@msfw/cli/dist/lib/features/webpack/merge-config.js

Install the package in your project directory with:

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.mergeWebpackConfig = mergeWebpackConfig;
const webpack_merge_1 = __importDefault(require("webpack-merge"));
const logger_1 = require("../../logger");
const utils_1 = require("../../utils");
function addAlias(webpackConfig, webpackAlias) {
    if (webpackConfig.resolve) {
        // TODO: ensure is a plain object, if not, log an error.
        webpackConfig.resolve.alias = Object.assign(webpackConfig.resolve.alias || {}, webpackAlias);
    }
    (0, logger_1.log)('Added webpack alias.');
}
function giveTotalControl(webpackConfig, configureWebpack, context) {
    if ((0, utils_1.isFunction)(configureWebpack)) {
        webpackConfig = configureWebpack(webpackConfig, context);
        if (!webpackConfig) {
            throw new Error("craco: 'webpack.configure' function didn't returned a webpack config object.");
        }
    }
    else {
        webpackConfig = (0, webpack_merge_1.default)(webpackConfig, configureWebpack);
    }
    (0, logger_1.log)("Merged webpack config with 'webpack.configure'.");
    return webpackConfig;
}
function mergeWebpackConfig(msfwConfig, webpackConfig, context) {
    let resultingWebpackConfig = webpackConfig;
    if (msfwConfig.webpack) {
        const { alias, configure } = msfwConfig.webpack;
        if (alias) {
            addAlias(resultingWebpackConfig, alias);
        }
        if (configure) {
            resultingWebpackConfig = giveTotalControl(resultingWebpackConfig, configure, context);
        }
    }
    return resultingWebpackConfig;
}