clean up deprecations of techdocs-node plugin

Signed-off-by: Emma Indal <emma.indahl@gmail.com>

plugins/techdocs-node/src/stages/prepare/dir.test.ts

@@ -52,11 +52,10 @@ const mockUrlReader: jest.Mocked<UrlReader> = {
 
 describe('directory preparer', () => {
   it('should merge managed-by-location and techdocs-ref when techdocs-ref is relative', async () => {
-    const directoryPreparer = new DirectoryPreparer(
-      mockConfig,
+    const directoryPreparer = DirectoryPreparer.fromConfig(mockConfig, {
       logger,
-      mockUrlReader,
-    );
+      reader: mockUrlReader,
+    });
 
     const mockEntity = createMockEntity({
       'backstage.io/managed-by-location':
@@ -69,11 +68,10 @@ describe('directory preparer', () => {
   });
 
   it('should reject when techdocs-ref is absolute', async () => {
-    const directoryPreparer = new DirectoryPreparer(
-      mockConfig,
+    const directoryPreparer = DirectoryPreparer.fromConfig(mockConfig, {
       logger,
-      mockUrlReader,
-    );
+      reader: mockUrlReader,
+    });
 
     const mockEntity = createMockEntity({
       'backstage.io/managed-by-location':
@@ -87,11 +85,10 @@ describe('directory preparer', () => {
   });
 
   it('should reject when managed-by-location has an unknown type', async () => {
-    const directoryPreparer = new DirectoryPreparer(
-      mockConfig,
+    const directoryPreparer = DirectoryPreparer.fromConfig(mockConfig, {
       logger,
-      mockUrlReader,
-    );
+      reader: mockUrlReader,
+    });
 
     const mockEntity = createMockEntity({
       'backstage.io/managed-by-location':

plugins/techdocs-node/src/stages/prepare/dir.ts

@@ -39,12 +39,6 @@ export class DirectoryPreparer implements PreparerBase {
   private readonly scmIntegrations: ScmIntegrationRegistry;
   private readonly reader: UrlReader;
 
-  /**  @deprecated use static fromConfig method instead */
-  constructor(config: Config, _logger: Logger | null, reader: UrlReader) {
-    this.reader = reader;
-    this.scmIntegrations = ScmIntegrations.fromConfig(config);
-  }
-
   /**
    * Returns a directory preparer instance
    * @param config - A backstage config
@@ -57,6 +51,15 @@ export class DirectoryPreparer implements PreparerBase {
     return new DirectoryPreparer(config, logger, reader);
   }
 
+  private constructor(
+    config: Config,
+    _logger: Logger | null,
+    reader: UrlReader,
+  ) {
+    this.reader = reader;
+    this.scmIntegrations = ScmIntegrations.fromConfig(config);
+  }
+
   /** {@inheritDoc PreparerBase.prepare} */
   async prepare(
     entity: Entity,

plugins/techdocs-node/src/stages/prepare/preparers.ts

@@ -44,18 +44,17 @@ export class Preparers implements PreparerBuilder {
   ): Promise<PreparerBuilder> {
     const preparers = new Preparers();
 
-    const urlPreparer = new UrlPreparer(reader, logger);
+    const urlPreparer = UrlPreparer.fromConfig({ reader, logger });
     preparers.register('url', urlPreparer);
 
     /**
      * Dir preparer is a syntactic sugar for users to define techdocs-ref annotation.
      * When using dir preparer, the docs will be fetched using URL Reader.
      */
-    const directoryPreparer = new DirectoryPreparer(
-      backstageConfig,
+    const directoryPreparer = DirectoryPreparer.fromConfig(backstageConfig, {
       logger,
       reader,
-    );
+    });
     preparers.register('dir', directoryPreparer);
 
     return preparers;

plugins/techdocs-node/src/stages/prepare/url.ts

@@ -34,12 +34,6 @@ export class UrlPreparer implements PreparerBase {
   private readonly logger: Logger;
   private readonly reader: UrlReader;
 
-  /**  @deprecated use static fromConfig method instead */
-  constructor(reader: UrlReader, logger: Logger) {
-    this.logger = logger;
-    this.reader = reader;
-  }
-
   /**
    * Returns a directory preparer instance
    * @param config - A URL preparer config containing the a logger and reader
@@ -48,6 +42,11 @@ export class UrlPreparer implements PreparerBase {
     return new UrlPreparer(reader, logger);
   }
 
+  private constructor(reader: UrlReader, logger: Logger) {
+    this.logger = logger;
+    this.reader = reader;
+  }
+
   /** {@inheritDoc PreparerBase.prepare} */
   async prepare(
     entity: Entity,