Accept object in shouldBuild for future extensibility

Signed-off-by: Nikolas Skoufis <nskoufis@seek.com.au>

plugins/techdocs-backend/src/index.ts

@@ -26,6 +26,7 @@ export type {
   RecommendedDeploymentOptions,
   OutOfTheBoxDeploymentOptions,
   DocsBuildStrategy,
+  ShouldBuildParameters,
 } from './service';
 
 export { DefaultTechDocsCollator } from './search';

plugins/techdocs-backend/src/service/DocsBuildStrategy.test.ts

@@ -46,7 +46,7 @@ describe('DefaultDocsBuildStrategy', () => {
 
       MockedConfigReader.prototype.getString.mockReturnValue('local');
 
-      const result = await defaultDocsBuildStrategy.shouldBuild(entity);
+      const result = await defaultDocsBuildStrategy.shouldBuild({ entity });
 
       expect(result).toBe(true);
     });
@@ -57,7 +57,7 @@ describe('DefaultDocsBuildStrategy', () => {
 
       MockedConfigReader.prototype.getString.mockReturnValue('external');
 
-      const result = await defaultDocsBuildStrategy.shouldBuild(entity);
+      const result = await defaultDocsBuildStrategy.shouldBuild({ entity });
 
       expect(result).toBe(false);
     });

plugins/techdocs-backend/src/service/DocsBuildStrategy.ts

@@ -16,13 +16,22 @@
 import { Entity } from '@backstage/catalog-model';
 import { Config } from '@backstage/config';
 
+/**
+ * Parameters passed to the shouldBuild method on the DocsBuildStrategy interface
+ *
+ * @public
+ */
+export type ShouldBuildParameters = {
+  entity: Entity;
+};
+
 /**
  * A strategy for when to build TechDocs locally, and when to skip building TechDocs (allowing for an external build)
  *
  * @public
  */
 export interface DocsBuildStrategy {
-  shouldBuild(entity: Entity): Promise<boolean>;
+  shouldBuild(params: ShouldBuildParameters): Promise<boolean>;
 }
 
 export class DefaultDocsBuildStrategy {
@@ -36,7 +45,7 @@ export class DefaultDocsBuildStrategy {
     return new DefaultDocsBuildStrategy(config);
   }
 
-  async shouldBuild(_: Entity): Promise<boolean> {
+  async shouldBuild(_: ShouldBuildParameters): Promise<boolean> {
     return this.config.getString('techdocs.builder') === 'local';
   }
 }

plugins/techdocs-backend/src/service/index.ts

@@ -20,4 +20,7 @@ export type {
   RecommendedDeploymentOptions,
   OutOfTheBoxDeploymentOptions,
 } from './router';
-export type { DocsBuildStrategy } from './DocsBuildStrategy';
+export type {
+  DocsBuildStrategy,
+  ShouldBuildParameters,
+} from './DocsBuildStrategy';

plugins/techdocs-backend/src/service/router.ts

@@ -221,7 +221,7 @@ export async function createRouter(
     // techdocs-backend will only try to build documentation for an entity if techdocs.builder is set to 'local'
     // If set to 'external', it will assume that an external process (e.g. CI/CD pipeline
     // of the repository) is responsible for building and publishing documentation to the storage provider
-    const shouldBuild = await docsBuildStrategy.shouldBuild(entity);
+    const shouldBuild = await docsBuildStrategy.shouldBuild({ entity });
     if (!shouldBuild) {
       // However, if caching is enabled, take the opportunity to check and
       // invalidate stale cache entries.