Which frontend SDK do you use?

supertokens-web-js / mobile

supertokens-auth-react

Overriding APIs

Main interface

interface APIInterface {    /*     * Called before sign up to know if a user is already created for the given email address    *     * @method: GET    *     * @params: set it to undefined to disable the API.    *          email    *          options: see APIOptions below    *     * @returns: "OK" and boolean value true if email already exists else false    */    emailExistsGET:        | undefined        | ((input: {              email: string;              options: APIOptions;          }) => Promise<{              status: "OK";              exists: boolean;          }>);
    /*     * Called when a password reset token needs to be generated for the user.    * The default implementation calls the recipe function `createAndSendCustomEmail`    * to send the the reset token mail.    *     * @method: POST    *     * @params: set it to undefined to disable the API.    *          formFields will have email    *          options: see APIOptions below    *     * @returns: "OK": on successfully generating the password reset token    */    generatePasswordResetTokenPOST:        | undefined        | ((input: {              formFields: {                  id: string;                  value: string;              }[];              options: APIOptions;          }) => Promise<{              status: "OK";          }>);
    /*     * Called to verify the password reset token and update the password    * of the user    *     * @method: POST    *     * @params: set it to undefined to disable the API.    *          formFields will have the new updated password    *          token is the password reset token    *          options: see APIOptions below    *     * @returns: "OK": on successfully verifying reset token and updating user's password    *           "RESET_PASSWORD_INVALID_TOKEN_ERROR": if password reset token is invalid    */    passwordResetPOST:        | undefined        | ((input: {              formFields: {                  id: string;                  value: string;              }[];              token: string;              options: APIOptions;          }) => Promise<{              status: "OK" | "RESET_PASSWORD_INVALID_TOKEN_ERROR";          }>);
    /*     * The API will take email and password the verify that the user exists and    * returns the user object.    *     * @method: POST    *     * @params: set it to undefined to disable the API.    *          formFields will have the email and the password    *          options: see APIOptions below    *     * @returns: "OK" and user object: on successfully verifying email and password    *           "WRONG_CREDENTIALS_ERROR": if password is invalid or no account info found for the given email    */    signInPOST:        | undefined        | ((input: {              formFields: {                  id: string;                  value: string;              }[];              options: APIOptions;          }) => Promise<              | {                    status: "OK";                    user: User;                }              | {                    status: "WRONG_CREDENTIALS_ERROR";                }          >);
    /*     * Called to sign-up a new user.    *     * @method: POST    *     * @params: set it to undefined to disable the API.    *          formFields will have the email and the password    *          options: see APIOptions below    *     * @returns: "OK" and user object: on successfully signing up the user    *           "EMAIL_ALREADY_EXISTS_ERROR": if a user account already exists for the given email    */    signUpPOST:        | undefined        | ((input: {              formFields: {                  id: string;                  value: string;              }[];              options: APIOptions;          }) => Promise<              | {                    status: "OK";                    user: User;                }              | {                    status: "EMAIL_ALREADY_EXISTS_ERROR";                }          >);}

Supporting Types

• Express
• Hapi
• Fastify
• Koa
• Loopback
• AWS Lambda / Netlify
• Next.js
• NestJS

interface BaseRequest {    original: Express.Request;    getKeyValueFromQuery: (key: string) => Promise<string | undefined>;    getJSONBody: () => Promise<any>;    getMethod: () => HTTPMethod;    getCookieValue: (key_: string) => string | undefined;    getHeaderValue: (key: string) => string | undefined;    getOriginalURL: () => string;}
interface BaseResponse {    original: Express.Response;    setHeader: (key: string, value: string, allowDuplicateKey: boolean) => void;    setCookie: (        key: string,        value: string,        domain: string | undefined,        secure: boolean,        httpOnly: boolean,        expires: number,        path: string,        sameSite: "strict" | "lax" | "none"    ) => void;    setStatusCode: (statusCode: number) => void;    sendJSONResponse: (content: any) => void;}

interface APIOptions {    recipeImplementation: RecipeInterface;    config: TypeNormalisedInput;    recipeId: string;    isInServerlessEnv: boolean;    req: Request;    res: Response;    next: NextFunction;}
interface User {    id: string;    email: string;    timeJoined: number;};