TypeError: Object function Buffer(subject, encoding, offset) { if (!(this instanceof Buffer)) { return new Buffer(subject, encoding, offset); } var type; // Are we slicing? if (typeof offset === 'number') { if (!Buffer.isBuffer(subject)) { throw new TypeError('First argument must be a Buffer when slicing'); } this.length = +encoding > 0 ? Math.ceil(encoding) : 0; this.parent = subject.parent ? subject.parent : subject; this.offset = offset; } else { // Find the length switch (type = typeof subject) { case 'number': this.length = +subject > 0 ? Math.ceil(subject) : 0; break; case 'string': this.length = Buffer.byteLength(subject, encoding); break; case 'object': // Assume object is array-ish this.length = +subject.length > 0 ? Math.ceil(subject.length) : 0; break; default: throw new TypeError('First argument needs to be a number, ' + ....