alertmanager/ui/react-app/webpack.dev.ts

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// Copyright 2023 The Perses Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import fs from 'fs';
import { Configuration } from 'webpack';
import { Configuration as DevServerConfig, ServerConfiguration } from 'webpack-dev-server';
import { merge } from 'webpack-merge';
import { commonConfig } from './webpack.common';
// eslint-disable-next-line @typescript-eslint/no-var-requires
require('dotenv-defaults').config();
declare module 'webpack' {
interface Configuration {
devServer?: DevServerConfig | undefined;
}
}
// Get dev server HTTP options (note: HTTP2 is not currently supported by webpack since we're on Node 16)
function getServerConfig(): ServerConfiguration | undefined {
// Just use regular HTTP by default
if (process.env.HTTPS !== 'true') {
return undefined;
}
// Support the same HTTPS options as Creact React App if HTTPS is set
if (process.env.SSL_KEY_FILE === undefined || process.env.SSL_CRT_FILE === undefined) {
// Use the default self-signed cert
return { type: 'https' };
}
// Use a custom cert
return {
type: 'https',
options: {
key: fs.readFileSync(process.env.SSL_KEY_FILE),
cert: fs.readFileSync(process.env.SSL_CRT_FILE),
},
};
}
// Webpack configuration in dev
const devConfig: Configuration = {
mode: 'development',
devtool: 'cheap-module-source-map',
output: {
pathinfo: true,
},
watchOptions: {
aggregateTimeout: 300,
},
devServer: {
port: parseInt(process.env.PORT ?? '3000'),
open: true,
server: getServerConfig(),
historyApiFallback: true,
allowedHosts: 'all',
proxy: {
'/api': 'http://localhost:8080',
},
},
cache: true,
};
const merged = merge(commonConfig, devConfig);
export default merged;