@nx/node/src/generators/application/lib/add-proxy.js

The Node Plugin for Nx contains generators to manage Node applications within an Nx workspace.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.addProxy = addProxy;
const devkit_1 = require("@nx/devkit");
function addProxy(tree, options) {
    const projectConfig = (0, devkit_1.readProjectConfiguration)(tree, options.frontendProject);
    if (projectConfig.targets &&
        ['serve', 'dev'].find((t) => !!projectConfig.targets[t])) {
        const targetName = ['serve', 'dev'].find((t) => !!projectConfig.targets[t]);
        projectConfig.targets[targetName].dependsOn = [
            ...(projectConfig.targets[targetName].dependsOn ?? []),
            `${options.name}:serve`,
        ];
        const pathToProxyFile = `${projectConfig.root}/proxy.conf.json`;
        projectConfig.targets[targetName].options = {
            ...projectConfig.targets[targetName].options,
            proxyConfig: pathToProxyFile,
        };
        if (!tree.exists(pathToProxyFile)) {
            tree.write(pathToProxyFile, JSON.stringify({
                '/api': {
                    target: `http://localhost:${options.port}`,
                    secure: false,
                },
            }, null, 2));
        }
        else {
            //add new entry to existing config
            const proxyFileContent = tree.read(pathToProxyFile).toString();
            const proxyModified = {
                ...JSON.parse(proxyFileContent),
                [`/${options.name}-api`]: {
                    target: `http://localhost:${options.port}`,
                    secure: false,
                },
            };
            tree.write(pathToProxyFile, JSON.stringify(proxyModified, null, 2));
        }
        (0, devkit_1.updateProjectConfiguration)(tree, options.frontendProject, projectConfig);
    }
    else {
        devkit_1.logger.warn(`Skip updating proxy for frontend project "${options.frontendProject}" since "serve" target is not found in project.json. For more information, see: https://nx.dev/recipes/node/application-proxies.`);
    }
}