Made error messages a bit more user-friendly

Closes #87

src/platforms/curseforge/curseforge-uploader.ts

@@ -50,7 +50,9 @@ export class CurseForgeUploader extends GenericPlatformUploader<CurseForgeUpload
      * @inheritdoc
      */
     protected async uploadCore(request: CurseForgeUploadRequest): Promise<CurseForgeUploadReport> {
-        ArgumentError.throwIfNullOrEmpty(request.id, "request.id");
+        ArgumentError.throwIfNullOrEmpty(request.id, "request.id", "A project ID is required to upload files to CurseForge.");
+        ArgumentError.throwIfNullOrEmpty(request.loaders, "request.loaders", "At least one loader should be specified to upload files to CurseForge.");
+        ArgumentError.throwIfNullOrEmpty(request.gameVersions, "request.gameVersions", "At least one game version should be specified to upload files to CurseForge.");
 
         const api = new CurseForgeUploadApiClient({ token: request.token.unwrap(), fetch: this._fetch });
         const eternalApi = new CurseForgeEternalApiClient({ fetch: this._fetch });

src/platforms/generic-platform-uploader.ts

@@ -154,8 +154,8 @@ export abstract class GenericPlatformUploader<TOptions extends GenericPlatformUp
      */
     async upload(request: TRequest): Promise<TReport> {
         ArgumentNullError.throwIfNull(request, "request");
-        ArgumentNullError.throwIfNull(request.token, "request.token");
+        ArgumentNullError.throwIfNull(request.token, "request.token", `A token is required to upload files to ${PlatformType.friendlyNameOf(this.platform)}.`);
-        ArgumentNullError.throwIfNullOrEmpty(request.files, "request.files");
+        ArgumentNullError.throwIfNullOrEmpty(request.files, "request.files", "No files to upload were specified. Please include at least one file in the request.");
 
         const platformName = PlatformType.friendlyNameOf(this.platform);
         const maxAttempts = request.retryAttempts ?? DEFAULT_RETRY_ATTEMPTS;

src/platforms/github/github-uploader.ts

@@ -42,12 +42,8 @@ export class GitHubUploader extends GenericPlatformUploader<GitHubUploaderOption
      * @param options - The options to use for the uploader.
      */
     constructor(options: GitHubUploaderOptions) {
-        ArgumentNullError.throwIfNull(options, "options");
-        ArgumentNullError.throwIfNull(options.githubContext, "options.githubContext");
-        ArgumentNullError.throwIfNull(options.githubContext.repo, "options.githubContext.repo");
-
         super(options);
-        this._context = options.githubContext;
+        this._context = options?.githubContext;
     }
 
     /**
@@ -61,6 +57,8 @@ export class GitHubUploader extends GenericPlatformUploader<GitHubUploaderOption
      * @inheritdoc
      */
     protected async uploadCore(request: GitHubUploadRequest): Promise<GitHubUploadReport> {
+        ArgumentNullError.throwIfNull(this._context?.repo, "context.repo", "The information about the repository is required to upload files to GitHub.");
+
         const api = new GitHubApiClient({ token: request.token.unwrap(), fetch: this._fetch, baseUrl: this._context.apiUrl });
         const repo = this._context.repo;
 

src/platforms/modrinth/modrinth-uploader.ts

@@ -51,7 +51,10 @@ export class ModrinthUploader extends GenericPlatformUploader<ModrinthUploaderOp
      * @inheritdoc
      */
     protected async uploadCore(request: ModrinthUploadRequest): Promise<ModrinthUploadReport> {
-        ArgumentError.throwIfNullOrEmpty(request.id, "request.id");
+        ArgumentError.throwIfNullOrEmpty(request.id, "request.id", "A project ID is required to upload files to Modrinth.");
+        ArgumentError.throwIfNullOrEmpty(request.version, "request.version", "A version number is required to upload files to Modrinth.");
+        ArgumentError.throwIfNullOrEmpty(request.loaders, "request.loaders", "At least one loader should be specified to upload files to Modrinth.");
+        ArgumentError.throwIfNullOrEmpty(request.gameVersions, "request.gameVersions", "At least one game version should be specified to upload files to Modrinth.");
 
         const api = new ModrinthApiClient({ token: request.token.unwrap(), fetch: this._fetch });
         const unfeatureMode = request.unfeatureMode ?? (request.featured ? ModrinthUnfeatureMode.SUBSET : ModrinthUnfeatureMode.NONE);

src/program.ts

@@ -99,7 +99,7 @@ async function publish(action: Action, githubContext: GitHubContext, logger: Log
  * @returns A promise that resolves to the options with default values filled in.
  */
 async function fillInDefaultValues<T extends McPublishInput[P], P extends PlatformType>(options: T, platform: P, githubContext: GitHubContext, reader?: LoaderMetadataReader): Promise<T> {
-    ArgumentError.throwIfNullOrEmpty(options.files, "options.files");
+    ArgumentError.throwIfNullOrEmpty(options.files, "options.files", "No files found for the specified glob. Please ensure the glob is correct and files matching the pattern exist in the specified directory.");
 
     options = { ...options };
     const primaryFile = options.files[0];