Merge pull request #556 from Xanewok/tslint-arrow-funcs

Enforce arrow return shorthand rule and fix formatting

Author: Xanewok

src/providers/signatureHelpProvider.ts

@@ -27,7 +27,10 @@ export class SignatureHelpProvider implements vscode.SignatureHelpProvider {
         token,
       ).then(hover => this.hoverToSignatureHelp(hover));
     } else if (context.triggerCharacter === ',') {
-      if (this.previousFunctionPosition && position.line === this.previousFunctionPosition.line) {
+      if (
+        this.previousFunctionPosition &&
+        position.line === this.previousFunctionPosition.line
+      ) {
         return this.provideHover(
           this.languageClient,
           document,
@@ -116,7 +119,10 @@ export class SignatureHelpProvider implements vscode.SignatureHelpProvider {
       return undefined;
     }
 
-    const doc = hover.contents.length > 1 ? hover.contents.slice(-1)[0] as vscode.MarkdownString : undefined;
+    const doc =
+      hover.contents.length > 1
+        ? (hover.contents.slice(-1)[0] as vscode.MarkdownString)
+        : undefined;
     const si = new vscode.SignatureInformation(label, doc);
 
     // without parsing the function definition, we don't have a way to get more info on parameters.

tslint.json

@@ -11,6 +11,7 @@
         "interface-name": [true, "never-prefix"],
         "variable-name": [true, "allow-leading-underscore"],
         "member-ordering": [true, {"order": "fields-first"}],
+        "arrow-return-shorthand": true,
 
         "object-literal-sort-keys": false,
         "no-console": false,