我寫了一個(gè)模塊，我剛才將其發(fā)布到npm（https://npmjs.org/package/wisp）因此，可以從命令行安裝正常：$ npm i -g wisp但是，當(dāng)我從命令行運(yùn)行它時(shí)，我不斷收到未安裝樂觀主義者的錯(cuò)誤：$ 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中指定了依賴性：{ "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" }}有誰知道該怎么做才能運(yùn)行？我知道它與bin部分有關(guān)，將可執(zhí)行文件添加到bin中，該目錄中的node_modules為空。不知道如何解決這個(gè)問題。
3 回答
Qyouu
TA貢獻(xiàn)1786條經(jīng)驗(yàn) 獲得超11個(gè)贊
對(duì)于遇到此問題的其他任何人，由于我npm將其安裝到不在我的位置上而遇到了這個(gè)問題NODE_PATH。
[root@uberneek ~]# which npm
/opt/bin/npm
[root@uberneek ~]# which node
/opt/bin/node
[root@uberneek ~]# echo $NODE_PATH
我的NODE_PATH為空，運(yùn)行npm install --global --verbose promised-io顯示它正在安裝到中/opt/lib/node_modules/promised-io：
[root@uberneek ~]# npm install --global --verbose promised-io
npm info it worked if it ends with ok
npm verb cli [ '/opt/bin/node',
npm verb cli '/opt/bin/npm',
npm verb cli 'install',
npm verb cli '--global',
npm verb cli '--verbose',
npm verb cli 'promised-io' ]
npm info using npm@1.1.45
npm info using node@v0.8.4
[cut]
npm info build /opt/lib/node_modules/promised-io
npm verb from cache /opt/lib/node_modules/promised-io/package.json
npm verb linkStuff [ true, '/opt/lib/node_modules', true, '/opt/lib/node_modules' ]
[cut]
我的腳本失敗require('promised-io/promise')：
[neek@uberneek project]$ node buildscripts/stringsmerge.js
module.js:340
throw err;
^
Error: Cannot find module 'promised-io/promise'
at Function.Module._resolveFilename (module.js:338:15)
我可能使用的源安裝了node和npm configure --prefix=/opt。我不知道為什么這使他們無法找到已安裝的模塊?，F(xiàn)在的解決方法是將NODE_PATH指向正確的目錄：
export NODE_PATH=/opt/lib/node_modules
我require('promised-io/promise')現(xiàn)在成功了。
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