一尘不染

NPM全局安装“找不到模块”

node.js

我写了一个模块,我刚才将其发布到npm(https://npmjs.org/package/wisp)

因此,可以从命令行进行安装:

$ npm i -g wisp

但是,当我从命令行运行它时,我不断收到未安装乐观主义者的错误消息:

$ wisp 
Error: Cannot find module 'optimist'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Module.require (module.js:362:17)
    at require (module.js:378:17)
    at Object.<anonymous> (/usr/local/lib/node_modules/wisp/wisp:12:10)
    at Object.<anonymous> (/usr/local/lib/node_modules/wisp/wisp:96:4)
    at Module._compile (module.js:449:26)
    at Object.exports.run (/usr/local/lib/node_modules/coffee-script/lib/coffee-script/coffee-script.js:68:25)
    at compileScript (/usr/local/lib/node_modules/coffee-script/lib/coffee-script/command.js:135:29)
    at fs.stat.notSources.(anonymous function) (/usr/local/lib/node_modules/coffee-script/lib/coffee-script/command.js:110:18)

但是,我在package.json中指定了依赖性:

{
  "name": "wisp",
  "author": "Brendan Scarvell <bscarvell@gmail.com>",
  "version": "0.1.0",
  "description": "Global nodejs file server",
  "dependencies": {
    "optimist": "~0.3.4"
  },
  "repository": "git://github.com/tehlulz/wisp",
  "bin": {
    "wisp" : "./wisp"
  }
}

有谁知道该怎么做才能使它运行?我知道它与bin部分有关,将可执行文件添加到bin中,该目录中的node_modules为空。不知道如何解决这个问题。


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2020-07-07

共1个答案

一尘不染

对于遇到此问题的其他任何人,由于我npm将其安装到不在我的位置上而遇到了这个问题NODE_PATH

[root@uberneek ~]# which npm
/opt/bin/npm
[root@uberneek ~]# which node
/opt/bin/node
[root@uberneek ~]# echo $NODE_PATH

我的NODE_PATH为空,运行npm install --global --verbose promised- io显示它正在安装到中/opt/lib/node_modules/promised-io

[root@uberneek ~]# npm install --global --verbose promised-io
npm info it worked if it ends with ok
npm verb cli [ '/opt/bin/node',
npm verb cli   '/opt/bin/npm',
npm verb cli   'install',
npm verb cli   '--global',
npm verb cli   '--verbose',
npm verb cli   'promised-io' ]
npm info using npm@1.1.45
npm info using node@v0.8.4
[cut]
npm info build /opt/lib/node_modules/promised-io
npm verb from cache /opt/lib/node_modules/promised-io/package.json
npm verb linkStuff [ true, '/opt/lib/node_modules', true, '/opt/lib/node_modules' ]
[cut]

我的脚本失败require('promised-io/promise')

[neek@uberneek project]$ node buildscripts/stringsmerge.js

module.js:340
    throw err;
          ^
Error: Cannot find module 'promised-io/promise'
    at Function.Module._resolveFilename (module.js:338:15)

我可能使用的源安装了node和npm configure --prefix=/opt。我不知道为什么这使他们无法找到已安装的模块。现在的解决方法是将NODE_PATH指向正确的目录:

export NODE_PATH=/opt/lib/node_modules

require('promised-io/promise')现在成功了。

2020-07-07