Function fromString

test/babel.js:45917–45939

(that, string, encoding)

	};

	function fromString(that, string, encoding) {
	  if (typeof encoding !== 'string' || encoding === '') {
	    encoding = 'utf8';
	  }

	  if (!Buffer.isEncoding(encoding)) {
	    throw new TypeError('"encoding" must be a valid string encoding');
	  }

	  var length = byteLength(string, encoding) | 0;
	  that = createBuffer(that, length);

	  var actual = that.write(string, encoding);

	  if (actual !== length) {
	    // Writing a hex string, for example, that contains invalid characters will
	    // cause everything after the first invalid character to be ignored. (e.g.
	    // 'abxxcd' will be treated as 'ab')
	    that = that.slice(0, actual);
	  }

	  return that;
	}

	function fromArrayLike(that, array) {
	  var length = array.length < 0 ? 0 : checked(array.length) | 0;