openmct/.webpack/webpack.dev.js

/* global __dirname module */

/*
This configuration should be used for development purposes. It contains full source map, a
devServer (which be invoked using by `npm start`), and a non-minified Vue.js distribution.
If OpenMCT is to be used for a production server, use webpack.prod.js instead.
*/
const path = require("path");
const webpack = require("webpack");
const { merge } = require("webpack-merge");

const common = require("./webpack.common");
const projectRootDir = path.resolve(__dirname, "..");

module.exports = merge(common, {
    mode: "development",
    watchOptions: {
        // Since we use require.context, webpack is watching the entire directory.
        // We need to exclude any files we don't want webpack to watch.
        // See: https://webpack.js.org/configuration/watch/#watchoptions-exclude
        ignored: [
            "**/{node_modules,dist,docs,e2e}", // All files in node_modules, dist, docs, e2e,
            "**/{*.yml,Procfile,webpack*.js,babel*.js,package*.json,tsconfig.json}", // Config files
            "**/*.{sh,md,png,ttf,woff,svg}", // Non source files
            "**/.*" // dotfiles and dotfolders
        ]
    },
    resolve: {
        alias: {
            vue: path.join(projectRootDir, "node_modules/vue/dist/vue.js")
        }
    },
    plugins: [
        new webpack.DefinePlugin({
            __OPENMCT_ROOT_RELATIVE__: '"dist/"'
        })
    ],
    devtool: "eval-source-map",
    devServer: {
        devMiddleware: {
            writeToDisk: (filePathString) => {
                const filePath = path.parse(filePathString);
                const shouldWrite = !filePath.base.includes("hot-update");

                return shouldWrite;
            }
        },
        watchFiles: ["**/*.css"],
        static: {
            directory: path.join(__dirname, "..", "/dist"),
            publicPath: "/dist",
            watch: false
        },
        client: {
            progress: true,
            overlay: {
                // Disable overlay for runtime errors.
                // See: https://github.com/webpack/webpack-dev-server/issues/4771
                runtimeErrors: false
            }
        }
    }
});