@nx/webpack/src/migrations/update-19-6-3/proxy-config.js

The Nx Plugin for Webpack contains executors and generators that support building applications using Webpack.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = update;
const devkit_1 = require("@nx/devkit");
const executor_options_utils_1 = require("@nx/devkit/src/generators/executor-options-utils");
async function update(tree) {
    const unmigratedConfigs = [];
    const migrate = (options) => {
        if (!options.proxyConfig)
            return;
        if (options.proxyConfig.endsWith('.json')) {
            (0, devkit_1.updateJson)(tree, options.proxyConfig, (json) => {
                if (Array.isArray(json))
                    return json;
                if (typeof json === 'object') {
                    return Object.keys(json).map((context) => ({
                        context: [context],
                        ...json[context],
                    }));
                }
                return json;
            });
        }
        else {
            // For non-JSON files, it's not possible to automatically update the proxy config
            // since its content can vary greatly.
            unmigratedConfigs.push(options.proxyConfig);
        }
    };
    (0, executor_options_utils_1.forEachExecutorOptions)(tree, '@nx/webpack:dev-server', migrate);
    // React dev-server calls Webpack dev-server.
    (0, executor_options_utils_1.forEachExecutorOptions)(tree, '@nx/react:module-federation-dev-server', migrate);
    if (unmigratedConfigs.length > 0) {
        devkit_1.logger.warn(`Some proxy config files need to be updated manually.
  ${unmigratedConfigs.join('\n  ')}
  
Webpack-dev-server v5 changed the proxy config schema to accept only an array.

For example, if you had the following:

"proxy": {
  "/api": { 
    "target": "http://localhost:3000"
   }
}

It needs to be updated to:

"proxy": [{
  "context": ["/api"],
  "target": "http://localhost:3000"
}]

More information: https://github.com/webpack/webpack-dev-server/blob/master/migration-v5.md
`);
    }
}