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Merged
macjohnny merged 2 commits into from
Feb 26, 2026
+350 −1
Merged

fix(typescript-fetch): ResponseError prototype chain #23010

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8feb1f8
fix(typescript-fetch): ResponseError prototype chain
jehiah Nov 7, 2025
5c5ead1
samples/*/typescript-fetch: re-generate runtime.ts
jehiah Feb 19, 2026
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18 changes: 18 additions & 0 deletions modules/openapi-generator/src/main/resources/typescript-fetch/runtime.mustache
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Original file line number Diff line number Diff line change
Expand Up @@ -251,20 +251,38 @@ export class ResponseError extends Error {
override name: "ResponseError" = "ResponseError";
constructor(public response: Response, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class FetchError extends Error {
override name: "FetchError" = "FetchError";
constructor(public cause: Error, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class RequiredError extends Error {
override name: "RequiredError" = "RequiredError";
constructor(public field: string, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

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18 changes: 18 additions & 0 deletions samples/client/others/typescript-fetch/infinite-recursion-issue/runtime.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -261,20 +261,38 @@ export class ResponseError extends Error {
override name: "ResponseError" = "ResponseError";
constructor(public response: Response, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class FetchError extends Error {
override name: "FetchError" = "FetchError";
constructor(public cause: Error, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class RequiredError extends Error {
override name: "RequiredError" = "RequiredError";
constructor(public field: string, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

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18 changes: 18 additions & 0 deletions samples/client/others/typescript-fetch/self-import-issue/runtime.ts
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -261,20 +261,38 @@ export class ResponseError extends Error {
override name: "ResponseError" = "ResponseError";
constructor(public response: Response, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class FetchError extends Error {
override name: "FetchError" = "FetchError";
constructor(public cause: Error, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class RequiredError extends Error {
override name: "RequiredError" = "RequiredError";
constructor(public field: string, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

Expand Down
18 changes: 18 additions & 0 deletions samples/client/petstore/typescript-fetch/builds/allOf-nullable/runtime.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -261,20 +261,38 @@ export class ResponseError extends Error {
override name: "ResponseError" = "ResponseError";
constructor(public response: Response, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class FetchError extends Error {
override name: "FetchError" = "FetchError";
constructor(public cause: Error, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class RequiredError extends Error {
override name: "RequiredError" = "RequiredError";
constructor(public field: string, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

Expand Down
18 changes: 18 additions & 0 deletions samples/client/petstore/typescript-fetch/builds/allOf-readonly/runtime.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -261,20 +261,38 @@ export class ResponseError extends Error {
override name: "ResponseError" = "ResponseError";
constructor(public response: Response, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class FetchError extends Error {
override name: "FetchError" = "FetchError";
constructor(public cause: Error, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class RequiredError extends Error {
override name: "RequiredError" = "RequiredError";
constructor(public field: string, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

Expand Down
18 changes: 18 additions & 0 deletions samples/client/petstore/typescript-fetch/builds/default-v3.0/runtime.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -261,20 +261,38 @@ export class ResponseError extends Error {
override name: "ResponseError" = "ResponseError";
constructor(public response: Response, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class FetchError extends Error {
override name: "FetchError" = "FetchError";
constructor(public cause: Error, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class RequiredError extends Error {
override name: "RequiredError" = "RequiredError";
constructor(public field: string, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

Expand Down
18 changes: 18 additions & 0 deletions samples/client/petstore/typescript-fetch/builds/default/runtime.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -261,20 +261,38 @@ export class ResponseError extends Error {
override name: "ResponseError" = "ResponseError";
constructor(public response: Response, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class FetchError extends Error {
override name: "FetchError" = "FetchError";
constructor(public cause: Error, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class RequiredError extends Error {
override name: "RequiredError" = "RequiredError";
constructor(public field: string, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

Expand Down
18 changes: 18 additions & 0 deletions samples/client/petstore/typescript-fetch/builds/enum/runtime.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -261,20 +261,38 @@ export class ResponseError extends Error {
override name: "ResponseError" = "ResponseError";
constructor(public response: Response, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class FetchError extends Error {
override name: "FetchError" = "FetchError";
constructor(public cause: Error, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class RequiredError extends Error {
override name: "RequiredError" = "RequiredError";
constructor(public field: string, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

Expand Down
18 changes: 18 additions & 0 deletions samples/client/petstore/typescript-fetch/builds/es6-target/src/runtime.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -261,20 +261,38 @@ export class ResponseError extends Error {
override name: "ResponseError" = "ResponseError";
constructor(public response: Response, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class FetchError extends Error {
override name: "FetchError" = "FetchError";
constructor(public cause: Error, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class RequiredError extends Error {
override name: "RequiredError" = "RequiredError";
constructor(public field: string, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

Expand Down
18 changes: 18 additions & 0 deletions samples/client/petstore/typescript-fetch/builds/multiple-parameters/runtime.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -261,20 +261,38 @@ export class ResponseError extends Error {
override name: "ResponseError" = "ResponseError";
constructor(public response: Response, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class FetchError extends Error {
override name: "FetchError" = "FetchError";
constructor(public cause: Error, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

export class RequiredError extends Error {
override name: "RequiredError" = "RequiredError";
constructor(public field: string, msg?: string) {
super(msg);

// restore prototype chain
const actualProto = new.target.prototype;
if (Object.setPrototypeOf) {
Object.setPrototypeOf(this, actualProto);
}
}
}

Expand Down
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