb80issn4frontend

es.string.from-code-point.js
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			var $ = require('../internals/export');
			var uncurryThis = require('../internals/function-uncurry-this');
			var toAbsoluteIndex = require('../internals/to-absolute-index');

			var $RangeError = RangeError;
			var fromCharCode = String.fromCharCode;
			// eslint-disable-next-line es/no-string-fromcodepoint -- required for testing
			var $fromCodePoint = String.fromCodePoint;
			var join = uncurryThis([].join);

			// length should be 1, old FF problem
			var INCORRECT_LENGTH = !!$fromCodePoint && $fromCodePoint.length != 1;

			// `String.fromCodePoint` method
			// https://tc39.es/ecma262/#sec-string.fromcodepoint
			$({ target: 'String', stat: true, arity: 1, forced: INCORRECT_LENGTH }, {
			// eslint-disable-next-line no-unused-vars -- required for `.length`
			fromCodePoint: function fromCodePoint(x) {
			var elements = [];
			var length = arguments.length;
			var i = 0;
			var code;
			while (length > i) {
			code = +arguments[i++];
			if (toAbsoluteIndex(code, 0x10FFFF) !== code) throw $RangeError(code + ' is not a valid code point');
			elements[i] = code < 0x10000
			? fromCharCode(code)
			: fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00);
			} return join(elements, '');
			}
			});