isBlob
Checks if the given value is a Blob.
This function can also serve as a type predicate in TypeScript, narrowing the type of the argument to Blob.
Signature
typescript
function isBlob(x: unknown): x is Blob;Parameters
x(unknown): The value to test if it is Blob.
Returns
(x is Blob): True if the value is a Blob, false otherwise.
Examples
typescript
const value1 = new Blob();
const value2 = {};
const value3 = new File(['content'], 'example.txt', { type: 'text/plain' });
console.log(isBlob(value1)); // true
console.log(isBlob(value2)); // false
console.log(isBlob(value3)); // true