sourcecred/config/webpack.config.backend.js

77 lines
2.6 KiB
JavaScript

// @flow
// Do this as the first thing so that any code reading it knows the right env.
process.env.NODE_ENV = process.env.NODE_ENV || "development";
process.env.BABEL_ENV = process.env.NODE_ENV;
process.env.SOURCECRED_BACKEND = "true";
const webpack = require("webpack");
const ModuleScopePlugin = require("react-dev-utils/ModuleScopePlugin");
const RemoveBuildDirectoryPlugin = require("./RemoveBuildDirectoryPlugin");
const paths = require("./paths");
const nodeExternals = require("webpack-node-externals");
const getClientEnvironment = require("./env");
const env = getClientEnvironment(null);
// This is the backend configuration. It builds applications that target
// Node and will not run in a browser.
module.exports = {
// Don't attempt to continue if there are any errors.
bail: true,
// Target Node instead of the browser.
target: "node",
node: {
// Don't munge `__dirname` and `__filename`.
// https://github.com/webpack/webpack/issues/1599#issuecomment-186841345
__dirname: false,
__filename: false,
},
entry: paths.backendEntryPoints,
externals: [nodeExternals()],
output: {
path: paths.backendBuild,
// Generated JS file names (with nested folders).
// There will be one main bundle, and one file per asynchronous chunk.
// We don't currently advertise code splitting but Webpack supports it.
filename: "[name].js",
chunkFilename: "[name].[chunkhash:8].chunk.js",
libraryTarget: "umd",
},
resolve: {
extensions: [".js", ".json"],
plugins: [
// Prevents users from importing files from outside of src/ (or node_modules/).
// This often causes confusion because we only process files within src/ with babel.
// To fix this, we prevent you from importing files out of src/ -- if you'd like to,
// please link the files into your node_modules/ and let module-resolution kick in.
// Make sure your source files are compiled, as they will not be processed in any way.
new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
],
},
module: {
strictExportPresence: true,
rules: [
{
// "oneOf" will traverse all following loaders until one will
// match the requirements. If no loader matches, it will fail.
oneOf: [
// Process JS with Babel.
{
test: /\.(js|jsx|mjs)$/,
include: paths.appSrc,
loader: require.resolve("babel-loader"),
options: {
compact: true,
},
},
],
},
],
},
plugins: [
new RemoveBuildDirectoryPlugin(),
new webpack.DefinePlugin(env.individuallyStringified),
],
};