self upgrade CLI command

Author: jancajthaml

cli/commands/build.js

@@ -1,6 +1,6 @@
 exports.command = "build";
 
-exports.describe = "bundle package";
+exports.describe = "compile sources";
 
 exports.builder = {};
 

cli/commands/lint.js

@@ -1,6 +1,6 @@
 exports.command = "lint";
 
-exports.describe = "lint sources";
+exports.describe = "run static analysis";
 
 exports.builder = {};
 

cli/commands/upgrade.js

@@ -0,0 +1,11 @@
+exports.command = "upgrade";
+
+exports.describe = "upgrade to latest compatible";
+
+exports.builder = {};
+
+exports.handler = async function (options, _cleanupHooks) {
+  const { run } = await import("../helpers/upgrade.mjs");
+
+  await run(options);
+};

cli/helpers/shell.mjs

@@ -5,7 +5,7 @@ export async function execShellCommand(cmd) {
   return new Promise((resolve, reject) => {
     exec(cmd, { env: process.env, maxBuffer: 1024 * 500 }, (error, stdout, stderr) => {
       if (error) {
-        return reject(error);
+        return reject(stderr ? new Error(stderr) : error);
       } else {
         return resolve(stdout.trim());
       }

cli/helpers/upgrade.mjs

@@ -0,0 +1,106 @@
+import semver from "semver";
+
+import process from "node:process";
+import path from "node:path";
+import colors from "ansi-colors";
+import npmFetch from "npm-registry-fetch";
+import { execShellCommand } from "./shell.mjs";
+import { readFile } from "./io.mjs";
+
+function longestCommonPrefix(a, b) {
+  let i = 0;
+  while (a[i] && b[i] && a[i] === b[i]) {
+    i++;
+  }
+  return i;
+}
+
+async function getCurrentVersion(name) {
+  const result = JSON.parse(await readFile(path.resolve(process.env.INIT_CWD, "package.json")));
+
+  if (result.dependencies && name in result.dependencies) {
+    return semver.minVersion(result.dependencies[name]).version;
+  }
+  if (result.devDependencies && name in result.devDependencies) {
+    return semver.minVersion(result.devDependencies[name]).version;
+  }
+  return null;
+}
+
+async function getLatestVersion(name) {
+  const registry = npmFetch.pickRegistry(name, {});
+  const url = new URL(encodeURIComponent(name), registry.endsWith("/") ? registry : `${registry}/`);
+
+  const stream = npmFetch.json.stream(url.href, "$*", {
+    headers: {
+      "user-agent": "node/${process.version}",
+      accept: "application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8, */*",
+      spec: name,
+      offline: false,
+    },
+  });
+
+  const versions = {};
+
+  for await (const { key, value } of stream) {
+    if (key === "versions") {
+      Object.assign(versions, value);
+      break;
+    }
+  }
+
+  let newest = null;
+
+  for (const version in versions) {
+    const wantedEngine = versions[version].engines?.node;
+
+    if (wantedEngine && !semver.satisfies(process.version, wantedEngine)) {
+      continue;
+    }
+
+    if (!newest || semver.gt(version, newest)) {
+      newest = version;
+    }
+  }
+
+  return newest;
+}
+
+export async function run(options) {
+  const outdated = [];
+
+  for (const name of ["@lastui/dependencies", "@lastui/rocker"]) {
+    const current = await getCurrentVersion(name);
+    if (!current) {
+      continue;
+    }
+
+    const latest = await getLatestVersion(name);
+
+    if (!latest) {
+      continue;
+    }
+
+    if (semver.gt(latest, current)) {
+      outdated.push({ name, current, latest });
+    }
+  }
+
+  if (outdated.length === 0) {
+    console.log(colors.green("Up to date"));
+    return;
+  }
+
+  for (const { name, current, latest } of outdated) {
+    const idx = longestCommonPrefix(latest, current);
+
+    console.log(`Bumping ${colors.cyan.bold(name)} to ${current.substring(0, idx)}${colors.cyan(latest.substring(idx))}`);
+
+    await execShellCommand(
+      `npm --prefix=${process.env.INIT_CWD} i --no-progress --package-lock-only --save-exact --no-fund --no-audit ${name}@${latest}`,
+    );
+  }
+
+  console.log(colors.green("Installing upgrade"));
+  await execShellCommand(`npm --prefix=${process.env.INIT_CWD} ci --no-progress --ci --no-fund`);
+}

cli/index.js

@@ -82,16 +82,18 @@ require("yargs")
   })
   .option("fix", {
     type: "boolean",
-    describe: "Fix automatically fixable issues",
+    describe: "Try to automatically fix issues",
   })
   .option("cwd", {
     type: "string",
-    describe: "Override working directory",
+    describe: "Set working directory",
   })
   .conflicts("quiet", "debug")
   .command(envelope(require("./commands/build.js")))
+  .command(envelope(require("./commands/upgrade.js")))
   .command(envelope(require("./commands/start.js")))
   .command(envelope(require("./commands/test.js")))
   .command(envelope(require("./commands/lint.js")))
-  .demandCommand()
-  .help(false).argv;
+  .showHelpOnFail(false)
+  .strict()
+  .help(true).argv;