chore: wip

chore: wip

chore: wip

fixtures/wip/class.ts → fixtures/input/class.ts

@@ -44,3 +44,18 @@ export class CustomErrorWithMethodAndTypeAndReturn {
     return new Error(this.message)
   }
 }
+
+export class Result<T, E extends Error> {
+  constructor(
+    readonly value: T | null = null,
+    readonly error: E | null = null
+  ) {}
+
+  isOk(): this is { readonly value: T } {
+    return this.value !== null && this.error === null;
+  }
+
+  isErr(): this is { readonly error: E } {
+    return this.error !== null && this.value === null;
+  }
+}

fixtures/output/class.d.ts

@@ -0,0 +1,57 @@
+export declare class CustomError extends Error {
+  constructor(
+    message: string,
+    public readonly code: number,
+    public readonly metadata: Record<string, unknown>
+  ) {
+    super(message)
+    this.name = 'CustomError'
+  }
+}
+export declare class CustomErrorWithMethod extends CustomError {
+  logError() {
+    console.error(`[${this.code}] ${this.message}`)
+  }
+}
+export declare class CustomErrorWithMethodAndType extends CustomError {
+  logError(): void {
+    console.error(`[${this.code}] ${this.message}`)
+  }
+
+  getError(): Error {
+    return this
+  }
+}
+export declare class CustomErrorWithMethodAndTypeAndReturn {
+  constructor(
+    private message: string,
+    public readonly code: number,
+    public readonly metadata: Record<string, unknown>
+  ) {
+    this.message = message
+    this.code = code
+    this.metadata = metadata
+  }
+
+  logError(): void {
+    console.error(`[${this.code}] ${this.message}`)
+  }
+
+  getError(): Error {
+    return new Error(this.message)
+  }
+}
+export declare class Result<T, E extends Error> {
+  constructor(
+    readonly value: T | null = null,
+    readonly error: E | null = null
+  ) {}
+
+  isOk(): this is { readonly value: T } {
+    return this.value !== null && this.error === null;
+  }
+
+  isErr(): this is { readonly error: E } {
+    return this.error !== null && this.value === null;
+  }
+}