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【备忘】node require path 动态配置 #11

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@codezyc

Description

1、将要引入的模块的路径添加到module.paths中

// 当前目录: /usr/local/test/index.js
// gulp模块所在路径为 /usr/lib/node_modules
module.paths.push('/usr/lib/node_modules');
console.log(module.paths);
var gulp = require('gulp');

2、path注册到process上,并重新执行node的路径初始化函数

// 当前目录: /usr/local/test/index.js
// gulp模块所在路径为 /usr/lib/node_modules
process.env.NODE_PATH='/usr/lib/node_modules';
require('module').Module._initPaths();
// 或者 module.constructor._initPaths()
var gulp = require('gulp');

3、path挂到global对象上

// 当前目录: /usr/local/test/index.js
// gulp模块所在路径为 /usr/lib/node_modules
 
global._root = '/usr/lib/node_modules';
var path = require('path');
var gulp = require(path.join(_root,'gulp'));

参考链接

node模块加载层级优化

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