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preact.config.js
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preact.config.js
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/**
* https://dl2.dev - DL2 IT Services Ltd
* Owlsome solutions. Owltstanding results.
*/
import { DefinePlugin, WatchIgnorePlugin } from "webpack";
import resolveEnvVars from "resolve-env-vars";
import TerserPlugin from "terser-webpack-plugin";
/**
* Mutates original webpack config
*
* @param {object} config original webpack config.
* @param {object} env options passed to CLI.
* @param {WebpackConfigHelpers} helpers object with useful
* helpers when working with config.
*
* @returns {object} modified webpack config
*/
export default function(config, env, helpers) {
const { mode } = config;
helpers.getLoadersByName(config, "css-loader").forEach(({ loader }) => {
loader.loader = "typings-for-css-modules-loader";
loader.options = Object.assign(loader.options, {
camelCase: true,
localIdentName: "dl2__[hash:base64:8]",
module: true,
namedExport: true,
silent: false,
});
});
if (mode === "production" && !!config.optimization.minimizer) {
config.optimization.minimizer.map((minimizer) => {
if (minimizer instanceof TerserPlugin) {
Object.assign(minimizer.options, {
sourceMap: false,
terserOptions: {
extractComments: "all",
compress: {
drop_console: true,
},
},
});
}
});
}
const { stringified } = resolveEnvVars("DL2_");
config.plugins.push(new DefinePlugin(stringified));
config.plugins.push(new WatchIgnorePlugin([/css.d.ts$/]));
return config;
}