feat: implement

Signed-off-by: Charlike Mike Reagent <[email protected]>

package.json

@@ -11,7 +11,10 @@
     "node": "^8.11.0 || >=10.13.0"
   },
   "dependencies": {
-    "esm": "^3.0.84"
+    "@tunnckocore/execa": "^2.1.1",
+    "esm": "^3.0.84",
+    "is-installed-globally": "^0.1.0",
+    "update-notifier": "^2.5.0"
   },
   "devDependencies": {
     "@tunnckocore/config": "^0.5.1",

src/index.js

@@ -1 +1,46 @@
-export default () => {};
+// import proc from 'process';
+import unpdateNotifier from 'update-notifier';
+import isInstalledGlobally from 'is-installed-globally';
+import { exec } from '@tunnckocore/execa';
+
+export default async function updater(options) {
+  const opts = Object.assign({}, options);
+
+  if (!opts.pkg.name || !opts.pkg.version) {
+    throw new Error('unpdateNotifier: pkg.name and pkg.version are required');
+  }
+
+  opts.callback = (err, info) => {
+    if (err) {
+      throw err;
+    }
+    if (info.type !== 'latest') {
+      autoupdate(opts.pkg, opts.manager);
+    }
+  };
+
+  return unpdateNotifier(opts);
+}
+
+async function autoupdate(pkg, manager) {
+  const isNpm = manager === 'npm';
+
+  if (isNpm || manager === 'pnpm') {
+    await exec(
+      `${isNpm ? 'npm' : 'pnpm'} install ${
+        isInstalledGlobally ? '--global' : ''
+      } ${pkg.name}`,
+    );
+  }
+
+  if (manager === 'yarn') {
+    const g = isInstalledGlobally ? 'global' : '';
+    await exec([
+      // ensure it is cleanest one
+      `yarn ${g} remove ${pkg.name}`,
+
+      // install it after that ensurance
+      `yarn ${g} add ${pkg.name}`,
+    ]);
+  }
+}

test/index.js

@@ -1,4 +1,3 @@
-
 import test from 'asia';
 import mod from '../src';
 

test/snapshots/index.snapshot.json

@@ -0,0 +1 @@
+{"todo":{"skip":false,"todo":false,"run":false,"isPending":false,"isRejected":false,"isFulfilled":true,"id":1,"str":"(t) => {\n  t.strictEqual(typeof mod, 'function');\n}","title":"todo"}}