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This repository was archived by the owner on Apr 8, 2020. It is now read-only.
Error after upgrading to latest webpack 2.1 beta #460
Description
In a project that uses Microsoft.AspNetCore.ReactServices I upgraded webpack to the latest beta (that I read will turn final soon) and got this error:
Exception: Call to Node module failed with error: TypeError: Cannot read property 'forEach' of undefined
at Object.addReactHotModuleReplacementBabelTransform (node_modules\aspnet-webpack-react\HotModuleReplacement.js:3:33)
at attachWebpackDevMiddleware (node_modules\aspnet-webpack\WebpackDevMiddleware.js:61:38)
this happens on the line:
app.UseWebpackDevMiddleware(new WebpackDevMiddlewareOptions
{
HotModuleReplacement = true,
ReactHotModuleReplacement = true
});
I think this is caused by the renaming (in webpack 2.1 beta 23) of module loaders to module rules, which I had to change in my webpack.config.
The line that causes the error is:
webpackConfig.module.loaders.forEach(function (loaderConfig) {
If I change this line to
webpackConfig.module.rules.forEach(function (loaderConfig) {
Everything seems to work as before.
Activity
SteveSandersonMS commentedon Nov 25, 2016
Thanks for reporting this!
aspnet-webpack-reactversion 1.0.3 is now published and includes a fix for this.