Add removeArtifacts (#109)

src/ArtifactUploader.ts

@@ -10,6 +10,7 @@ export class GithubArtifactUploader implements ArtifactUploader {
     constructor(
         private releases: Releases,
         private replacesExistingArtifacts: boolean = true,
+        private removeArtifacts: boolean = false,
         private throwsUploadErrors: boolean = false,
     ) {
     }
@@ -20,6 +21,9 @@ export class GithubArtifactUploader implements ArtifactUploader {
         if (this.replacesExistingArtifacts) {
             await this.deleteUpdatedArtifacts(artifacts, releaseId)
         }
+        if (this.removeArtifacts) {
+            await this.deleteUploadedArtifacts(releaseId)
+        }
         for (const artifact of artifacts) {
             await this.uploadArtifact(artifact, releaseId, uploadUrl)
         }
@@ -65,4 +69,13 @@ export class GithubArtifactUploader implements ArtifactUploader {
             }
         }
     }
+
+    private async deleteUploadedArtifacts(releaseId: number): Promise<void> {
+        const releaseAssets = await this.releases.listArtifactsForRelease(releaseId)
+        for (const artifact of releaseAssets) {
+            const asset = artifact
+            core.debug(`Deleting existing artifact ${artifact.name}...`)
+            await this.releases.deleteArtifact(asset.id)
+        }
+    }
 }