fix: several fixes for pkg commands

Author: shetzel

messages/package_uninstall.md

@@ -60,10 +60,6 @@ The ID (starts with 04t) or alias of the package version to uninstall.
 
 Include either a %s value or a %s value.
 
-# invalidIdOrPackage
-
-Invalid alias or ID: %s. Either your alias is invalid or undefined, or the ID provided is invalid (must start with 04t).
-
 # InProgress
 
 PackageUninstallRequest is currently InProgress.

src/commands/force/package/beta/installed/list.ts

@@ -29,6 +29,7 @@ export class PackageInstalledListCommand extends SfdxCommand {
   public static readonly longDescription = messages.getMessage('cliLongDescription');
   public static readonly examples = messages.getMessage('examples').split(os.EOL);
   public static readonly requiresUsername = true;
+  public static readonly requiresProject = true;
 
   public async run(): Promise<PackageInstalledListResult[]> {
     const result = await packageInstalledList(this.org.getConnection());

src/commands/force/package/beta/uninstall.ts

@@ -7,14 +7,15 @@
 
 import * as os from 'os';
 import { flags, FlagsConfig, SfdxCommand } from '@salesforce/command';
-import { Lifecycle, Messages } from '@salesforce/core';
-import { getPackageIdFromAlias, PackagingSObjects, uninstallPackage } from '@salesforce/packaging';
+import { Lifecycle, Messages, SfProject } from '@salesforce/core';
+import { Package, PackagingSObjects, uninstallPackage } from '@salesforce/packaging';
 import { Duration } from '@salesforce/kit';
 
 type UninstallResult = PackagingSObjects.SubscriberPackageVersionUninstallRequest;
 
 Messages.importMessagesDirectory(__dirname);
 const messages = Messages.loadMessages('@salesforce/plugin-packaging', 'package_uninstall');
+const installMsgs = Messages.loadMessages('@salesforce/plugin-packaging', 'package_install');
 
 export class PackageUninstallCommand extends SfdxCommand {
   public static readonly description = messages.getMessage('cliDescription');
@@ -44,15 +45,38 @@ export class PackageUninstallCommand extends SfdxCommand {
       this.ux.log(`Waiting for the package uninstall request to get processed. Status = ${data.Status}`);
     });
 
-    const packageId = getPackageIdFromAlias(this.flags.package, this.project);
-    if (!packageId.startsWith('04t')) {
-      throw messages.createError('invalidIdOrPackage', [packageId]);
-    }
+    const packageId = this.resolveSubscriberPackageVersionKey(this.flags.package);
 
     const result: UninstallResult = await uninstallPackage(packageId, this.org.getConnection(), this.flags.wait);
     const arg = result.Status === 'Success' ? [result.SubscriberPackageVersionId] : [result.Id, this.org.getUsername()];
     this.ux.log(messages.getMessage(result.Status, arg));
 
     return result;
   }
+
+  // Given a package version ID (04t) or an alias for the package, validate and
+  // return the package version ID (aka SubscriberPackageVersionKey).
+  private resolveSubscriberPackageVersionKey(idOrAlias: string): string {
+    let resolvedId: string;
+
+    if (idOrAlias.startsWith('04t')) {
+      Package.validateId(idOrAlias, 'SubscriberPackageVersionId');
+      resolvedId = idOrAlias;
+    } else {
+      let packageAliases: { [k: string]: string };
+      try {
+        const projectJson = SfProject.getInstance().getSfProjectJson();
+        packageAliases = projectJson.getContents().packageAliases ?? {};
+      } catch (e) {
+        throw installMsgs.createError('projectNotFound', [idOrAlias]);
+      }
+      resolvedId = packageAliases[idOrAlias];
+      if (!resolvedId) {
+        throw installMsgs.createError('packageAliasNotFound', [idOrAlias]);
+      }
+      Package.validateId(resolvedId, 'SubscriberPackageVersionId');
+    }
+
+    return resolvedId;
+  }
 }