wehub-resource-sync
103 lines
2.9 KiB
TypeScript
103 lines
2.9 KiB
TypeScript
// Phase 0 · Lesson 01 — Dev Environment verifier (TypeScript port).
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// Probes node version + presence of git, python3, cargo, deno; mirrors verify.py.
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// Refs: https://nodejs.org/api/process.html https://nodejs.org/api/child_process.html
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import { execFileSync } from "node:child_process";
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import process from "node:process";
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type ProbeFn = () => { ok: boolean; detail?: string };
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type Probe = {
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name: string;
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required: boolean;
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run: ProbeFn;
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};
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function whichVersion(cmd: string, args: string[] = ["--version"]): ReturnType<ProbeFn> {
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// execFile (not exec) avoids a shell, so user PATH lookups can't be re-interpreted.
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try {
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const out = execFileSync(cmd, args, {
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stdio: ["ignore", "pipe", "ignore"],
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encoding: "utf8",
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timeout: 4000,
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});
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return { ok: true, detail: out.trim().split("\n")[0] };
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} catch {
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return { ok: false };
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}
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}
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const PROBES: Probe[] = [
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{
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name: "Node.js 20+",
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required: true,
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run: () => {
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const major = Number.parseInt(process.versions.node.split(".")[0]!, 10);
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return { ok: major >= 20, detail: `v${process.versions.node}` };
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},
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},
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{
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name: "TypeScript runner (tsx)",
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required: false,
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run: () => whichVersion("npx", ["-y", "tsx", "--version"]),
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},
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{
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name: "Git",
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required: true,
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run: () => whichVersion("git"),
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},
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{
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name: "Python 3.10+",
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required: true,
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run: () => {
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const probe = whichVersion("python3");
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if (!probe.ok || !probe.detail) return probe;
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// Detail looks like "Python 3.11.7"; pull major.minor.
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const match = probe.detail.match(/(\d+)\.(\d+)/);
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if (!match) return { ok: false, detail: probe.detail };
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const [major, minor] = [Number(match[1]), Number(match[2])];
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const ok = major > 3 || (major === 3 && minor >= 10);
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return { ok, detail: probe.detail };
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},
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},
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{
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name: "Rust (cargo)",
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required: false,
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run: () => whichVersion("cargo"),
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},
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{
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name: "Deno",
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required: false,
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run: () => whichVersion("deno"),
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},
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];
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function run(): number {
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process.stdout.write("\n=== AI Engineering from Scratch — Environment Check ===\n\n");
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let requiredPassed = 0;
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let requiredTotal = 0;
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for (const probe of PROBES) {
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const result = probe.run();
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const tag = result.ok ? "PASS" : "FAIL";
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const detail = result.detail ? ` (${result.detail})` : "";
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const flag = probe.required ? "" : " [optional]";
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process.stdout.write(` [${tag}] ${probe.name}${detail}${flag}\n`);
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if (probe.required) {
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requiredTotal += 1;
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if (result.ok) requiredPassed += 1;
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}
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}
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process.stdout.write(`\nResult: ${requiredPassed}/${requiredTotal} required checks passed\n`);
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if (requiredPassed === requiredTotal) {
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process.stdout.write("\nYou're ready. Start with Phase 1.\n\n");
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return 0;
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}
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process.stdout.write("\nFix the failed required checks above, then re-run.\n\n");
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return 1;
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}
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process.exit(run());
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