feat(diagnostic): Add action diagnosticRelatedInformation

src/diagnostic/manager.ts

@@ -431,9 +431,7 @@ class DiagnosticManager implements Disposable {
   }
 
   public async jumpRelated(): Promise<void> {
-    let diagnostics = await this.getCurrentDiagnostics()
-    let diagnostic = diagnostics.find(o => o.relatedInformation != null)
-    let locations = diagnostic ? diagnostic.relatedInformation.map(o => o.location) : []
+    let locations = await this.relatedInformation()
     if (locations.length == 1) {
       await workspace.jumpTo(locations[0].uri, locations[0].range.start)
     } else if (locations.length > 1) {
@@ -443,6 +441,13 @@ class DiagnosticManager implements Disposable {
     }
   }
 
+  public async relatedInformation(): Promise<Location[]> {
+    let diagnostics = await this.getCurrentDiagnostics()
+    let diagnostic = diagnostics.find(o => o.relatedInformation != null)
+    let locations = diagnostic ? diagnostic.relatedInformation.map(o => o.location) : []
+    return locations
+  }
+
   public reset(): void {
     clearTimeout(this.messageTimer)
     this.buffers.reset()

src/language-client/client.ts

@@ -1568,7 +1568,6 @@ export abstract class BaseLanguageClient implements FeatureClient<Middleware, La
   private setDiagnostics(uri: string, diagnostics: Diagnostic[] | undefined) {
     if (!this._diagnostics) return
 
-    // TODO make is async
     this._diagnostics.set(uri, diagnostics)
   }
 

src/plugin.ts

@@ -104,6 +104,7 @@ export default class Plugin {
     this.addAction('diagnosticPrevious', severity => diagnosticManager.jumpPrevious(severity))
     this.addAction('diagnosticPreview', () => diagnosticManager.preview())
     this.addAction('diagnosticList', () => diagnosticManager.getDiagnosticList())
+    this.addAction('diagnosticRelatedInformation', () => diagnosticManager.relatedInformation())
     this.addAction('findLocations', (id, method, params, openCommand) => this.handler.locations.findLocations(id, method, params, openCommand))
     this.addAction('getTagList', () => this.handler.locations.getTagList())
     this.addAction('definitions', () => this.handler.locations.definitions())