ut2/lib/isFile.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

'use strict';

var getTag = require('./internals/getTag.js');
var native = require('./internals/native.js');

var fileExisted = typeof File !== native.stringUndefined;
function isFile(value) {
    if (fileExisted && value instanceof File) {
        return true;
    }
    return getTag(value) === native.fileTag;
}

module.exports = isFile;