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Copy pathcli.ts
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283 lines (249 loc) · 7.79 KB
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#!/usr/bin/env node
import { createReadStream, createWriteStream, existsSync } from "node:fs";
import { chmod, mkdtemp, mkdir, readdir, rm } from "node:fs/promises";
import { spawn } from "node:child_process";
import https from "node:https";
import os from "node:os";
import path from "node:path";
import readline from "node:readline/promises";
import { pipeline } from "node:stream/promises";
import { stdin as input, stdout as output } from "node:process";
import tar from "tar";
import unzipper from "unzipper";
const args = process.argv.slice(2);
const usage = `FrameScript project initializer
Usage:
npm init @frame-script/latest
create-latest [project-name]
Options:
-h, --help Show this help
`;
const hasHelp = args.includes("-h") || args.includes("--help");
if (hasHelp) {
process.stdout.write(usage);
process.exit(0);
}
async function promptProjectName(): Promise<string> {
const rl = readline.createInterface({ input, output });
try {
const answer = await rl.question("Project name: ");
return answer.trim();
} finally {
rl.close();
}
}
const REPO = "frame-script/FrameScript";
const LATEST_RELEASE_URL = `https://api.github.com/repos/${REPO}/releases/latest`;
const RELEASES_URL = `https://api.github.com/repos/${REPO}/releases?per_page=100`;
type LatestRelease = {
tag_name?: string;
};
type Release = {
name?: string;
created_at?: string;
published_at?: string;
draft?: boolean;
assets?: { name?: string; browser_download_url?: string }[];
};
async function requestJson<T>(url: string, redirects = 0): Promise<T> {
const maxRedirects = 5;
return new Promise((resolve, reject) => {
const req = https.get(
url,
{
headers: {
"User-Agent": "frame-script-init",
Accept: "application/vnd.github+json",
},
},
(res) => {
const status = res.statusCode ?? 0;
if (
status >= 300 &&
status < 400 &&
res.headers.location &&
redirects < maxRedirects
) {
res.resume();
const nextUrl = new URL(res.headers.location, url).toString();
resolve(requestJson(nextUrl, redirects + 1));
return;
}
if (status < 200 || status >= 300) {
res.resume();
reject(new Error(`Request failed with status ${status}`));
return;
}
const chunks: Buffer[] = [];
res.on("data", (chunk: Buffer) => chunks.push(chunk));
res.on("end", () => {
try {
const text = Buffer.concat(chunks).toString("utf8");
resolve(JSON.parse(text) as T);
} catch (err) {
reject(err);
}
});
}
);
req.on("error", reject);
});
}
async function downloadToFile(
url: string,
filePath: string,
redirects = 0
): Promise<void> {
const maxRedirects = 5;
return new Promise((resolve, reject) => {
const req = https.get(
url,
{ headers: { "User-Agent": "frame-script-init" } },
(res) => {
const status = res.statusCode ?? 0;
if (
status >= 300 &&
status < 400 &&
res.headers.location &&
redirects < maxRedirects
) {
res.resume();
const nextUrl = new URL(res.headers.location, url).toString();
resolve(downloadToFile(nextUrl, filePath, redirects + 1));
return;
}
if (status < 200 || status >= 300) {
res.resume();
reject(new Error(`Download failed with status ${status}`));
return;
}
const fileStream = createWriteStream(filePath);
pipeline(res, fileStream).then(resolve).catch(reject);
}
);
req.on("error", reject);
});
}
async function fetchLatestTag(): Promise<string> {
const data = await requestJson<LatestRelease>(LATEST_RELEASE_URL);
const tag = data.tag_name;
if (!tag) {
throw new Error("Latest release tag not found.");
}
return tag;
}
function pickLatestReleaseWithBinZip(
releases: Release[]
): { release: Release; assetUrl: string } | undefined {
let latest: { release: Release; assetUrl: string } | undefined;
for (const release of releases) {
if (release.draft) {
continue;
}
const asset = release.assets?.find(
(entry) => (entry.name ?? "").toLowerCase() === "bin.zip"
);
const url = asset?.browser_download_url;
if (!url) {
continue;
}
const time =
Date.parse(release.published_at ?? "") ||
Date.parse(release.created_at ?? "") ||
0;
const latestTime =
latest?.release.published_at || latest?.release.created_at
? Date.parse(
latest?.release.published_at ?? latest?.release.created_at ?? ""
) || 0
: 0;
if (!latest || time > latestTime) {
latest = { release, assetUrl: url };
}
}
return latest;
}
async function fetchLatestBinaryZipUrl(): Promise<string> {
const releases = await requestJson<Release[]>(RELEASES_URL);
const latest = pickLatestReleaseWithBinZip(releases);
if (!latest) {
throw new Error("Release with bin.zip not found.");
}
return latest.assetUrl;
}
async function runNpmInstall(cwd: string): Promise<void> {
const isWindows = process.platform === "win32";
const npmCmd = isWindows ? "cmd.exe" : "npm";
const npmArgs = isWindows
? ["/d", "/s", "/c", "npm", "install"]
: ["install"];
await new Promise<void>((resolve, reject) => {
const child = spawn(npmCmd, npmArgs, { cwd, stdio: "inherit" });
child.on("error", reject);
child.on("exit", (code) => {
if (code === 0) {
resolve();
} else {
reject(new Error(`npm install failed with exit code ${code ?? "?"}`));
}
});
});
}
async function makeExecutablesUnder(dir: string): Promise<void> {
if (process.platform === "win32") {
return;
}
const entries = await readdir(dir, { withFileTypes: true });
await Promise.all(
entries.map(async (entry) => {
const fullPath = path.join(dir, entry.name);
if (entry.isDirectory()) {
await makeExecutablesUnder(fullPath);
return;
}
if (entry.isFile()) {
await chmod(fullPath, 0o755);
}
})
);
}
async function main(): Promise<void> {
const rawName = args[0] ?? (await promptProjectName());
if (!rawName) {
process.stderr.write("Project name is required.\n");
process.exit(1);
}
const targetDir = path.resolve(process.cwd(), rawName);
if (existsSync(targetDir)) {
process.stderr.write(`Directory already exists: ${rawName}\n`);
process.exit(1);
}
process.stdout.write("Fetching latest template...\n");
const tag = await fetchLatestTag();
const tarballUrl = `https://codeload.github.com/${REPO}/tar.gz/${tag}`;
process.stdout.write("Fetching latest binary release...\n");
const binaryZipUrl = await fetchLatestBinaryZipUrl();
const tmpDir = await mkdtemp(path.join(os.tmpdir(), "frame-script-"));
const tarPath = path.join(tmpDir, "template.tgz");
const zipPath = path.join(tmpDir, "bin.zip");
try {
await downloadToFile(tarballUrl, tarPath);
await downloadToFile(binaryZipUrl, zipPath);
await mkdir(targetDir, { recursive: true });
await tar.x({ file: tarPath, cwd: targetDir, strip: 1 });
const binDir = path.join(targetDir, "bin");
await mkdir(binDir, { recursive: true });
await pipeline(createReadStream(zipPath), unzipper.Extract({ path: binDir }));
await makeExecutablesUnder(binDir);
} finally {
await rm(tmpDir, { recursive: true, force: true });
}
process.stdout.write("Installing dependencies...\n");
await runNpmInstall(targetDir);
process.stdout.write(`Created ${rawName}/\n`);
}
main().catch((err: unknown) => {
const message = err instanceof Error ? err.message : String(err);
process.stderr.write(`Failed to initialize project: ${message}\n`);
process.exit(1);
});