feat: check version on npmjs

bin/index.js

@@ -2,10 +2,7 @@
 
 import 'zx/globals'
 import console from 'node:console'
-import fs from 'node:fs/promises'
-import path from 'node:path'
 import process from 'node:process'
-import { URL } from 'node:url'
 
 import { Command } from 'commander'
 
@@ -15,26 +12,23 @@ import list from '#src/base/list.js'
 import printConfiguration from '#src/base/print-configuration.js'
 import remove from '#src/base/remove.js'
 import configure from '#src/provider/configure.js'
+import versions from '#src/versions.js'
 
 const program = new Command()
 
 const provider = new Command('provider')
 
 $.verbose = false
 
-const { version } = await fs
-  .readFile(
-    path.join(new URL('.', import.meta.url).pathname, '../package.json')
-  )
-  .then(JSON.parse)
+const { current } = await versions()
 
 provider
   .command('configure')
   .description('Configure a provider')
   .argument('<provider>', 'Provider to configure')
   .action(configure)
 
-program.name('email-alias').description('Manage email alias').version(version)
+program.name('email-alias').description('Manage email alias').version(current)
 
 program.command('list').description('List current alias').action(list)
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vafanassieff/email-alias",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "Create a email alias to keep you real email hidden !",
   "main": "src/index.js",
   "repository": {

src/utils.js

@@ -63,3 +63,24 @@ export const getProviders = async () => {
   const files = await fs.readdir(providerFolder)
   return files.map((p) => p.split('.js')[0])
 }
+
+/**
+ * Fetch an URL with options
+ *
+ * @param {string} url Url to fetch
+ * @param {object} options  Fetch options
+ * @returns {Promise} Result of the fetch
+ */
+export const request = async (url, options) => {
+  const response = await fetch(url, options)
+
+  if (response.ok) {
+    return response.json()
+  } else {
+    const data = await response.json()
+
+    const error = data.message ? new Error(data.message) : new Error(data)
+
+    throw error
+  }
+}

src/versions.js

@@ -0,0 +1,39 @@
+import console from 'node:console'
+import fs from 'node:fs/promises'
+import path from 'node:path'
+import { URL } from 'node:url'
+
+import { request } from '#src/utils.js'
+
+/**
+ * @typedef {object} Versions
+ * @property {string} latest Latest semver
+ * @property {string} current Insttaled semver
+ */
+
+/**
+ * Get the installed version and the latest remote version of email-alias
+ *
+ * @returns {Versions} latest abd current version
+ */
+export default async () => {
+  const { latest } = await request(
+    'https://registry.npmjs.org/-/package/@vafanassieff/email-alias/dist-tags'
+  )
+
+  const { version: current } = await fs
+    .readFile(
+      path.join(new URL('.', import.meta.url).pathname, '../package.json')
+    )
+    .then(JSON.parse)
+
+  if (current !== latest) {
+    console.log(`There is a new email-alias version !`)
+    console.log(`You are running the ${current} latest is ${latest}`)
+    console.log(
+      'To update the version run npm update -g @vafanassieff/email-alias'
+    )
+  }
+
+  return { current, latest }
+}