ut2/lib/isTypedArray.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 nodeUtil = require('./internals/nodeUtil.js');
var isArrayLikeObject = require('./isArrayLikeObject.js');

var typedArrayPattern = /\[object ((I|Ui)nt(8|16|32)|Float(16|32|64)|Uint8Clamped|Big(I|Ui)nt64)Array\]/;
function isTypedArray(value) {
    if (nodeUtil.nodeIsTypedArray) {
        return nodeUtil.nodeIsTypedArray(value);
    }
    if (isArrayLikeObject(value)) {
        return typedArrayPattern.test(getTag(value));
    }
    return false;
}

module.exports = isTypedArray;