decorate quick info at position

Author: zardoy

typescript/src/decorateProxy.ts

@@ -19,6 +19,7 @@ import libDomPatching from './libDomPatching'
 import decorateSignatureHelp from './decorateSignatureHelp'
 import { approveCast, findChildContainingExactPosition } from './utils'
 import decorateFindRenameLocations from './decorateFindRenameLocations'
+import decorateQuickInfoAtPosition from './decorateQuickInfoAtPosition'
 
 /** @internal */
 export const thisPluginMarker = '__essentialPluginsMarker__'
@@ -143,6 +144,7 @@ export const decorateLanguageService = (
     decorateFormatFeatures(proxy, languageService, languageServiceHost, c)
     decorateSignatureHelp(proxy, languageService, languageServiceHost, c)
     decorateFindRenameLocations(proxy, languageService, c)
+    decorateQuickInfoAtPosition(proxy, languageService, languageServiceHost, c)
 
     libDomPatching(languageServiceHost, c)
 

typescript/src/decorateQuickInfoAtPosition.ts

@@ -0,0 +1,10 @@
+import { GetConfig } from './types'
+
+export default (proxy: ts.LanguageService, languageService: ts.LanguageService, languageServiceHost: ts.LanguageServiceHost, c: GetConfig) => {
+    proxy.getQuickInfoAtPosition = (...args) => {
+        const [fileName, position] = args
+        const prior = languageService.getQuickInfoAtPosition(...args)
+        if (!prior) return
+        return prior
+    }
+}