fix: remove duplication

Author: abdulsattar

src/shared/orgUtils.ts

@@ -15,7 +15,7 @@
  */
 
 import { Connection } from '@salesforce/core';
-import { VersionChannel, resolveChannel, getDefaultChannel } from './versionResolver.js';
+import { VersionChannel, resolveChannel, getDefaultChannel, getAllChannels } from './versionResolver.js';
 
 type LightningPreviewMetadataResponse = {
   enableLightningPreviewPref?: string;
@@ -144,7 +144,7 @@ export class OrgUtils {
     // Priority 2: Environment variable override
     const envOverride = process.env.FORCE_VERSION_CHANNEL;
     if (envOverride) {
-      const validChannels: VersionChannel[] = ['latest', 'prerelease', 'next'];
+      const validChannels = getAllChannels();
       if (validChannels.includes(envOverride as VersionChannel)) {
         return envOverride as VersionChannel;
       } else {

src/shared/typeUtils.ts

@@ -17,7 +17,22 @@
 type ValueOf<T> = T[keyof T];
 type Entries<T> = Array<[keyof T, ValueOf<T>]>;
 
-// Same as `Object.entries()` but with type inference
+/**
+ * Same as `Object.entries()` but with type inference
+ *
+ * @param obj the object to get the entries of
+ * @returns the entries of the object
+ */
 export function objectEntries<T extends object>(obj: T): Entries<T> {
   return Object.entries(obj) as Entries<T>;
 }
+
+/**
+ * Same as `Object.keys()` but with type inference
+ *
+ * @param obj the object to get the keys of
+ * @returns the keys of the object
+ */
+export function objectKeys<T extends object>(obj: T): Array<keyof T> {
+  return Object.keys(obj) as unknown as Array<keyof T>;
+}

src/shared/versionResolver.ts

@@ -15,7 +15,7 @@
  */
 
 import packageJson from '../../package.json' with { type: 'json' };
-import { objectEntries } from './typeUtils.js';
+import { objectEntries, objectKeys } from './typeUtils.js';
 
 /**
  * Resolves org API version to appropriate dependency channel
@@ -79,3 +79,10 @@ export function resolveChannel(orgApiVersion: string): VersionChannel {
 export function getDefaultChannel(): VersionChannel {
   return packageJson.apiVersionMetadata.defaultChannel as VersionChannel;
 }
+
+/**
+ * Returns a list of all valid version channels
+ */
+export function getAllChannels(): VersionChannel[] {
+  return objectKeys(packageJson.apiVersionMetadata.channels);
+}