_.isBuffer(value)

_.isBuffer(value)

_.isBuffer(new Buffer(2));
// => true
 
_.isBuffer(new Uint8Array(2));
// => false

import root from './.internal/root.js'

/** Detect free variable `exports`. */
//探测exports对象
const freeExports = typeof exports == 'object' && exports !== null && !exports.nodeType && exports

/** Detect free variable `module`. */
//探测module对象
const freeModule = freeExports && typeof module == 'object' && module !== null && !module.nodeType && module

/** Detect the popular CommonJS extension `module.exports`. */
//探测module.exports对象
const moduleExports = freeModule && freeModule.exports === freeExports

/** Built-in value references. */
//内置的Buffer对象引用
const Buffer = moduleExports ? root.Buffer : undefined

/* Built-in method references for those with the same name as other `lodash` methods. */
//内置方法引用，引用原生的Buffer.isBuffer方法
const nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined

/**
 * Checks if `value` is a buffer.
 *
 * @since 4.3.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
 * @example
 *
 * isBuffer(new Buffer(2))
 * // => true
 *
 * isBuffer(new Uint8Array(2))
 * // => false
 */
//判断一个值是否是一个buffer对象
const isBuffer = nativeIsBuffer || (() => false)

export default isBuffer