nx/packages/react-native/plugins/with-nx-metro.ts

49 lines
1.3 KiB
TypeScript

import { workspaceRoot } from '@nx/devkit';
import { mergeConfig } from 'metro-config';
import type { MetroConfig } from 'metro-config';
import { existsSync, readdirSync, statSync } from 'fs-extra';
import { join } from 'path';
import { getResolveRequest } from './metro-resolver';
interface WithNxOptions {
debug?: boolean;
extensions?: string[];
watchFolders?: string[];
}
export async function withNxMetro(
userConfig: MetroConfig,
opts: WithNxOptions = {}
) {
const extensions = ['', 'ts', 'tsx', 'js', 'jsx', 'json'];
if (opts.debug) process.env.NX_REACT_NATIVE_DEBUG = 'true';
if (opts.extensions) extensions.push(...opts.extensions);
let watchFolders = readdirSync(workspaceRoot)
.filter(
(fileName) =>
!['dist', 'e2e'].includes(fileName) && !fileName.startsWith('.')
)
.map((fileName) => join(workspaceRoot, fileName))
.filter((filePath) => statSync(filePath).isDirectory());
if (opts.watchFolders?.length) {
watchFolders = watchFolders.concat(opts.watchFolders);
}
watchFolders = [...new Set(watchFolders)].filter((folder) =>
existsSync(folder)
);
const nxConfig: MetroConfig = {
resolver: {
resolveRequest: getResolveRequest(extensions),
nodeModulesPaths: [join(workspaceRoot, 'node_modules')],
},
watchFolders,
};
return mergeConfig(userConfig, nxConfig);
}