fix: getOverloads for a class method should take into account if static (#1337)

dsherret · web-flow · commit f927d01b347b · 2022-09-30T20:58:57.000-04:00
Closes #1298
diff --git a/deno/ts_morph.js b/deno/ts_morph.js
@@ -13647,11 +13647,12 @@ function OverloadableNode(Base) {
 function getOverloadsAndImplementation(node) {
     const parent = node.getParentOrThrow();
     const name = getNameIfNamedNode(node);
+    const isStatic = getStaticIfStaticable(node);
     const kind = node.getKind();
     return parent.forEachChildAsArray().filter(n => {
-        const hasSameName = getNameIfNamedNode(n) === name;
-        const hasSameKind = n.getKind() === kind;
-        return hasSameName && hasSameKind;
+        return getNameIfNamedNode(n) === name
+            && n.getKind() === kind
+            && getStaticIfStaticable(n) === isStatic;
     });
 }
 function getNameIfNamedNode(node) {
@@ -13660,6 +13661,12 @@ function getNameIfNamedNode(node) {
         return nodeAsNamedNode.getName();
     return undefined;
 }
+function getStaticIfStaticable(node) {
+    const nodeAsStaticableNode = node;
+    if (nodeAsStaticableNode.isStatic instanceof Function)
+        return nodeAsStaticableNode.isStatic();
+    return false;
+}
 function insertOverloads(opts) {
     if (opts.structures.length === 0)
         return [];
diff --git a/packages/ts-morph/src/compiler/ast/function/OverloadableNode.ts b/packages/ts-morph/src/compiler/ast/function/OverloadableNode.ts
@@ -1,9 +1,9 @@
-import { errors, ObjectUtils, SyntaxKind } from "@ts-morph/common";
+import { errors, SyntaxKind } from "@ts-morph/common";
 import { CodeBlockWriter } from "../../../codeBlockWriter";
 import { getRangeWithoutCommentsFromArray, insertIntoParentTextRange, verifyAndGetIndex } from "../../../manipulation";
 import { Structure } from "../../../structures";
 import { Constructor } from "../../../types";
-import { BodyableNode, NamedNode } from "../base";
+import { BodyableNode, NamedNode, StaticableNode } from "../base";
 import { Node } from "../common";
 
 export type OverloadableNodeExtensionType = Node & BodyableNode;
@@ -63,11 +63,12 @@ export function OverloadableNode<T extends Constructor<OverloadableNodeExtension
 function getOverloadsAndImplementation(node: OverloadableNodeExtensionType & OverloadableNode) {
   const parent = node.getParentOrThrow();
   const name = getNameIfNamedNode(node);
+  const isStatic = getStaticIfStaticable(node);
   const kind = node.getKind();
   return parent.forEachChildAsArray().filter(n => {
-    const hasSameName = getNameIfNamedNode(n) === name;
-    const hasSameKind = n.getKind() === kind;
-    return hasSameName && hasSameKind;
+    return getNameIfNamedNode(n) === name
+      && n.getKind() === kind
+      && getStaticIfStaticable(n) === isStatic;
   }) as (OverloadableNodeExtensionType & OverloadableNode)[];
 }
 
@@ -78,6 +79,13 @@ function getNameIfNamedNode(node: Node) {
   return undefined;
 }
 
+function getStaticIfStaticable(node: Node) {
+  const nodeAsStaticableNode = (node as any as StaticableNode);
+  if (nodeAsStaticableNode.isStatic instanceof Function)
+    return nodeAsStaticableNode.isStatic();
+  return false;
+}
+
 /**
  * @internal
  */
diff --git a/packages/ts-morph/src/tests/compiler/ast/function/overloadableNodeTests.ts b/packages/ts-morph/src/tests/compiler/ast/function/overloadableNodeTests.ts
@@ -8,7 +8,8 @@ describe("OverloadableNode", () => {
   const { sourceFile: functionSourceFile } = getInfoFromText<FunctionDeclaration>(functionCode);
   const functions = functionSourceFile.getChildSyntaxListOrThrow().getChildren() as FunctionDeclaration[];
 
-  const constructorCode = `class MyClass { constructor();constructor();constructor() {} myMethod(): void;myMethod() {} abstract test(); }`;
+  const constructorCode =
+    `class MyClass { constructor();constructor();constructor() {} myMethod(): void;myMethod() {} static myMethod(): void;static myMethod(): void;static myMethod() {} abstract test(); }`;
   const { firstChild: classChild } = getInfoFromText<ClassDeclaration>(constructorCode);
   const constructors = classChild.getChildSyntaxListOrThrow().getChildren().filter(c => c instanceof ConstructorDeclaration) as ConstructorDeclaration[];
 
@@ -84,6 +85,13 @@ describe("OverloadableNode", () => {
         expect(firstChild.getOverloads().length).to.equal(2);
       });
     });
+
+    describe("methods", () => {
+      it("should get the correct number of overloads for method", () => {
+        expect(classChild.getInstanceMethodOrThrow("myMethod").getOverloads().length).to.equal(1);
+        expect(classChild.getStaticMethodOrThrow("myMethod").getOverloads().length).to.equal(2);
+      });
+    });
   });
 
   describe(nameof<OverloadableNode>("getImplementation"), () => {
