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猪猪侠9527

猪猪侠9527

发布：2019-03-01 11:03
更新：2019-03-01 15:09
阅读：5057

const _ = require('lodash') 导入报错

分类：uni-app

lodash

const _ = require('lodash') 导入运行就会报错
是我姿势不对么?

2019-03-01 11:03 负责人:无分享

5 个回复

最佳回复

Trust - 少说废话

import * as _ from 'lodash';  
// var _ = require('lodash');  
console.log('_:', _.chunk)

经过测试，lodash 这个库在微信小程序平台无法直接使用。

看了一下它编译后的代码，runInContext 这个函数里面的 context 指向了小程序平台的 global 对象，而非预期的 Node 环境下的 global 对象。

可能需要自己手动改下代码，大致思路就是判定一下当前环境是否有 wx 等全局变量来区分小程序与 Node 环境。

Trust - 少说废话

什么平台，代码放哪里了，是不是通过 npm 安装的，请详细描述问题。

猪猪侠9527

猪猪侠9527 (作者)

是按照步骤,npm安装的.

Trust

具体报什么错？运行到浏览器试试呢。

2019-03-01 12:10
猪猪侠9527 (作者)

VM1188:1 thirdScriptError

sdk uncaught third Error

Cannot read property 'prototype' of undefined

TypeError: Cannot read property 'prototype' of undefined

at runInContext (http://127.0.0.1:25684/appservice/common/main.js:1962:27)

at Object.<anonymous> (http://127.0.0.1:25684/appservice/common/main.js:17621:11)

at Object.<anonymous> (http://127.0.0.1:25684/appservice/common/main.js:17640:3)

at Object../node_modules/lodash/lodash.js (http://127.0.0.1:25684/appservice/common/main.js:17642:30)

at webpack_require (http://127.0.0.1:25684/appservice/common/runtime.js:98:31)

at Object.<anonymous> (http://127.0.0.1:25684/appservice/common/main.js:472:736)

at Object.../../../../../../Users/wangq/Desktop/kuaima/xyy-uni-app/util/apis/index.js (http://127.0.0.1:25684/appservice/common/main.js:502:30)

at webpack_require (http://127.0.0.1:25684/appservice/common/runtime.js:98:31)

at Object.../../../../../../Users/wangq/Desktop/kuaima/xyy-uni-app/store/index.js (http://127.0.0.1:25684/appservice/common/main.js:115:15)

at __webpack_require__ (http://127.0.0.1:25684/appservice/common/runtime.js:98:31)

console.error @ VM1188:1

(anonymous) @ WAService.js:1

(anonymous) @ WAService.js:1

e @ appservice?t=1551415763650:3844

window.onerror @ VM1188:1

scriptLoaded @ appservice?t=1551415763650:3984

script.onload @ appservice?t=1551415763650:3996

VM1263:6

2019-03-01 12:49

猪猪侠9527

猪猪侠9527 (作者)

const _ = require('lodash')  
const fs = require('fs')  
const path = require('path')

貌似这样根本没有正常加载模块

猪猪侠9527 (作者)

index.js:12 Uncaught TypeError: fs.readdirSync is not a function

at mapDir (index.js:12)

at Object.<anonymous> (index.js:30)

at Object.../../../../../../Users/wangq/Desktop/kuaima/xyy-uni-app/util/apis/index.js (index.js:2290)

at webpack_require (bootstrap:766)

at fn (bootstrap:129)

at Object.../../../../../../Users/wangq/Desktop/kuaima/xyy-uni-app/store/index.js (index.js:6)

at webpack_require (bootstrap:766)

at fn (bootstrap:129)

at Object.../../../../../../Users/wangq/Desktop/kuaima/xyy-uni-app/main.js (main.js:5)

at __webpack_require__ (bootstrap:766)

2019-03-01 13:20
Trust

回复猪猪侠9527:这是 JavaScript 项目，不是 NodeJS 项目。。。

2019-03-01 14:07
Trust

回复猪猪侠9527:请正确理解 NodeJS 与 npm 的关系

2019-03-01 14:07

猪猪侠9527

猪猪侠9527 (作者)

好的 ,谢谢~~

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