3.1.2 • Published 5 years ago
assert-is-object-x v3.1.2
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.
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