Avoid unnecessary semicolon before call signatures (#19212)

changelog_unreleased/typescript/19212.md

@@ -0,0 +1,25 @@
+#### Avoid unnecessary semicolon before call signatures in `no-semi` mode (#19212 by @fisker)
+
+<!-- prettier-ignore -->
+```tsx
+// Input
+export interface MyInterface {
+  someMethod: (a: number) => Promise<number>
+  anotherMethod: (a: string) => Promise<string>
+  (a: string): Promise<string>
+}
+
+// Prettier stable (--no-semi)
+export interface MyInterface {
+  someMethod: (a: number) => Promise<number>
+  anotherMethod: (a: string) => Promise<string>;
+  (a: string): Promise<string>
+}
+
+// Prettier main
+export interface MyInterface {
+  someMethod: (a: number) => Promise<number>
+  anotherMethod: (a: string) => Promise<string>
+  (a: string): Promise<string>
+}
+```