Package detail

assert-is-object-x

Xotic7502.1kMIT3.1.2

If IsObject(value) is false, throw a TypeError exception.

es6, assertIsObject, module, javascript

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assert-is-object-x

If IsObject(value) is false, throw a TypeError exception.

module.exports(value)*

Tests value to see if it is an object, throws a TypeError if it is not. Otherwise returns the value.

Kind: Exported function
Returns: * - Returns value if it is an object.
Throws:

  • TypeError Throws if value is not an object.
Param Type Description
value * The argument to be tested.
[message] string Optional alternative message.

Example

import assertIsObject from 'assert-is-object-x';

const primitive = true;
const mySymbol = Symbol('mySymbol');
const symObj = Object(mySymbol);
const object = {};
const fn = function fn() {};

assertIsObject(primitive); // TypeError 'true is not an object'
assertIsObject(mySymbol); // TypeError 'Symbol(mySymbol) is not an object'
assertIsObject(symObj); // Returns symObj.
assertIsObject(object); // Returns object.
assertIsObject(fn); // Returns fn.