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#!/usr/bin/env node
// Usage: e.g. node build-addons.mjs <path to node-gyp> <directory>
import child_process from 'node:child_process';
import path from 'node:path';
import fs from 'node:fs/promises';
import util from 'node:util';
import process from 'node:process';
import os from 'node:os';
const execFile = util.promisify(child_process.execFile);
const parallelization = +process.env.JOBS || os.cpus().length;
const nodeGyp = process.argv[2];
const directory = process.argv[3];
async function buildAddon(dir) {
try {
// Only run for directories that have a `binding.gyp`.
// (https://github.com/nodejs/node/issues/14843)
await fs.stat(path.join(dir, 'binding.gyp'));
} catch (err) {
if (err.code === 'ENOENT' || err.code === 'ENOTDIR')
return;
throw err;
}
console.log(`Building addon in ${dir}`);
const { stdout, stderr } =
await execFile(process.execPath, [nodeGyp, 'rebuild', `--directory=${dir}`],
{
stdio: 'inherit',
env: { ...process.env, MAKEFLAGS: '-j1' }
});
// We buffer the output and print it out once the process is done in order
// to avoid interleaved output from multiple builds running at once.
process.stdout.write(stdout);
process.stderr.write(stderr);
}
async function parallel(jobQueue, limit) {
const next = async () => {
if (jobQueue.length === 0) {
return;
}
const job = jobQueue.shift();
await job();
await next();
};
const workerCnt = Math.min(limit, jobQueue.length);
await Promise.all(Array.from({ length: workerCnt }, next));
}
const jobs = [];
for await (const dirent of await fs.opendir(directory)) {
if (dirent.isDirectory()) {
jobs.push(() => buildAddon(path.join(directory, dirent.name)));
}
}
await parallel(jobs, parallelization);
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