83 lines
2.2 KiB
JavaScript
83 lines
2.2 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 cp = require("child_process");
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const MAX_DOWNLOAD_ATTEMPTS = 4;
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const binaryName = [process.platform, process.arch].join("__");
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const binaryPath = path.join(__dirname, "index.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) =>
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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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reject(new StatusError(resp.statusCode));
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// Destroy stream to allow Node.js to exit.
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// Destroy after `reject` in case "error" handler is unintentionally triggered.
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resp.destroy();
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return;
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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(
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`https://wilsonl.in/minify-html/bin/nodejs/${pkg.version}/${binaryName}.node`
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);
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} catch (e) {
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if (
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e instanceof StatusError &&
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e.status !== 404 &&
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attempt < MAX_DOWNLOAD_ATTEMPTS
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) {
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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 (
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!fs.existsSync(path.join(__dirname, ".no-postinstall")) &&
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!fs.existsSync(binaryPath)
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) {
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downloadNativeBinary().then(
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() => console.log(`Downloaded ${pkg.name}`),
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(err) => {
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console.error(
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`Failed to download ${pkg.name}, will build from source: ${err}`
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);
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const out = cp.spawnSync("npm", ["run", "build-release"], {
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cwd: __dirname,
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stdio: ["ignore", "inherit", "inherit"],
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});
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process.exitCode = out.exitCode;
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if (out.error) {
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throw out.error;
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}
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}
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);
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}
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