feat(diagnostic): add showRelatedInformation

data/schema.json

@@ -1039,12 +1039,6 @@
       "description": "Enable diagnostic refresh on insert mode, default false.",
       "default": false
     },
-    "diagnostic.separateRelatedInformationAsDiagnostics": {
-      "type": "boolean",
-      "default": false,
-      "scope": "application",
-      "description": "Separate related information as diagnostics."
-    },
     "diagnostic.showDeprecated": {
       "type": "boolean",
       "default": true,
@@ -1139,6 +1133,12 @@
       "description": "Text of warning sign",
       "default": "⚠"
     },
+    "diagnostic.showRelatedInformation": {
+      "type": "boolean",
+      "default": true,
+      "scope": "language-overridable",
+      "description": "Display related information in the diagnostic floating window."
+    },
     "dialog.confirmKey": {
       "type": "string",
       "default": "<cr>",

doc/coc-config.txt

@@ -272,12 +272,6 @@ Diagnostic~
 
 	Scope: `language-overridable`, default: `false`
 
-"diagnostic.separateRelatedInformationAsDiagnostics"	*coc-config-diagnostic-separateRelatedInformationAsDiagnostics*
-
-	Separate related information as diagnostics.
-
-	Scope: `application`, default: `false`
-
 "diagnostic.showDeprecated"				*coc-config-diagnostic-showDeprecated*
 
 	Show diagnostics with deprecated tag.
@@ -371,6 +365,12 @@ Diagnostic~
 
 	Scope: `application`, default: `"⚠"`
 
+"diagnostic.showRelatedInformation"				*coc-config-diagnostic-showRelatedInformation*
+
+	Display related information in the diagnostic floating window.
+
+	Scope: `language-overridable`, default: `true`
+
 ------------------------------------------------------------------------------
 Dialog~
 							*coc-config-dialog*

src/__tests__/client/integration.test.ts

@@ -598,51 +598,6 @@ describe('Client integration', () => {
     expect(fn).toBeCalled()
   })
 
-  it('should separate diagnostics', async () => {
-    async function startServer(disable?: boolean, handleDiagnostics?: (uri: string, diagnostics: Diagnostic[], next: HandleDiagnosticsSignature) => void): Promise<lsclient.LanguageClient> {
-      let clientOptions: lsclient.LanguageClientOptions = {
-        disableDiagnostics: disable,
-        separateDiagnostics: true,
-        initializationOptions: {},
-        middleware: {
-          handleDiagnostics
-        }
-      }
-      let serverModule = path.join(__dirname, './server/eventServer.js')
-      let serverOptions: lsclient.ServerOptions = {
-        module: serverModule,
-        transport: lsclient.TransportKind.stdio,
-      }
-      let client = new lsclient.LanguageClient('html', 'Test Language Server', serverOptions, clientOptions)
-      await client.start()
-      return client
-    }
-    let client = await startServer()
-    await client.sendNotification('diagnostics')
-    await helper.waitValue(() => {
-      let collection = client.diagnostics
-      let res = collection.get('lsptest:/2')
-      return res.length
-    }, 2)
-    await client.stop()
-    client = await startServer(true)
-    await client.sendNotification('diagnostics')
-    await helper.wait(50)
-    let collection = client.diagnostics
-    expect(collection).toBeUndefined()
-    await client.stop()
-    let called = false
-    client = await startServer(false, (uri, diagnostics, next) => {
-      called = true
-      next(uri, diagnostics)
-    })
-    await client.sendNotification('diagnostics')
-    await helper.waitValue(() => {
-      return called
-    }, true)
-    await client.stop()
-  })
-
   it('should check version on apply workspaceEdit', async () => {
     let uri = URI.file(__filename)
     await workspace.loadFile(uri.toString())

src/diagnostic/buffer.ts

@@ -1,6 +1,7 @@
 'use strict'
 import type { Buffer, Neovim, VirtualTextOption } from '@chemzqm/neovim'
 import { Diagnostic, DiagnosticSeverity, Position, TextEdit } from 'vscode-languageserver-types'
+import { URI } from 'vscode-uri'
 import events from '../events'
 import { SyncItem } from '../model/bufferSync'
 import Document from '../model/document'
@@ -10,6 +11,7 @@ import { isFalsyOrEmpty } from '../util/array'
 import { lineInRange, positionInRange } from '../util/position'
 import { Emitter, Event } from '../util/protocol'
 import window from '../window'
+import { path } from '../util/node'
 import workspace from '../workspace'
 import { adjustDiagnostics, DiagnosticConfig, formatDiagnostic, getHighlightGroup, getLocationListItem, getNameFromSeverity, getSeverityType, LocationListItem, severityLevel, sortDiagnostics } from './util'
 import { stripAnsiColoring } from '../util/ansiparse'
@@ -124,6 +126,7 @@ export class DiagnosticBuffer implements SyncItem {
       showUnused: config.get<boolean>('showUnused', true),
       showDeprecated: config.get<boolean>('showDeprecated', true),
       format: config.get<string>('format', '[%source%code] [%severity] %message'),
+      showRelatedInformation: config.get<boolean>('showRelatedInformation', true),
     }
     if (this._config.virtualText && !virtualTextSrcId) {
       void this.nvim.createNamespace('coc-diagnostic-virtualText').then(id => {
@@ -352,9 +355,25 @@ export class DiagnosticBuffer implements SyncItem {
       } else {
         filetype = ft
       }
-      docs.push({ filetype, content: formatDiagnostic(config.format, diagnostic) })
-      if (diagnostic.codeDescription?.href) {
-        docs.push({ filetype: 'txt', content: diagnostic.codeDescription.href })
+      let msg = diagnostic.message
+      let link = diagnostic.codeDescription?.href ?? ''
+      if (config.showRelatedInformation && diagnostic.relatedInformation?.length) {
+        msg = `${diagnostic.message}\n\nRelated information:\n`
+        for (const info of diagnostic.relatedInformation) {
+            const fsPath = URI.parse(info.location.uri).fsPath
+            const basename = path.basename(fsPath)
+            const line = info.location.range.start.line + 1
+            const column = info.location.range.start.character + 1
+            msg = `${msg}\n  * ${basename}#${line},${column}: ${info.message}`
+        }
+        msg = msg + "\n\n"
+      }
+      docs.push({ filetype, content: formatDiagnostic(config.format, {
+        ...diagnostic,
+        message: msg
+      }) })
+      if (link) {
+        docs.push({ filetype: 'txt', content: link })
       }
     })
     await floatFactory.show(docs, this.config.floatConfig)

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/diagnostic/util.ts

@@ -61,6 +61,7 @@ export interface DiagnosticConfig {
   showDeprecated: boolean
   format: string
   floatConfig: FloatConfig
+  showRelatedInformation: boolean
 }
 
 export function formatDiagnostic(format: string, diagnostic: Diagnostic): string {

src/language-client/client.ts

@@ -174,7 +174,6 @@ export type LanguageClientOptions = {
   rootPatterns?: string[]
   requireRootPattern?: boolean
   documentSelector?: DocumentSelector
-  separateDiagnostics?: boolean
   disableMarkdown?: boolean
   disableWorkspaceFolders?: boolean
   disableDiagnostics?: boolean
@@ -206,7 +205,6 @@ type ResolvedClientOptions = {
   disabledFeatures: string[]
   disableMarkdown: boolean
   disableDynamicRegister: boolean
-  separateDiagnostics: boolean
   rootPatterns?: string[]
   requireRootPattern?: boolean
   documentSelector: DocumentSelector
@@ -382,15 +380,10 @@ export abstract class BaseLanguageClient implements FeatureClient<Middleware, La
         }
       }
     }
-    let separateDiagnostics = clientOptions.separateDiagnostics
-    if (clientOptions.separateDiagnostics === undefined) {
-      separateDiagnostics = workspace.getConfiguration('diagnostic', clientOptions.workspaceFolder).get('separateRelatedInformationAsDiagnostics') as boolean
-    }
     return {
       disabledFeatures,
       disableMarkdown,
       disableSnippetCompletion,
-      separateDiagnostics,
       diagnosticPullOptions: pullOption,
       rootPatterns: clientOptions.rootPatterns ?? [],
       requireRootPattern: clientOptions.requireRootPattern,
@@ -1575,30 +1568,7 @@ export abstract class BaseLanguageClient implements FeatureClient<Middleware, La
   private setDiagnostics(uri: string, diagnostics: Diagnostic[] | undefined) {
     if (!this._diagnostics) return
 
-    const separate = this.clientOptions.separateDiagnostics
-    // TODO make is async
-    if (separate && diagnostics.length > 0) {
-      const entries: Map<string, Diagnostic[]> = new Map()
-      entries.set(uri, diagnostics)
-      for (const diagnostic of diagnostics) {
-        if (diagnostic.relatedInformation?.length) {
-          let message = `${diagnostic.message}\n\nRelated diagnostics:\n`
-          for (const info of diagnostic.relatedInformation) {
-            const basename = path.basename(URI.parse(info.location.uri).fsPath)
-            const ln = info.location.range.start.line
-            message = `${message}\n${basename}(line ${ln + 1}): ${info.message}`
-
-            const diags: Diagnostic[] = entries.get(info.location.uri) || []
-            diags.push(Diagnostic.create(info.location.range, info.message, DiagnosticSeverity.Hint, diagnostic.code, diagnostic.source))
-            entries.set(info.location.uri, diags)
-          }
-          diagnostic.message = message
-        }
-        this._diagnostics.set(Array.from(entries))
-      }
-    } else {
-      this._diagnostics.set(uri, diagnostics)
-    }
+    this._diagnostics.set(uri, diagnostics)
   }
 
   private handleApplyWorkspaceEdit(params: ApplyWorkspaceEditParams): Promise<ApplyWorkspaceEditResult> {

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())