Adding explicit returns

src/vs/workbench/api/node/extHostLanguageFeatures.ts

@@ -40,6 +40,7 @@ class OutlineAdapter {
 			if (Array.isArray(value)) {
 				return value.map(TypeConverters.SymbolInformation.toOutlineEntry);
 			}
+			return undefined;
 		});
 	}
 }
@@ -64,7 +65,6 @@ class CodeLensAdapter {
 		const doc = this._documents.getDocumentData(resource).document;
 
 		return asWinJsPromise(token => this._provider.provideCodeLenses(doc, token)).then(lenses => {
-
 			if (Array.isArray(lenses)) {
 				return lenses.map(lens => {
 					const id = this._heapService.keep(lens);
@@ -74,6 +74,7 @@ class CodeLensAdapter {
 					}, id);
 				});
 			}
+			return undefined;
 		});
 	}
 
@@ -81,7 +82,7 @@ class CodeLensAdapter {
 
 		const lens = this._heapService.get<vscode.CodeLens>(ObjectIdentifier.of(symbol));
 		if (!lens) {
-			return;
+			return undefined;
 		}
 
 		let resolve: TPromise<vscode.CodeLens>;
@@ -118,6 +119,7 @@ class DefinitionAdapter {
 			} else if (value) {
 				return TypeConverters.location.from(value);
 			}
+			return undefined;
 		});
 	}
 }
@@ -141,6 +143,7 @@ class ImplementationAdapter {
 			} else if (value) {
 				return TypeConverters.location.from(value);
 			}
+			return undefined;
 		});
 	}
 }
@@ -162,7 +165,7 @@ class HoverAdapter {
 
 		return asWinJsPromise(token => this._provider.provideHover(doc, pos, token)).then(value => {
 			if (!value) {
-				return;
+				return undefined;
 			}
 			if (!value.range) {
 				value.range = doc.getWordRangeAtPosition(pos);
@@ -195,6 +198,7 @@ class DocumentHighlightAdapter {
 			if (Array.isArray(value)) {
 				return value.map(DocumentHighlightAdapter._convertDocumentHighlight);
 			}
+			return undefined;
 		});
 	}
 
@@ -224,6 +228,7 @@ class ReferenceAdapter {
 			if (Array.isArray(value)) {
 				return value.map(TypeConverters.location.from);
 			}
+			return undefined;
 		});
 	}
 }
@@ -260,7 +265,7 @@ class QuickFixAdapter {
 
 		return asWinJsPromise(token => this._provider.provideCodeActions(doc, ran, { diagnostics: allDiagnostics }, token)).then(commands => {
 			if (!Array.isArray(commands)) {
-				return;
+				return undefined;
 			}
 			return commands.map((command, i) => {
 				return <modes.CodeAction>{
@@ -290,6 +295,7 @@ class DocumentFormattingAdapter {
 			if (Array.isArray(value)) {
 				return value.map(TypeConverters.TextEdit.from);
 			}
+			return undefined;
 		});
 	}
 }
@@ -313,6 +319,7 @@ class RangeFormattingAdapter {
 			if (Array.isArray(value)) {
 				return value.map(TypeConverters.TextEdit.from);
 			}
+			return undefined;
 		});
 	}
 }
@@ -338,6 +345,7 @@ class OnTypeFormattingAdapter {
 			if (Array.isArray(value)) {
 				return value.map(TypeConverters.TextEdit.from);
 			}
+			return undefined;
 		});
 	}
 }
@@ -363,6 +371,7 @@ class NavigateTypeAdapter implements IWorkspaceSymbolProvider {
 					return ObjectIdentifier.mixin(result, id);
 				});
 			}
+			return undefined;
 		});
 	}
 
@@ -378,6 +387,7 @@ class NavigateTypeAdapter implements IWorkspaceSymbolProvider {
 				return value && TypeConverters.fromSymbolInformation(value);
 			});
 		}
+		return undefined;
 	}
 }
 
@@ -397,9 +407,8 @@ class RenameAdapter {
 		let pos = TypeConverters.toPosition(position);
 
 		return asWinJsPromise(token => this._provider.provideRenameEdits(doc, pos, newName, token)).then(value => {
-
 			if (!value) {
-				return;
+				return undefined;
 			}
 
 			let result = <modes.WorkspaceEdit>{
@@ -458,7 +467,7 @@ class SuggestAdapter {
 			let list: CompletionList;
 			if (!value) {
 				// undefined and null are valid results
-				return;
+				return undefined;
 
 			} else if (Array.isArray(value)) {
 				list = new CompletionList(value);
@@ -523,7 +532,7 @@ class SuggestAdapter {
 	private _convertCompletionItem(item: vscode.CompletionItem, position: vscode.Position, defaultRange: vscode.Range): modes.ISuggestion {
 		if (!item.label) {
 			console.warn('INVALID text edit -> must have at least a label');
-			return;
+			return undefined;
 		}
 
 		const result: modes.ISuggestion = {
@@ -573,7 +582,7 @@ class SuggestAdapter {
 
 		if (!range.isSingleLine || range.start.line !== position.line) {
 			console.warn('INVALID text edit -> must be single line and on the same line');
-			return;
+			return undefined;
 		}
 
 		return result;
@@ -599,6 +608,7 @@ class SignatureHelpAdapter {
 			if (value) {
 				return TypeConverters.SignatureHelp.from(value);
 			}
+			return undefined;
 		});
 	}
 }
@@ -620,6 +630,7 @@ class LinkProviderAdapter {
 			if (Array.isArray(links)) {
 				return links.map(TypeConverters.DocumentLink.from);
 			}
+			return undefined;
 		});
 	}
 
@@ -629,8 +640,10 @@ class LinkProviderAdapter {
 				if (value) {
 					return TypeConverters.DocumentLink.from(value);
 				}
+				return undefined;
 			});
 		}
+		return undefined;
 	}
 }