111 lines
2.9 KiB
TypeScript

import type { Tree } from '@nx/devkit';
import { convertNxGenerator, formatFiles, toJS, updateJson } from '@nx/devkit';
import { determineProjectNameAndRootOptions } from '@nx/devkit/src/generators/project-name-and-root-utils';
import { applicationGenerator as nodeApplicationGenerator } from '@nx/node';
import { join } from 'path';
import { initGenerator } from '../init/init';
import type { Schema } from './schema';
interface NormalizedSchema extends Schema {
appProjectName: string;
appProjectRoot: string;
}
function addTypes(tree: Tree, options: NormalizedSchema) {
updateJson(
tree,
join(options.appProjectRoot, 'tsconfig.app.json'),
(json) => {
json.compilerOptions.types = [...json.compilerOptions.types, 'express'];
return json;
}
);
}
function addMainFile(tree: Tree, options: NormalizedSchema) {
tree.write(
join(options.appProjectRoot, `src/main.${options.js ? 'js' : 'ts'}`),
`/**
* This is not a production server yet!
* This is only a minimal backend to get started.
*/
import express from 'express';
import * as path from 'path';
const app = express();
app.use('/assets', express.static(path.join(__dirname, 'assets')));
app.get('/api', (req, res) => {
res.send({ message: 'Welcome to ${options.appProjectName}!' });
});
const port = process.env.PORT || 3333;
const server = app.listen(port, () => {
console.log(\`Listening at http://localhost:\${port}/api\`);
});
server.on('error', console.error);
`
);
if (options.js) {
toJS(tree);
}
}
export async function applicationGenerator(tree: Tree, schema: Schema) {
return await applicationGeneratorInternal(tree, {
projectNameAndRootFormat: 'derived',
...schema,
});
}
export async function applicationGeneratorInternal(tree: Tree, schema: Schema) {
const options = await normalizeOptions(tree, schema);
const initTask = await initGenerator(tree, { ...options, skipFormat: true });
const applicationTask = await nodeApplicationGenerator(tree, {
...schema,
bundler: 'webpack',
skipFormat: true,
});
addMainFile(tree, options);
addTypes(tree, options);
if (!options.skipFormat) {
await formatFiles(tree);
}
return async () => {
await initTask();
await applicationTask();
};
}
export default applicationGenerator;
export const applicationSchematic = convertNxGenerator(applicationGenerator);
async function normalizeOptions(
host: Tree,
options: Schema
): Promise<NormalizedSchema> {
const {
projectName: appProjectName,
projectRoot: appProjectRoot,
projectNameAndRootFormat,
} = await determineProjectNameAndRootOptions(host, {
name: options.name,
projectType: 'application',
directory: options.directory,
projectNameAndRootFormat: options.projectNameAndRootFormat,
callingGenerator: '@nx/express:application',
});
options.projectNameAndRootFormat = projectNameAndRootFormat;
return {
...options,
appProjectName,
appProjectRoot,
};
}