Carlos Florêncio
87 lines
2.6 KiB
TypeScript
87 lines
2.6 KiB
TypeScript
import { spawn } from "node:child_process";
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import https from "node:https";
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import readline from "node:readline";
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import { compareVersions } from "./version";
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function requestJson<T>(url: string): Promise<T> {
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return new Promise((resolve, reject) => {
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const req = https.get(url, { headers: { "User-Agent": "kandev-npx" } }, (res) => {
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if (res.statusCode !== 200) {
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return reject(new Error(`HTTP ${res.statusCode} fetching ${url}`));
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}
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let body = "";
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res.on("data", (chunk) => (body += chunk));
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res.on("end", () => {
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try {
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resolve(JSON.parse(body) as T);
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} catch {
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reject(new Error(`Failed to parse JSON from ${url}`));
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}
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});
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});
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req.setTimeout(5000, () => {
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req.destroy(new Error(`Request timed out fetching ${url}`));
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});
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req.on("error", reject);
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});
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}
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async function getLatestNpmVersion(): Promise<string | undefined> {
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const data = await requestJson<{ "dist-tags"?: { latest?: string } }>(
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"https://registry.npmjs.org/kandev",
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);
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return data?.["dist-tags"]?.latest;
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}
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function promptYesNo(question: string, defaultYes = false): Promise<boolean> {
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return new Promise<boolean>((resolve) => {
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if (!process.stdin.isTTY) {
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resolve(false);
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return;
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}
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const rl = readline.createInterface({
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input: process.stdin,
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output: process.stdout,
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});
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const suffix = defaultYes ? "[Y/n]" : "[y/N]";
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rl.question(`${question} ${suffix} `, (answer: string) => {
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rl.close();
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const normalized = String(answer || "")
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.trim()
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.toLowerCase();
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if (!normalized) {
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resolve(Boolean(defaultYes));
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return;
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}
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resolve(normalized === "y" || normalized === "yes");
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});
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});
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}
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export async function maybePromptForUpdate(currentVersion: string, args: string[]) {
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// Allow disabling update checks for CI or automation.
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if (process.env.KANDEV_SKIP_UPDATE === "1" || process.env.KANDEV_NO_UPDATE_PROMPT === "1") {
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return;
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}
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try {
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const latest = await getLatestNpmVersion();
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if (!latest) return;
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if (compareVersions(latest, currentVersion) <= 0) return;
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const wantsUpdate = await promptYesNo(
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`Update available: ${currentVersion} -> ${latest}. Update now?`,
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false,
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);
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if (!wantsUpdate) return;
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const env = { ...process.env, KANDEV_SKIP_UPDATE: "1" };
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const child = spawn("npx", ["kandev@latest", ...args], {
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stdio: "inherit",
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env,
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});
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child.on("exit", (code) => process.exit(code || 0));
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await new Promise(() => {});
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} catch {
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// ignore update errors
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}
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}
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