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Make the default type of response data never #3002

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merged 2 commits into from Sep 5, 2021
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22 changes: 11 additions & 11 deletions index.d.ts
Expand Up @@ -80,7 +80,7 @@ export interface AxiosRequestConfig<T = any> {
transitional?: TransitionalOptions
}

export interface AxiosResponse<T = any> {
export interface AxiosResponse<T = never> {
data: T;
status: number;
statusText: string;
Expand All @@ -89,7 +89,7 @@ export interface AxiosResponse<T = any> {
request?: any;
}

export interface AxiosError<T = any> extends Error {
export interface AxiosError<T = never> extends Error {
config: AxiosRequestConfig;
code?: string;
request?: any;
Expand All @@ -98,7 +98,7 @@ export interface AxiosError<T = any> extends Error {
toJSON: () => object;
}

export interface AxiosPromise<T = any> extends Promise<AxiosResponse<T>> {
export interface AxiosPromise<T = never> extends Promise<AxiosResponse<T>> {
}

export interface CancelStatic {
Expand Down Expand Up @@ -142,14 +142,14 @@ export class Axios {
response: AxiosInterceptorManager<AxiosResponse>;
};
getUri(config?: AxiosRequestConfig): string;
request<T = any, R = AxiosResponse<T>> (config: AxiosRequestConfig<T>): Promise<R>;
get<T = any, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig<T>): Promise<R>;
delete<T = any, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig<T>): Promise<R>;
head<T = any, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig<T>): Promise<R>;
options<T = any, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig<T>): Promise<R>;
post<T = any, R = AxiosResponse<T>>(url: string, data?: T, config?: AxiosRequestConfig<T>): Promise<R>;
put<T = any, R = AxiosResponse<T>>(url: string, data?: T, config?: AxiosRequestConfig<T>): Promise<R>;
patch<T = any, R = AxiosResponse<T>>(url: string, data?: T, config?: AxiosRequestConfig<T>): Promise<R>;
request<T = never, R = AxiosResponse<T>> (config: AxiosRequestConfig<T>): Promise<R>;
get<T = never, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig<T>): Promise<R>;
delete<T = never, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig<T>): Promise<R>;
head<T = never, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig<T>): Promise<R>;
options<T = never, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig<T>): Promise<R>;
post<T = never, R = AxiosResponse<T>>(url: string, data?: T, config?: AxiosRequestConfig<T>): Promise<R>;
put<T = never, R = AxiosResponse<T>>(url: string, data?: T, config?: AxiosRequestConfig<T>): Promise<R>;
patch<T = never, R = AxiosResponse<T>>(url: string, data?: T, config?: AxiosRequestConfig<T>): Promise<R>;
}

export interface AxiosInstance extends Axios {
Expand Down
2 changes: 1 addition & 1 deletion test/typescript/axios.ts
Expand Up @@ -296,7 +296,7 @@ axios.interceptors.response.use((response: AxiosResponse) => Promise.resolve(res
// Adapters

const adapter: AxiosAdapter = (config: AxiosRequestConfig) => {
const response: AxiosResponse = {
const response: AxiosResponse<any> = {
data: { foo: 'bar' },
status: 200,
statusText: 'OK',
Expand Down