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webpack.config.js
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webpack.config.js
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const path = require("path");
const glob = require("glob");
const R = require("ramda");
const { setEntriesForPath, addRule, prependExtensions } = require("./util/compose");
const env = require("./util/env");
const RESOURCES_PATH = "src/main/resources";
// ----------------------------------------------------------------------------
// Base config
// ----------------------------------------------------------------------------
const config = {
context: path.join(__dirname, RESOURCES_PATH),
entry: {},
externals: [/^\/lib\/(.+|\$)$/i],
output: {
path: path.join(__dirname, "/build/resources/main"),
filename: "[name].js",
libraryTarget: "commonjs",
},
resolve: {
extensions: [],
},
optimization: {
minimize: false,
},
mode: env.type,
// Source maps are not usable in server scripts
devtool: false,
};
// ----------------------------------------------------------------------------
// JavaScript loaders
// ----------------------------------------------------------------------------
function listEntries(extensions, ignoreList) {
const CLIENT_FILES = glob.sync(`${RESOURCES_PATH}/assets/**/*.${extensions}`);
const IGNORED_FILES = R.pipe(
R.map((entry) => path.join(RESOURCES_PATH, entry)),
R.concat(CLIENT_FILES)
)(ignoreList);
const SERVER_FILES = glob.sync(`${RESOURCES_PATH}/**/*.${extensions}`, { absolute: false, ignore: IGNORED_FILES });
return SERVER_FILES.map((entry) => path.relative(RESOURCES_PATH, entry));
}
// TYPESCRIPT
function addTypeScriptSupport(cfg) {
const rule = {
test: /\.ts$/,
exclude: /node_modules/,
loader: "ts-loader",
options: {
configFile: "tsconfig.json",
},
};
const entries = listEntries("ts", [
// Add additional files to the ignore list.
// The following path will be transformed to 'src/main/resources/types.ts:
"types.ts",
]).filter((entry) => entry.indexOf(".d.ts") === -1);
return R.pipe(setEntriesForPath(entries), addRule(rule), prependExtensions([".ts", ".json"]))(cfg);
}
// BABEL
function addBabelSupport(cfg) {
const rule = {
test: /\.(es6?|js)$/,
exclude: /node_modules/,
loader: "babel-loader",
options: {
babelrc: false,
plugins: [],
presets: [
[
"@babel/preset-env",
{
// Use custom Browserslist config
targets: "node 0.10",
// Polyfills are not required in runtime
useBuiltIns: false,
},
],
],
},
};
const entries = listEntries("{js,es,es6}", [
// Add additional files to the ignore list.
// The following path will be transformed to 'src/main/resources/lib/observe/observe.es6':
"lib/observe/observe.es6",
]);
return R.pipe(setEntriesForPath(entries), addRule(rule), prependExtensions([".js", ".es", ".es6", ".json"]))(cfg);
}
// ----------------------------------------------------------------------------
// Result config
// ----------------------------------------------------------------------------
module.exports = R.pipe(addBabelSupport, addTypeScriptSupport)(config);