🔥 node-hot
node-hot is a Node.js package that will automatically monitor and hot reload
modules (stuff that you require
).
Based on this article by Kenneth Chung.
Installation
npm install --save-dev node-hot
Usage
// --- main.js --- // Will only hot reload after this // Globally configure node-hot (optional) ; // Main/entry module can't be reloaded, hence the extra file;
// --- app.js --- {}let foo; if modulehot // Reload this module and its dependencies, when they change (optional) modulehotaccept; // Gets called before reload (optional) modulehot; // Gets called after reload, if there was a store (optional) modulehot; // Replaces class methods and accessors (optional) modulehot; if !foo foo = ;
Once you modify a module on disk, node-hot recursively traverses the dependants of that module, looking for an accepting module. Once it finds that it will re-require
that module.
You usually only need accept
in one of your first modules to run. However, due to the main/entry module being treated differently from the rest by Node.js, you will not be able to accept
from the main/entry module, meaning it can't be reloaded.
You can choose to omit accept
entirely, in which case node-hot will automatically accept
when it reaches a module with no dependants, which will most likely be the modules require
'd by your main module.
License
See LICENSE.