Axios index.d.ts 文件分析
看起来是一个规范文件,约束了 axios 的所有 api,这里就看几个常规的
AxiosRequestConfig
export interface AxiosRequestConfig {
url?: string;
method?: Method;
baseURL?: string;
transformRequest?: AxiosTransformer | AxiosTransformer[];
transformResponse?: AxiosTransformer | AxiosTransformer[];
headers?: any;
params?: any;
paramsSerializer?: (params: any) => string;
data?: any;
timeout?: number;
timeoutErrorMessage?: string;
withCredentials?: boolean;
adapter?: AxiosAdapter;
auth?: AxiosBasicCredentials;
responseType?: ResponseType;
xsrfCookieName?: string;
xsrfHeaderName?: string;
onUploadProgress?: (progressEvent: any) => void;
onDownloadProgress?: (progressEvent: any) => void;
maxContentLength?: number;
validateStatus?: (status: number) => boolean;
maxRedirects?: number;
socketPath?: string | null;
httpAgent?: any;
httpsAgent?: any;
proxy?: AxiosProxyConfig | false;
cancelToken?: CancelToken;
}
这个就是 axios 的请求配置参数约束,常用的几个就是:
url
:请求的路径method
: 请求的方法(get
、post
、put
,delete
)headers
:请求头(推荐不自定义)params
:路径参数data
:post
参数responseType
:响应数据类型onUploadProgress
:上传进度cancelToken
:取消传输token
AxiosResponse
export interface AxiosResponse<T = any> {
data: T;
status: number;
statusText: string;
headers: any;
config: AxiosRequestConfig;
request?: any;
}
这个是 Axios
响应对象的约束,可以清晰的看到它返回了一个标准的 http
相应对象:
data
:响应数据status
:状态码statusText
:状态文本headers
:响应头config
:配置request
:请求体
AxiosInstance
export interface AxiosInstance {
(config: AxiosRequestConfig): AxiosPromise;
(url: string, config?: AxiosRequestConfig): AxiosPromise;
defaults: AxiosRequestConfig;
interceptors: {
request: AxiosInterceptorManager<AxiosRequestConfig>;
response: AxiosInterceptorManager<AxiosResponse>;
};
getUri(config?: AxiosRequestConfig): string;
request<T = any, R = AxiosResponse<T>> (config: AxiosRequestConfig): Promise<R>;
get<T = any, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig): Promise<R>;
delete<T = any, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig): Promise<R>;
head<T = any, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig): Promise<R>;
options<T = any, R = AxiosResponse<T>>(url: string, config?: AxiosRequestConfig): Promise<R>;
post<T = any, R = AxiosResponse<T>>(url: string, data?: any, config?: AxiosRequestConfig): Promise<R>;
put<T = any, R = AxiosResponse<T>>(url: string, data?: any, config?: AxiosRequestConfig): Promise<R>;
patch<T = any, R = AxiosResponse<T>>(url: string, data?: any, config?: AxiosRequestConfig): Promise<R>;
}
这个就是 axios 本 axios 了,约束了 axios 对象属性
提供了各种方法:
get
:发送get
请求post
:发送post
请求config
:请求配置getUri
:获取资源路径
AxiosError
export interface AxiosError<T = any> extends Error {
config: AxiosRequestConfig;
code?: string;
request?: any;
response?: AxiosResponse<T>;
isAxiosError: boolean;
toJSON: () => object;
}
这个是 axios 的错误对象
他有自带一个 toJSON 方法可以将错误对象转成 json
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