DeletePropertyOrThrow.js

'use strict';

var GetIntrinsic = require('../GetIntrinsic');

var $TypeError = GetIntrinsic('%TypeError%');

var IsPropertyKey = require('./IsPropertyKey');
var Type = require('./Type');

// https://www.ecma-international.org/ecma-262/6.0/#sec-deletepropertyorthrow

module.exports = function DeletePropertyOrThrow(O, P) {
	if (Type(O) !== 'Object') {
		throw new $TypeError('Assertion failed: Type(O) is not Object');
	}

	if (!IsPropertyKey(P)) {
		throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');
	}

	// eslint-disable-next-line no-param-reassign
	var success = delete O[P];
	if (!success) {
		throw new $TypeError('Attempt to delete property failed.');
	}
	return success;
};