doc(sdk) add TSDoc comments to public API

src/index.ts

@@ -51,6 +51,30 @@ export class MtLinkSdk {
     mode: 'production'
   };
 
+  /**
+   * Call `init` to initialize the SDK and set default options for API calls.
+   *
+   * Some LINK APIs can be used without calling `init`.
+   * Calls related to OAuth require a client id which can only be set via the `init` function.
+   * These APIs include:
+   * - {@link authorize}
+   * - {@link onboard}
+   * - {@link exchangeToken}
+   * - {@link tokenInfo}
+   *
+   * @example
+   * ```js
+   * mtLinkSdk.init(client_id, options);
+   * ```
+   * @param clientId - OAuth `clientId` of the app (please request this from your Moneytree representative if you need one).
+   *                  <br />⚠️ This function will throw an error if this parameter isn't provided.
+   * @param options - Optional parameters for the SDK.
+   *                  These options include all of the values below and also all `options` parameters of the other APIs.
+   *                  <br />Options values passed here during initialization will be used by default if no options are
+   *                  passed when calling a specific API.
+   *                  <br />Available options are documented under {@link AuthorizeOptions} and {@link ConfigsOptions}
+   *                  refer to each individual link for more details.
+   */
   public init(clientId: string, options: InitOptions = {}): void {
     if (!clientId) {
       throw new Error('[mt-link-sdk] Missing parameter `client_id` in `init`.');
@@ -66,37 +90,129 @@ export class MtLinkSdk {
       mode: validModes.indexOf(mode) === -1 ? 'production' : mode
     };
   }
-
+  /**
+   * Use this method to send a guest identifier to Moneytree so that Moneytree can forward it as `saml_subject_id` parameter
+   * to the Identity Provider (IdP) via the SAMLRequest during SAML SSO flows. See the [SAML SSO documentation for details](https://docs.link.getmoneytree.com/docs/saml-introduction#saml-subject-identifier).
+   *
+   * This parameter can be set during {@link init} or changed on a request-by-request basis with this method.
+   * The `saml_subject_id` parameter will be forwarded to the `authorize`, `logout` and `open-service` methods when defined.
+   */
   public setSamlSubjectId(value: string): void {
     this.storedOptions.samlSubjectId = value;
   }
 
+  /**
+   * OAuth authorization method to request guest consent to access data via the [Link API](https://getmoneytree.com/jp/link/about).
+   *
+   * The only supported flow is authorization code grant with PKCE [PKCE](https://auth0.com/docs/flows/concepts/auth-code-pkce)
+   * If the user is not logged in yet this will show the login screen and redirect the guest to the consent screen after they log in.
+   * After the guest consents, they will be redirected to the redirect URI with an authorization code.
+   * If the user is already logged and has granted consent in the redirection happens immediately.
+   *
+   * You can pass the {@link AuthorizeOptions.forceLogout} option to force the guest to log in, even if they have an active session.
+   *
+   * You can also choose to display the sign up form when the user is not logged in yet by setting the {@link AuthorizeOptions.authAction} option.
+   *
+   * @remark
+   * You must initialize the SDK via the {@link init} before calling this API.
+   *
+   * @example
+   * ```javascript
+   * mtLinkSdk.authorize(options);
+   * ```
+   */
   public authorize(options?: AuthorizeOptions): void {
     authorize(this.storedOptions, options);
   }
 
+  /**
+   * This method generates an URL for OAuth authorization that requires guest consent to access data via [Link API](https://getmoneytree.com/jp/link/about).
+   *
+   * See {@link authorize} API for authorization details. This API has exactly the same parameters as {@link authorize},
+   * the only difference is that it returns an URL instead of opening immediately with `window.open`.
+   */
   public authorizeUrl(options?: AuthorizeUrlOptions): string {
     return authorizeUrl(this.storedOptions, options);
   }
 
+  /**
+   * The onboard API allows a new guest to get onboard faster without having to go through the registration process.
+   * All you have to do is provide an emai address and pass the same options parameter as the {@link authorize} function.
+   * We will display a consent screen explaining the access requests and applicable scopes.
+   * Once the guest consents, a new Moneytree account will be created on their behalf and authorization is completed.
+   * Resulting behavior will be the same as the {@link authorize} redirection flow.
+   *
+   * Onboard will force any current guest session to logout, hence you do not have to call {@link logout} manually to
+   * ensure a clean state.
+   *
+   * If an account with this email address already exists we will redirect the guest to the login screen.
+   *
+   * @remark
+   * ⚠️ You must initialize the SDK via the {@link init} before calling this API.
+   *
+   * ⚠️ For legal reasons, you have to set up your app's terms and conditions URL to use the onboard API.
+   * Please ask your Moneytree representative for more details.
+   *
+   * @throws If the `email` property is not set (via {@link init} or in the `options` parameter of this function).
+   */
   public onboard(options?: OnboardOptions): void {
     onboard(this.storedOptions, options);
   }
 
+  /**
+   * This method generates a URL for guest onboarding.
+   *
+   * This API has exactly the same parameters as {@link onboard}, the only difference being that it returns an URL
+   * instead of opening immediately with `window.open`.
+   */
   public onboardUrl(options?: OnboardUrlOptions): string {
     return onboardUrl(this.storedOptions, options);
   }
 
+  /**
+   * Logout current user from Moneytree.
+   */
   public logout(options?: LogoutOptions): void {
     logout(this.storedOptions, options);
   }
 
+  /**
+   * This method generates a URL to log out the guest.
+   *
+   * This API has exactly the same parameters as {@link logout}, the only difference being that it returns an URL
+   * instead of opening immediately with `window.open`.
+   */
   public logoutUrl(options?: LogoutUrlOptions): string {
     return logoutUrl(this.storedOptions, options);
   }
 
+  /**
+   * This is a method to open various services provided by Moneytree such as Moneytree account settings, Vault etc.
+   *
+   * Pass `serviceId: 'link-kit'` to open the LINK Kit service.
+   *
+   * @remark ⚠️ calling this API before calling {@link init} will open the services view without branding (company logo etc.)
+   */
   public openService(serviceId: 'link-kit', options?: LinkKitOpenServiceOptions): void;
+  /**
+   * Pass `serviceId: 'myaccount'` to open the MyAccount service.
+   *
+   * Open different MyAccount sub-pages by passing the {@link MyAccountServiceTypes} for all possible options.
+   *
+   * @remark ⚠️ calling this API before calling {@link init} will open the services view without branding (company logo etc.)
+   */
   public openService(serviceId: 'myaccount', options?: MyAccountOpenServiceOptions): void;
+  /**
+   * Pass `serviceId: 'vault'` to open the Vault service.
+   *
+   * Depending on the Vault sub-page you want to open, you can pass the following options:
+   * - `serviceList`: opens the vault service list page, pass {@link VaultOpenServiceViewServiceList} as options.
+   * - `serviceConnection`: opens the vault service connection page, pass {@link VaultOpenServiceViewServiceConnection} as options.
+   * - `connectionSetting`: opens the vault connection setting page, pass {@link VaultOpenServiceViewConnectionSetting} as options.
+   * - `customerSupport`: opens the vault customer support page, pass {@link VaultOpenServiceViewCustomerSupport} as options.
+   *
+   * @remark ⚠️ calling this API before calling {@link init} will open the services view without branding (company logo etc.)
+   */
   public openService(serviceId: 'vault', options?: ConfigsOptions): void;
   public openService(serviceId: 'vault', options?: VaultOpenServiceViewServiceList): void;
   public openService(serviceId: 'vault', options?: VaultOpenServiceViewServiceConnection): void;
@@ -118,6 +234,12 @@ export class MtLinkSdk {
     }
   }
 
+  /**
+   * This method can generate URLs for various services provided by Moneytree, such as Moneytree Account Settings and Vault.
+   *
+   * This API has exactly the same parameters as {@link openService}, the only difference being that it returns an URL
+   * instead of opening immediately with `window.open`.
+   */
   public openServiceUrl(serviceId: 'link-kit', options?: LinkKitOpenServiceUrlOptions): string;
   public openServiceUrl(serviceId: 'myaccount', options?: MyAccountOpenServiceUrlOptions): string;
   public openServiceUrl(serviceId: 'vault', options?: ConfigsOptionsWithoutIsNewTab): string;
@@ -138,14 +260,49 @@ export class MtLinkSdk {
     }
   }
 
+  /**
+   * Request for a password-less login link to be sent to the guest's email address.
+   *
+   * Clicking on the link in the email will log a guest in directly to the screen specified by the
+   * {@link RequestLoginLinkOptions.loginLinkTo} parameter.
+   */
   public requestLoginLink(options?: RequestLoginLinkOptions): Promise<void> {
     return requestLoginLink(this.storedOptions, options);
   }
 
+  /**
+   * Use this function to exchange an authorization `code` for a token.
+   *
+   * You can optionally pass `code` via options parameter, otherwise it will automatically extract the `code` URL
+   * parameter of the current URL.
+   *
+   * The `code` can be used only once. The SDK does not store it internally, you have to store it in your application.
+   *
+   * One way to use this API is by calling it on your redirection page. For example, if `authorize` redirects to
+   * `https://yourapp.com/callback?code=somecode`, you can call this function in the script loaded on that redirection
+   * page and the client library will automatically extract the code to exchange for a token.
+   *
+   * Alternatively, you can extract the `code` manually from the redirect URL and pass it to this function via the
+   * options object yourself.
+   *
+   * If you passed a {@link AuthorizeOptions.codeChallenge} option during the {@link authorize} or {@link onboard}
+   * call and wish to exchange the token on the client side application, make sure to set the code verifier used to
+   * generate the said `codeChallenge` here.
+   *
+   * @see [here](https://www.oauth.com/oauth2-servers/pkce/authorization-code-exchange/) for more details.
+   *
+   * @throws If the {@link ExchangeTokenOptions.code} is not set and the SDK fails to extract it from browser URL.
+   * @throws If the {@link ExchangeTokenOptions.redirectUri} is not set and it is not set via {@link init}.
+   */
   public exchangeToken(options?: ExchangeTokenOptions): Promise<Token> {
     return exchangeToken(this.storedOptions, options);
   }
 
+  /**
+   * Validate a token and get information about the user or resource server.
+
+   * @throws if the token is expired.
+   */
   public tokenInfo(token: string): Promise<TokenInfo> {
     return tokenInfo(this.storedOptions, token);
   }