es-toolkit/dist/predicate/isFile.js

A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.

const require_isBlob = require("./isBlob.js");
//#region src/predicate/isFile.ts
/**
* Checks if the given value is a File.
*
* This function tests whether the provided value is an instance of `File`.
* It returns `true` if the value is an instance of `File`, and `false` otherwise.
*
* @param x - The value to test if it is a File.
* @returns True if the value is a File, false otherwise.
*
* @example
* const value1 = new File(["content"], "example.txt");
* const value2 = {};
* const value3 = new Blob(["content"], { type: "text/plain" });
*
* console.log(isFile(value1)); // true
* console.log(isFile(value2)); // false
* console.log(isFile(value3)); // false
*/
function isFile(x) {
	if (typeof File === "undefined") return false;
	return require_isBlob.isBlob(x) && x instanceof File;
}
//#endregion
exports.isFile = isFile;