before-build-webpack

Webpack (v1-5) plugin that gives ability to add callback
before build (or after, or any other event hook).
Can stop compilation by condition.

!tests status

Installation

``
npm install --save-dev before-build-webpack
`

Usage

In config file:

` javascript
var WebpackBeforeBuildPlugin = require('before-build-webpack');
// ...
module: {
plugins: [
new WebpackBeforeBuildPlugin(function(stats, callback) {
// Do whatever you want...
callback(); // don't call it if you do want to stop compilation
}),
]
},
// ...
`

OR (more power)

` javascript
// ...
module: {
plugins: [
new WebpackBeforeBuildPlugin(function(stats, callback) {
// ...
}, ['run', 'watch-run', 'done']), // will fire before build and after build
]
},
// ...
`
You can use pre-v4 or v4 hook names (i.e. any of watch-run and watchRun`)