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| 1 | +import * as Hapi from 'hapi'; |
| 2 | +import * as Webpack from 'webpack'; |
| 3 | + |
| 4 | +import * as WebpackDevMiddleware from 'webpack-dev-middleware'; |
| 5 | +import * as WebpackHotMiddleware from 'webpack-hot-middleware'; |
| 6 | + |
| 7 | +export interface WebpackDevServerPluginOptions { |
| 8 | + compiler: Webpack.Compiler; |
| 9 | + devMiddlewareOptions: WebpackDevMiddleware.Options; |
| 10 | +} |
| 11 | + |
| 12 | +export interface WebpackDevServerPluginProperties { |
| 13 | + devMiddleware: WebpackDevMiddleware.WebpackDevMiddleware; |
| 14 | +} |
| 15 | + |
| 16 | +declare module 'hapi' { |
| 17 | + interface PluginProperties { |
| 18 | + WebpackDevServerPlugin?: WebpackDevServerPluginProperties; |
| 19 | + } |
| 20 | +} |
| 21 | + |
| 22 | +/** |
| 23 | + * WebpackDevServerPlugin provides access to the Webpack development server. |
| 24 | + */ |
| 25 | +const WebpackDevServerPlugin: Hapi.Plugin<WebpackDevServerPluginOptions> & Hapi.PluginNameVersion = { |
| 26 | + name: 'WebpackDevServerPlugin', |
| 27 | + register: async (server, options) => { |
| 28 | + const webpackDevMiddleware = WebpackDevMiddleware(options.compiler, options.devMiddlewareOptions); |
| 29 | + const webpackHotMiddleware = WebpackHotMiddleware(options.compiler, { |
| 30 | + path: '/__webpack_hmr', |
| 31 | + }); |
| 32 | + |
| 33 | + server.ext('onRequest', async (request, h) => { |
| 34 | + try { |
| 35 | + await webpackDevMiddleware(request.raw.req, request.raw.res, (err: Error) => { |
| 36 | + // webpack-dev-middleware never calls the callback with an err object. |
| 37 | + // See node_modules/webpack-dev-middleware/lib/middleware.js. |
| 38 | + }); |
| 39 | + return h.continue; |
| 40 | + } catch (err) { |
| 41 | + return err; |
| 42 | + } |
| 43 | + }); |
| 44 | + |
| 45 | + server.ext('onRequest', async (request, h) => { |
| 46 | + try { |
| 47 | + await new Promise((resolve, reject) => { |
| 48 | + webpackHotMiddleware(request.raw.req, request.raw.res, (err: Error) => { |
| 49 | + if (err) { |
| 50 | + reject(err); |
| 51 | + } else { |
| 52 | + resolve(); |
| 53 | + } |
| 54 | + }); |
| 55 | + }); |
| 56 | + return h.continue; |
| 57 | + } catch (err) { |
| 58 | + return err; |
| 59 | + } |
| 60 | + }); |
| 61 | + |
| 62 | + server.expose('devMiddleware', webpackDevMiddleware); |
| 63 | + }, |
| 64 | +}; |
| 65 | + |
| 66 | +export default WebpackDevServerPlugin; |
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