60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
const fs = require('fs');
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const https = require('https');
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const path = require('path');
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const pkg = require('./package.json');
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const MAX_DOWNLOAD_ATTEMPTS = 4;
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const binaryName = [process.platform, process.arch, process.versions.modules].join('__');
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const binaryPath = path.join(__dirname, 'dist', 'native.node');
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const wait = ms => new Promise(resolve => setTimeout(resolve, ms));
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class StatusError extends Error {
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constructor (status) {
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super(`Bad status of ${status}`);
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this.status = status;
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}
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}
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const fetch = url => new Promise((resolve, reject) => {
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const stream = https.get(url, resp => {
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if (!resp.statusCode || resp.statusCode < 200 || resp.statusCode > 299) {
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return reject(new StatusError(resp.statusCode));
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}
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const parts = [];
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resp.on('data', chunk => parts.push(chunk));
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resp.on('end', () => resolve(Buffer.concat(parts)));
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});
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stream.on('error', reject);
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});
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const downloadNativeBinary = async () => {
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for (let attempt = 0; ; attempt++) {
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let binary;
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try {
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binary = await fetch(`https://wilsonl.in/hyperbuild/bin/nodejs/${pkg.version}/${binaryName}.node`);
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} catch (e) {
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if (e instanceof StatusError && attempt < MAX_DOWNLOAD_ATTEMPTS) {
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await wait(Math.random() * 2500 + 500);
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continue;
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}
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throw e;
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}
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fs.writeFileSync(binaryPath, binary);
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break;
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}
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};
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if (!fs.existsSync(path.join(__dirname, '.no-postinstall')) && !fs.existsSync(binaryPath)) {
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downloadNativeBinary()
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.then(
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() => console.log(`Downloaded ${pkg.name}`),
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err => {
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console.error(`Failed to download ${pkg.name}: ${err}`);
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process.exit(1);
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},
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);
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}
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