react-native-builder-bob/lib/src/targets/custom.js

CLI to build JavaScript files for React Native libraries

import path from 'node:path';
import { deleteAsync } from 'del';
import fs from 'fs-extra';
import kleur from 'kleur';
import { spawn } from "../utils/spawn.js";
export default async function customTarget({ options, root, report }) {
    if (options?.script == null) {
        throw new Error(`No 'script' was provided with the custom target. Example: ${kleur.green('{["custom", { "script": "generateTypes" }}')}`);
    }
    const pathToClean = options.clean
        ? path.relative(root, options.clean)
        : undefined;
    if (pathToClean) {
        report.info(`Cleaning up ${kleur.blue(pathToClean)}`);
        await deleteAsync([path.resolve(root, pathToClean)]);
    }
    const packageManagerExecutable = process.env.npm_execpath ?? 'npm';
    const packageManagerArgs = ['run', options.script];
    // usr/bin/yarn -> yarn
    const packageManagerName = path.basename(packageManagerExecutable);
    report.info(`Running ${kleur.blue(packageManagerName)} ${kleur.blue(packageManagerArgs.join(' '))}`);
    await spawn(packageManagerExecutable, packageManagerArgs, {
        stdio: ['ignore', 'ignore', 'inherit'],
    });
    report.success(`Ran the ${kleur.blue(options.script)} script succesfully`);
    if (options.clean && pathToClean && !(await fs.pathExists(pathToClean))) {
        report.warn(`Custom target with the ${kleur.blue(options.script)} script has ${kleur.blue(options.clean)} as the ${kleur.bold('clean')} option but this path wasn't created after running the script. Are you sure you've defined the ${kleur.bold('clean')} path correctly?`);
    }
}
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