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webpack.main.js
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webpack.main.js
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const path = require("path");
const { spawn } = require('child_process');
const { CleanWebpackPlugin } = require("clean-webpack-plugin");
const DefinePlugin = require("webpack").DefinePlugin;
// const to avoid typos
const DEVELOPMENT = "development";
const PRODUCTION = "production";
const isDev = (process.env.NODE_ENV === DEVELOPMENT);
/**
* Restart electron process on code cahnge (dev mode)
*/
let electronProcess = undefined;
const electronReload = function () {
const startElectron = () => {
const electron = require('electron');
console.log("path: " + process.cwd() + " " + electron);
const args = ['-r process', "./dist/main-process.js"];
electronProcess = spawn(electron, args, { stdio: 'inherit' });
console.log(`[${new Date().toISOString()}] [webpack-electron-reload] [server] started electron process: ${electronProcess.pid}`);
};
const restartElectron = () => {
console.log(`[${new Date().toISOString()}] [webpack-electron-reload] [server] killing electron process: ${electronProcess.pid}`);
try {
process.kill(electronProcess.pid, 9);
} catch (error) {
console.error(error);
}
startElectron();
};
return {
apply: function apply(compiler) {
compiler.hooks.done.tap("ElectronReload", () => {
if (!electronProcess) {
startElectron();
} else {
restartElectron();
}
});
},
};
};
/**
* Common webpack configuration
*/
const common = {
context: path.join(__dirname, "src"),
devtool: isDev ? 'inline-source-map' : false,
mode: isDev ? DEVELOPMENT : PRODUCTION,
output: {
filename: "[name].js",
path: path.join(__dirname, "dist")
},
resolve: {
extensions: ['.tsx', '.ts', '.js']
},
module: {
rules: [
{
test: /\.(js|ts)$/,
enforce: 'pre',
use: [
{
options: {
eslintPath: require.resolve('eslint'),
},
loader: require.resolve('eslint-loader'),
},
],
exclude: /node_modules/,
},
{
test: /\.(js|ts)$/,
exclude: /node_modules/,
use: {
loader: "babel-loader",
}
}
]
},
};
const main = {
target: "electron-main",
entry: {
"main-process": "./main-process.ts"
},
plugins: [
...isDev ? [] : [new CleanWebpackPlugin({
cleanOnceBeforeBuildPatterns: ["main-process.*.js"]
})],
// inject this becaus the main process uses different logic for prod and dev.
new DefinePlugin({
"ENVIRONMENT": JSON.stringify(isDev ? DEVELOPMENT : PRODUCTION) // this variable name must match the one declared in the main process file.
}),
...isDev ? [electronReload()] : []
]
};
const owaPreload = {
target: "electron-preload",
entry: {
"owa-preload": "./owa-preload.ts"
},
plugins: [
...isDev ? [] : [new CleanWebpackPlugin({
cleanOnceBeforeBuildPatterns: ["owa-preload.js"]
})],
new DefinePlugin({
"ENVIRONMENT": JSON.stringify(isDev ? DEVELOPMENT : PRODUCTION)
}),
]
}
const settingsPreload = {
target: "electron-preload",
entry: {
"settings-preload": "./settings-preload.ts"
},
plugins: [
...isDev ? [] : [new CleanWebpackPlugin({
cleanOnceBeforeBuildPatterns: ["settings-preload.js"]
})],
new DefinePlugin({
"ENVIRONMENT": JSON.stringify(isDev ? DEVELOPMENT : PRODUCTION)
}),
]
}
module.exports = [{ ...common, ...owaPreload }, { ...common, ...settingsPreload }, { ...common, ...main }];