update tsutils

Author: ajafff

package.json

@@ -36,7 +36,7 @@
   "dependencies": {
     "@fimbul/bifrost": "^0.6.0",
     "tslib": "^1.7.1",
-    "tsutils": "^2.24.0"
+    "tsutils": "^2.27.0"
   },
   "devDependencies": {
     "@fimbul/valtyr": "^0.8.0",

rules/noUnnecessaryTypeAnnotationRule.ts

@@ -12,6 +12,7 @@ import {
     isTypePredicateNode,
     isValidNumericLiteral,
     isIntersectionType,
+    getIIFE,
 } from 'tsutils';
 
 type FunctionExpressionLike = ts.ArrowFunction | ts.FunctionExpression;
@@ -65,7 +66,7 @@ function walk(ctx: Lint.WalkContext<IOptions>, checker: ts.TypeChecker) {
         if (!functionHasTypeDeclarations(node))
             return;
 
-        const iife = getIife(node);
+        const iife = getIIFE(node);
         if (iife !== undefined)
             return checkIife(node, iife);
 
@@ -347,17 +348,6 @@ function getMinArguments(parameters: ReadonlyArray<ts.ParameterDeclaration>): nu
     return minArguments;
 }
 
-function getIife(node: FunctionExpressionLike): ts.CallExpression | undefined {
-    let prev: ts.Node = node;
-    let parent = prev.parent!;
-    while (parent.kind === ts.SyntaxKind.ParenthesizedExpression) {
-        prev = parent;
-        parent = prev.parent!;
-    }
-    if (parent.kind === ts.SyntaxKind.CallExpression && (<ts.CallExpression>parent).expression === prev)
-        return <ts.CallExpression>parent;
-}
-
 function containsTypeWithFlag(type: ts.Type, flag: ts.TypeFlags): boolean {
     return isUnionType(type) ? type.types.some((t) => isTypeFlagSet(t, flag)) : isTypeFlagSet(type, flag);
 }