github/JavaScriptServices
1
1
Fork 0
mirror of https://github.com/aspnet/JavaScriptServices.git synced 2025-12-22 09:37:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

In WebpackDevMiddleware.ts, support loading Webpack config files with __esModule. Fixes #1378

Browse Source
This commit is contained in:
Steve Sanderson
2017-11-09 16:57:57 -08:00
parent 0c77224f46
commit 08002e961b
1 changed files with 8 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/Microsoft.AspNetCore.SpaServices/npm/aspnet-webpack/src/WebpackDevMiddleware.ts
View File

@@ -23,6 +23,7 @@ interface CreateDevServerOptions {
hotModuleReplacementEndpointUrl: string;
}
type EsModuleExports<T> = { __esModule: true, default: T };
type StringMap<T> = [(key: string) => T];
// These are the options configured in C# and then JSON-serialized, hence the C#-style naming
@@ -39,7 +40,8 @@ type WebpackConfigOrArray = webpack.Configuration | webpack.Configuration[];
interface WebpackConfigFunc {
(env?: any): WebpackConfigOrArray;
}
type WebpackConfigFileExport = WebpackConfigOrArray | WebpackConfigFunc;
type WebpackConfigExport = WebpackConfigOrArray | WebpackConfigFunc;
type WebpackConfigModuleExports = WebpackConfigExport | EsModuleExports<WebpackConfigExport>;
function attachWebpackDevMiddleware(app: any, webpackConfig: webpack.Configuration, enableHotModuleReplacement: boolean, enableReactHotModuleReplacement: boolean, hmrClientOptions: StringMap<string>, hmrServerEndpoint: string) {
// Build the final Webpack config based on supplied options
@@ -235,7 +237,11 @@ export function createWebpackDevServer(callback: CreateDevServerCallback, option
}
// Read the webpack config's export, and normalize it into the more general 'array of configs' format
let webpackConfigExport: WebpackConfigFileExport = requireNewCopy(options.webpackConfigPath);
const webpackConfigModuleExports: WebpackConfigModuleExports = requireNewCopy(options.webpackConfigPath);
let webpackConfigExport = (webpackConfigModuleExports as EsModuleExports<{}>).__esModule === true
? (webpackConfigModuleExports as EsModuleExports<WebpackConfigExport>).default
: (webpackConfigModuleExports as WebpackConfigExport);
if (webpackConfigExport instanceof Function) {
// If you export a function, we'll call it with an undefined 'env' arg, since we have nothing else
// to pass. This is the same as what the webpack CLI tool does if you specify no '--env.x' values.