NativeModule 是如何工作的？它们是否被缓存？
How does a NativeModule function and are they cached?
require('http')
console.log(require.cache.http) // undefined
我在 require.cache 中找不到 http 模块？我怎样才能检测到它是必需的？我发现 process.moduleLoadList 包含字符串 NativeModule http 但没有看到任何对缓存模块的引用 它在哪里？
NativeModule 表示未缓存：已编译。是这样定义的，
NativeModule: a minimal module system used to load the JavaScript core modules found in lib/**/*.js and deps/**/*.js. All core modules are compiled into the node binary via node_javascript.cc generated by js2c.py, so they can be loaded faster without the cost of I/O. This class makes the lib/internal/*, deps/internal/* modules and internalBinding() available by default to core modules, and lets the core modules require itself via require('internal/bootstrap/loaders') even when this file is not written in CommonJS style.
在 周围添加了重点，而没有 I/O“ 的成本，因此不需要缓存。
您可以在lib/internal/bootstrap/loaders.js. You can find the mapping of native modules to source code here, but remember they're not read from disk. You can find js2c.py
中找到该系统
require('http')
console.log(require.cache.http) // undefined
我在 require.cache 中找不到 http 模块？我怎样才能检测到它是必需的？我发现 process.moduleLoadList 包含字符串 NativeModule http 但没有看到任何对缓存模块的引用 它在哪里？
NativeModule 表示未缓存：已编译。是这样定义的，
NativeModule: a minimal module system used to load the JavaScript core modules found in
lib/**/*.jsanddeps/**/*.js. All core modules are compiled into the node binary vianode_javascript.ccgenerated byjs2c.py, so they can be loaded faster without the cost of I/O. This class makes thelib/internal/*,deps/internal/*modules andinternalBinding()available by default to core modules, and lets the core modules require itself viarequire('internal/bootstrap/loaders')even when this file is not written in CommonJS style.
在 周围添加了重点，而没有 I/O“ 的成本，因此不需要缓存。
您可以在lib/internal/bootstrap/loaders.js. You can find the mapping of native modules to source code here, but remember they're not read from disk. You can find js2c.py