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import type { Endpoints } from "@octokit/types";
import { fetch, spawn } from "../src/util";
import type { JSZipObject } from "jszip";
import { loadAsync } from "jszip";
import { join } from "node:path";
import { chmod, read, write } from "../src/util";
import type { BuildOptions } from "esbuild";
import { buildSync, formatMessagesSync } from "esbuild";
import type { Platform } from "../src/platform";
import { platforms } from "../src/platform";
type Release =
Endpoints["GET /repos/{owner}/{repo}/releases/latest"]["response"]["data"];
const npmPackage = "bun";
const npmOwner = "@oven";
let npmVersion: string;
const [tag, action] = process.argv.slice(2);
await build(tag);
if (action === "publish") {
await publish();
} else if (action === "dry-run") {
await publish(true);
} else if (action) {
throw new Error(`Unknown action: ${action}`);
}
async function build(version: string): Promise<void> {
const release = await getRelease(version);
if (release.tag_name === "canary") {
const { tag_name } = await getRelease();
const sha = await getSha(tag_name);
// Note: this needs to be run using canary
npmVersion = `${Bun.version}-canary+${sha}`;
} else {
npmVersion = release.tag_name.replace("bun-v", "");
}
await buildBasePackage();
for (const platform of platforms) {
await buildPackage(release, platform);
}
}
async function publish(dryRun?: boolean): Promise<void> {
const npmPackages = platforms.map(({ bin }) => `${npmOwner}/${bin}`);
npmPackages.push(npmPackage);
for (const npmPackage of npmPackages) {
publishPackage(npmPackage, dryRun);
}
}
async function buildBasePackage() {
const done = log("Building:", `${npmPackage}@${npmVersion}`);
const cwd = join("npm", npmPackage);
const define = {
npmVersion: `"${npmVersion}"`,
npmPackage: `"${npmPackage}"`,
npmOwner: `"${npmOwner}"`,
};
buildJs(join("scripts", "npm-postinstall.ts"), join(cwd, "install.js"), {
define,
});
buildJs(join("scripts", "npm-exec.ts"), join(cwd, "bin", "bun"), {
define,
banner: {
js: "#!/usr/bin/env node",
},
});
const os = [...new Set(platforms.map(({ os }) => os))];
const cpu = [...new Set(platforms.map(({ arch }) => arch))];
patchJson(join(cwd, "package.json"), {
name: npmPackage,
version: npmVersion,
scripts: {
postinstall: "node install.js",
},
optionalDependencies: Object.fromEntries(
platforms.map(({ bin }) => [`${npmOwner}/${bin}`, npmVersion]),
),
bin: {
bun: "bin/bun",
},
os,
cpu,
});
done();
}
async function buildPackage(
release: Release,
{ bin, exe, os, arch }: Platform,
): Promise<void> {
const npmPackage = `${npmOwner}/${bin}`;
const done = log("Building:", `${npmPackage}@${npmVersion}`);
const asset = release.assets.find(({ name }) => name === `${bin}.zip`);
if (!asset) {
throw new Error(`No asset found: ${bin}`);
}
const bun = await extractFromZip(asset.browser_download_url, `${bin}/bun`);
const cwd = join("npm", npmPackage);
write(join(cwd, exe), await bun.async("arraybuffer"));
chmod(join(cwd, exe), 0o755);
patchJson(join(cwd, "package.json"), {
name: npmPackage,
version: npmVersion,
preferUnplugged: true,
os: [os],
cpu: [arch],
});
done();
}
function publishPackage(name: string, dryRun?: boolean): void {
const done = log(dryRun ? "Dry-run Publishing:" : "Publishing:", name);
const { exitCode, stdout, stderr } = spawn(
"npm",
[
"publish",
"--access",
"public",
"--tag",
npmVersion.startsWith("canary") ? "canary" : "latest",
...(dryRun ? ["--dry-run"] : []),
],
{
cwd: join("npm", name),
},
);
if (exitCode === 0) {
done();
return;
}
throw new Error(stdout || stderr);
}
async function extractFromZip(
url: string,
filename: string,
): Promise<JSZipObject> {
const response = await fetch(url);
const buffer = await response.arrayBuffer();
const zip = await loadAsync(buffer);
for (const [name, file] of Object.entries(zip.files)) {
if (!file.dir && name.startsWith(filename)) {
return file;
}
}
console.warn("Found files:", Object.keys(zip.files));
throw new Error(`File not found: ${filename}`);
}
async function getRelease(version?: string | null): Promise<Release> {
const response = await fetchGithub(
version ? `releases/tags/${formatTag(version)}` : `releases/latest`,
);
return response.json();
}
async function getSha(version: string): Promise<string> {
const response = await fetchGithub(`git/ref/tags/${formatTag(version)}`);
const {
object,
}: Endpoints["GET /repos/{owner}/{repo}/git/ref/{ref}"]["response"]["data"] =
await response.json();
return object.sha.substring(0, 7);
}
async function fetchGithub(path: string) {
const headers = new Headers();
const token = process.env.GITHUB_TOKEN;
if (token) {
headers.set("Authorization", `Bearer ${token}`);
}
const url = new URL(path, "https://api.github.com/repos/oven-sh/bun/");
return fetch(url.toString());
}
function formatTag(version: string): string {
if (version.startsWith("canary") || version.startsWith("bun-v")) {
return version;
}
return `bun-v${version}`;
}
function patchJson(path: string, patch: object): void {
let value;
try {
const existing = JSON.parse(read(path));
value = {
...existing,
...patch,
};
} catch {
value = patch;
}
write(path, `${JSON.stringify(value, undefined, 2)}\n`);
}
function buildJs(src: string, dst: string, options: BuildOptions = {}): void {
const { errors } = buildSync({
bundle: true,
treeShaking: true,
keepNames: true,
minifySyntax: true,
pure: ["console.debug"],
platform: "node",
target: "es6",
format: "cjs",
entryPoints: [src],
outfile: dst,
...options,
});
if (errors?.length) {
const messages = formatMessagesSync(errors, { kind: "error" });
throw new Error(messages.join("\n"));
}
}
function log(...args: any[]): () => void {
console.write(Bun.inspect(...args));
const start = Date.now();
return () => {
console.write(` [${(Date.now() - start).toFixed()} ms]\n`);
};
}
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