Merge pull request #116 from microsoftgraph/BatchContent

Batch Content Redesigned Implementation

Author: muthurathinam

lib/graph-js-sdk-core.js

@@ -0,0 +1,127 @@
+/**
+ * @interface
+ * Signature representing BatchRequestStep data
+ * @property {string} id - Unique identity for the request, Should not be an empty string
+ * @property {string[]} [dependsOn] - Array of dependencies
+ * @property {Request} request - The Request object
+ */
+export interface BatchRequestStep {
+    id: string;
+    dependsOn?: string[];
+    request: Request;
+}
+/**
+ * @interface
+ * Signature representing single request in a Batching
+ * @extends RequestInit
+ * @see {@link https://github.com/Microsoft/TypeScript/blob/master/lib/lib.dom.d.ts#L1337} and {@link https://fetch.spec.whatwg.org/#requestinit}
+ *
+ * @property {string} url - The url value of the request
+ */
+export interface RequestData extends RequestInit {
+    url: string;
+}
+/**
+ * @interface
+ * Signature representing batch request data
+ * @property {string} id - Unique identity for the request, Should not be an empty string
+ * @property {string[]} [dependsOn] - Array of dependencies
+ */
+export interface BatchRequestData extends RequestData {
+    id: string;
+    dependsOn?: string[];
+}
+/**
+ * @interface
+ * Signature representing batch request body
+ * @property {BatchRequestData[]} requests - Array of request data, a json representation of requests for batch
+ */
+export interface BatchRequestBody {
+    requests: BatchRequestData[];
+}
+/**
+ * Class for handling BatchRequestContent
+ */
+export declare class BatchRequestContent {
+    /**
+     * @private
+     * @static
+     * Limit for number of requests {@link - https://developer.microsoft.com/en-us/graph/docs/concepts/known_issues#json-batching}
+     */
+    private static requestLimit;
+    /**
+     * To keep track of requests, key will be id of the request and value will be the request json
+     */
+    requests: Map<string, BatchRequestStep>;
+    /**
+     * Constructs a BatchRequestContent instance
+     * @param {BatchRequestStep[]} [requests] - Array of requests value
+     */
+    constructor(requests?: BatchRequestStep[]);
+    /**
+     * Adds a request to the batch request content
+     * @param {BatchRequestStep} request - The request value
+     * @return The id of the added request
+     */
+    addRequest(request: BatchRequestStep): string;
+    /**
+     * Removes request from the batch payload and its dependencies from all dependents
+     * @param {string} requestId - The id of a request that needs to be removed
+     * @return The boolean indicating removed status
+     */
+    removeRequest(requestId: string): boolean;
+    /**
+     * @async
+     * Serialize content from BatchRequestContent instance
+     * @return The body content to make batch request
+     */
+    getContent(): Promise<BatchRequestBody>;
+    /**
+     * @private
+     * @static
+     * Validates the dependency chain of the requests
+     *
+     * Note:
+     * Individual requests can depend on other individual requests. Currently, requests can only depend on a single other request, and must follow one of these three patterns:
+     * 1. Parallel - no individual request states a dependency in the dependsOn property.
+     * 2. Serial - all individual requests depend on the previous individual request.
+     * 3. Same - all individual requests that state a dependency in the dependsOn property, state the same dependency.
+     * As JSON batching matures, these limitations will be removed.
+     * @see {@link https://developer.microsoft.com/en-us/graph/docs/concepts/known_issues#json-batching}
+     *
+     * @return The boolean indicating the validation status
+     */
+    static validateDependencies(requests: Map<string, BatchRequestStep>): boolean;
+    /**
+     * @private
+     * @static
+     * @async
+     * Converts Request Object instance to a JSON
+     * @param {IsomorphicRequest} request - The IsomorphicRequest Object instance
+     * @return A promise that resolves to JSON representation of a request
+     */
+    private static getRequestData;
+    /**
+     * @private
+     * @static
+     * @async
+     * Gets the body of a Request object instance
+     * @param {IsomorphicRequest} request - The IsomorphicRequest object instance
+     * @return The Promise that resolves to a body value of a Request
+     */
+    private static getRequestBody;
+    /**
+     * Adds a dependency for a given dependent request
+     *
+     * @param {string} dependentId - The id of the dependent request
+     * @param {string} [dependencyId] - The id of the dependency request, if not specified the preceding request will be considered as a dependency
+     */
+    addDependency(dependentId: string, dependencyId?: string): void;
+    /**
+     * Removes a dependency for a given dependent request id
+     * @param {string} dependentId - The id of the dependent request
+     * @param {string} [dependencyId] - The id of the dependency request, if not specified will remove all the dependencies of that request
+     * @return The boolean indicating removed status
+     */
+    removeDependency(dependentId: string, dependencyId?: string): boolean;
+}