feat: Cleanup, better error message (#42)

Author: ffflorian

package.json

@@ -2,7 +2,6 @@
   "author": "Florian Keller <github@floriankeller.de>",
   "bin": {
     "crates-updater": "dist/cli.js",
-    "update-crate": "dist/cli.js",
     "update-crates": "dist/cli.js"
   },
   "dependencies": {

src/CratesUpdater.ts

@@ -9,14 +9,13 @@ class CratesUpdater {
   }
 
   public async getVersions(packageName: string): Promise<CrateVersion[]> {
-    const result = await this.cratesIO.api.crates.getVersions(packageName);
-    return result.versions;
+    const {versions} = await this.cratesIO.api.crates.getVersions(packageName);
+    return versions;
   }
 
   public async getLatestVersion(packageName: string): Promise<CrateVersion> {
     const versions = await this.getVersions(packageName);
-    const sorted = versions.sort((a, b) => compareVersions(a.num, b.num));
-    return sorted[versions.length - 1];
+    return versions.sort((a, b) => compareVersions(a.num, b.num)).pop()!;
   }
 
   public async checkForUpdate(packageName: string, version: string): Promise<string | null> {

src/cli.ts

@@ -20,22 +20,24 @@ if (!program.options.length || !program.package) {
 
 const cratesUpdater = new CratesUpdater();
 
-if (program.package && !program.packageVersion) {
+if (program.package && program.packageVersion) {
   cratesUpdater
-    .getLatestVersion(program.package)
-    .then(version => console.log(version.num))
+    .checkForUpdate(program.package, program.packageVersion)
+    .then(version => {
+      if (version) {
+        console.log(`An update for ${program.package} is available: ${version}.`);
+      } else {
+        console.log(`No update for ${program.package} available.`);
+      }
+    })
     .catch(error => {
       console.error(error);
       process.exit(1);
     });
 } else {
   cratesUpdater
-    .checkForUpdate(program.package, program.packageVersion)
-    .then(version => {
-      if (version) {
-        console.log(version);
-      }
-    })
+    .getLatestVersion(program.package)
+    .then(version => console.log(version.num))
     .catch(error => {
       console.error(error);
       process.exit(1);