Initial Sample.

graphql-subscription/node_modules/@apollo/client/link/batch/batch.cjs

@@ -0,0 +1,159 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var tslib = require('tslib');
+var core = require('../core');
+var utilities = require('../../utilities');
+
+var OperationBatcher =  (function () {
+    function OperationBatcher(_a) {
+        var batchDebounce = _a.batchDebounce, batchInterval = _a.batchInterval, batchMax = _a.batchMax, batchHandler = _a.batchHandler, batchKey = _a.batchKey;
+        this.batchesByKey = new Map();
+        this.scheduledBatchTimerByKey = new Map();
+        this.batchDebounce = batchDebounce;
+        this.batchInterval = batchInterval;
+        this.batchMax = batchMax || 0;
+        this.batchHandler = batchHandler;
+        this.batchKey = batchKey || (function () { return ""; });
+    }
+    OperationBatcher.prototype.enqueueRequest = function (request) {
+        var _this = this;
+        var requestCopy = tslib.__assign(tslib.__assign({}, request), { next: [], error: [], complete: [], subscribers: new Set() });
+        var key = this.batchKey(request.operation);
+        if (!requestCopy.observable) {
+            requestCopy.observable = new utilities.Observable(function (observer) {
+                var batch = _this.batchesByKey.get(key);
+                if (!batch)
+                    _this.batchesByKey.set(key, (batch = new Set()));
+                var isFirstEnqueuedRequest = batch.size === 0;
+                var isFirstSubscriber = requestCopy.subscribers.size === 0;
+                requestCopy.subscribers.add(observer);
+                if (isFirstSubscriber) {
+                    batch.add(requestCopy);
+                }
+                if (observer.next) {
+                    requestCopy.next.push(observer.next.bind(observer));
+                }
+                if (observer.error) {
+                    requestCopy.error.push(observer.error.bind(observer));
+                }
+                if (observer.complete) {
+                    requestCopy.complete.push(observer.complete.bind(observer));
+                }
+                if (isFirstEnqueuedRequest || _this.batchDebounce) {
+                    _this.scheduleQueueConsumption(key);
+                }
+                if (batch.size === _this.batchMax) {
+                    _this.consumeQueue(key);
+                }
+                return function () {
+                    var _a;
+                    if (requestCopy.subscribers.delete(observer) &&
+                        requestCopy.subscribers.size < 1) {
+                        if (batch.delete(requestCopy) && batch.size < 1) {
+                            _this.consumeQueue(key);
+                            (_a = batch.subscription) === null || _a === void 0 ? void 0 : _a.unsubscribe();
+                        }
+                    }
+                };
+            });
+        }
+        return requestCopy.observable;
+    };
+    OperationBatcher.prototype.consumeQueue = function (key) {
+        if (key === void 0) { key = ""; }
+        var batch = this.batchesByKey.get(key);
+        this.batchesByKey.delete(key);
+        if (!batch || !batch.size) {
+            return;
+        }
+        var operations = [];
+        var forwards = [];
+        var observables = [];
+        var nexts = [];
+        var errors = [];
+        var completes = [];
+        batch.forEach(function (request) {
+            operations.push(request.operation);
+            forwards.push(request.forward);
+            observables.push(request.observable);
+            nexts.push(request.next);
+            errors.push(request.error);
+            completes.push(request.complete);
+        });
+        var batchedObservable = this.batchHandler(operations, forwards) || utilities.Observable.of();
+        var onError = function (error) {
+            errors.forEach(function (rejecters) {
+                if (rejecters) {
+                    rejecters.forEach(function (e) { return e(error); });
+                }
+            });
+        };
+        batch.subscription = batchedObservable.subscribe({
+            next: function (results) {
+                if (!Array.isArray(results)) {
+                    results = [results];
+                }
+                if (nexts.length !== results.length) {
+                    var error = new Error("server returned results with length ".concat(results.length, ", expected length of ").concat(nexts.length));
+                    error.result = results;
+                    return onError(error);
+                }
+                results.forEach(function (result, index) {
+                    if (nexts[index]) {
+                        nexts[index].forEach(function (next) { return next(result); });
+                    }
+                });
+            },
+            error: onError,
+            complete: function () {
+                completes.forEach(function (complete) {
+                    if (complete) {
+                        complete.forEach(function (c) { return c(); });
+                    }
+                });
+            },
+        });
+        return observables;
+    };
+    OperationBatcher.prototype.scheduleQueueConsumption = function (key) {
+        var _this = this;
+        clearTimeout(this.scheduledBatchTimerByKey.get(key));
+        this.scheduledBatchTimerByKey.set(key, setTimeout(function () {
+            _this.consumeQueue(key);
+            _this.scheduledBatchTimerByKey.delete(key);
+        }, this.batchInterval));
+    };
+    return OperationBatcher;
+}());
+
+var BatchLink =  (function (_super) {
+    tslib.__extends(BatchLink, _super);
+    function BatchLink(fetchParams) {
+        var _this = _super.call(this) || this;
+        var _a = fetchParams || {}, batchDebounce = _a.batchDebounce, _b = _a.batchInterval, batchInterval = _b === void 0 ? 10 : _b, _c = _a.batchMax, batchMax = _c === void 0 ? 0 : _c, _d = _a.batchHandler, batchHandler = _d === void 0 ? function () { return null; } : _d, _e = _a.batchKey, batchKey = _e === void 0 ? function () { return ""; } : _e;
+        _this.batcher = new OperationBatcher({
+            batchDebounce: batchDebounce,
+            batchInterval: batchInterval,
+            batchMax: batchMax,
+            batchHandler: batchHandler,
+            batchKey: batchKey,
+        });
+        if (fetchParams.batchHandler.length <= 1) {
+            _this.request = function (operation) { return _this.batcher.enqueueRequest({ operation: operation }); };
+        }
+        return _this;
+    }
+    BatchLink.prototype.request = function (operation, forward) {
+        return this.batcher.enqueueRequest({
+            operation: operation,
+            forward: forward,
+        });
+    };
+    return BatchLink;
+}(core.ApolloLink));
+
+exports.BatchLink = BatchLink;
+exports.OperationBatcher = OperationBatcher;
+//# sourceMappingURL=batch.cjs.map

graphql-subscription/node_modules/@apollo/client/link/batch/batch.cjs.native.js

@@ -0,0 +1,159 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var tslib = require('tslib');
+var core = require('../core');
+var utilities = require('../../utilities');
+
+var OperationBatcher =  (function () {
+    function OperationBatcher(_a) {
+        var batchDebounce = _a.batchDebounce, batchInterval = _a.batchInterval, batchMax = _a.batchMax, batchHandler = _a.batchHandler, batchKey = _a.batchKey;
+        this.batchesByKey = new Map();
+        this.scheduledBatchTimerByKey = new Map();
+        this.batchDebounce = batchDebounce;
+        this.batchInterval = batchInterval;
+        this.batchMax = batchMax || 0;
+        this.batchHandler = batchHandler;
+        this.batchKey = batchKey || (function () { return ""; });
+    }
+    OperationBatcher.prototype.enqueueRequest = function (request) {
+        var _this = this;
+        var requestCopy = tslib.__assign(tslib.__assign({}, request), { next: [], error: [], complete: [], subscribers: new Set() });
+        var key = this.batchKey(request.operation);
+        if (!requestCopy.observable) {
+            requestCopy.observable = new utilities.Observable(function (observer) {
+                var batch = _this.batchesByKey.get(key);
+                if (!batch)
+                    _this.batchesByKey.set(key, (batch = new Set()));
+                var isFirstEnqueuedRequest = batch.size === 0;
+                var isFirstSubscriber = requestCopy.subscribers.size === 0;
+                requestCopy.subscribers.add(observer);
+                if (isFirstSubscriber) {
+                    batch.add(requestCopy);
+                }
+                if (observer.next) {
+                    requestCopy.next.push(observer.next.bind(observer));
+                }
+                if (observer.error) {
+                    requestCopy.error.push(observer.error.bind(observer));
+                }
+                if (observer.complete) {
+                    requestCopy.complete.push(observer.complete.bind(observer));
+                }
+                if (isFirstEnqueuedRequest || _this.batchDebounce) {
+                    _this.scheduleQueueConsumption(key);
+                }
+                if (batch.size === _this.batchMax) {
+                    _this.consumeQueue(key);
+                }
+                return function () {
+                    var _a;
+                    if (requestCopy.subscribers.delete(observer) &&
+                        requestCopy.subscribers.size < 1) {
+                        if (batch.delete(requestCopy) && batch.size < 1) {
+                            _this.consumeQueue(key);
+                            (_a = batch.subscription) === null || _a === void 0 ? void 0 : _a.unsubscribe();
+                        }
+                    }
+                };
+            });
+        }
+        return requestCopy.observable;
+    };
+    OperationBatcher.prototype.consumeQueue = function (key) {
+        if (key === void 0) { key = ""; }
+        var batch = this.batchesByKey.get(key);
+        this.batchesByKey.delete(key);
+        if (!batch || !batch.size) {
+            return;
+        }
+        var operations = [];
+        var forwards = [];
+        var observables = [];
+        var nexts = [];
+        var errors = [];
+        var completes = [];
+        batch.forEach(function (request) {
+            operations.push(request.operation);
+            forwards.push(request.forward);
+            observables.push(request.observable);
+            nexts.push(request.next);
+            errors.push(request.error);
+            completes.push(request.complete);
+        });
+        var batchedObservable = this.batchHandler(operations, forwards) || utilities.Observable.of();
+        var onError = function (error) {
+            errors.forEach(function (rejecters) {
+                if (rejecters) {
+                    rejecters.forEach(function (e) { return e(error); });
+                }
+            });
+        };
+        batch.subscription = batchedObservable.subscribe({
+            next: function (results) {
+                if (!Array.isArray(results)) {
+                    results = [results];
+                }
+                if (nexts.length !== results.length) {
+                    var error = new Error("server returned results with length ".concat(results.length, ", expected length of ").concat(nexts.length));
+                    error.result = results;
+                    return onError(error);
+                }
+                results.forEach(function (result, index) {
+                    if (nexts[index]) {
+                        nexts[index].forEach(function (next) { return next(result); });
+                    }
+                });
+            },
+            error: onError,
+            complete: function () {
+                completes.forEach(function (complete) {
+                    if (complete) {
+                        complete.forEach(function (c) { return c(); });
+                    }
+                });
+            },
+        });
+        return observables;
+    };
+    OperationBatcher.prototype.scheduleQueueConsumption = function (key) {
+        var _this = this;
+        clearTimeout(this.scheduledBatchTimerByKey.get(key));
+        this.scheduledBatchTimerByKey.set(key, setTimeout(function () {
+            _this.consumeQueue(key);
+            _this.scheduledBatchTimerByKey.delete(key);
+        }, this.batchInterval));
+    };
+    return OperationBatcher;
+}());
+
+var BatchLink =  (function (_super) {
+    tslib.__extends(BatchLink, _super);
+    function BatchLink(fetchParams) {
+        var _this = _super.call(this) || this;
+        var _a = fetchParams || {}, batchDebounce = _a.batchDebounce, _b = _a.batchInterval, batchInterval = _b === void 0 ? 10 : _b, _c = _a.batchMax, batchMax = _c === void 0 ? 0 : _c, _d = _a.batchHandler, batchHandler = _d === void 0 ? function () { return null; } : _d, _e = _a.batchKey, batchKey = _e === void 0 ? function () { return ""; } : _e;
+        _this.batcher = new OperationBatcher({
+            batchDebounce: batchDebounce,
+            batchInterval: batchInterval,
+            batchMax: batchMax,
+            batchHandler: batchHandler,
+            batchKey: batchKey,
+        });
+        if (fetchParams.batchHandler.length <= 1) {
+            _this.request = function (operation) { return _this.batcher.enqueueRequest({ operation: operation }); };
+        }
+        return _this;
+    }
+    BatchLink.prototype.request = function (operation, forward) {
+        return this.batcher.enqueueRequest({
+            operation: operation,
+            forward: forward,
+        });
+    };
+    return BatchLink;
+}(core.ApolloLink));
+
+exports.BatchLink = BatchLink;
+exports.OperationBatcher = OperationBatcher;
+//# sourceMappingURL=batch.cjs.map

graphql-subscription/node_modules/@apollo/client/link/batch/batchLink.d.ts

@@ -0,0 +1,42 @@
+import type { Operation, FetchResult, NextLink } from "../core/index.js";
+import { ApolloLink } from "../core/index.js";
+import type { Observable } from "../../utilities/index.js";
+import type { BatchHandler } from "./batching.js";
+export type { BatchableRequest, BatchHandler } from "./batching.js";
+export { OperationBatcher } from "./batching.js";
+export declare namespace BatchLink {
+    interface Options {
+        /**
+         * The interval at which to batch, in milliseconds.
+         *
+         * Defaults to 10.
+         */
+        batchInterval?: number;
+        /**
+         * "batchInterval" is a throttling behavior by default, if you instead wish
+         * to debounce outbound requests, set "batchDebounce" to true. More useful
+         * for mutations than queries.
+         */
+        batchDebounce?: boolean;
+        /**
+         * The maximum number of operations to include in one fetch.
+         *
+         * Defaults to 0 (infinite operations within the interval).
+         */
+        batchMax?: number;
+        /**
+         * The handler that should execute a batch of operations.
+         */
+        batchHandler?: BatchHandler;
+        /**
+         * creates the key for a batch
+         */
+        batchKey?: (operation: Operation) => string;
+    }
+}
+export declare class BatchLink extends ApolloLink {
+    private batcher;
+    constructor(fetchParams?: BatchLink.Options);
+    request(operation: Operation, forward?: NextLink): Observable<FetchResult> | null;
+}
+//# sourceMappingURL=batchLink.d.ts.map

graphql-subscription/node_modules/@apollo/client/link/batch/batchLink.js

@@ -0,0 +1,32 @@
+import { __extends } from "tslib";
+import { ApolloLink } from "../core/index.js";
+import { OperationBatcher } from "./batching.js";
+export { OperationBatcher } from "./batching.js";
+var BatchLink = /** @class */ (function (_super) {
+    __extends(BatchLink, _super);
+    function BatchLink(fetchParams) {
+        var _this = _super.call(this) || this;
+        var _a = fetchParams || {}, batchDebounce = _a.batchDebounce, _b = _a.batchInterval, batchInterval = _b === void 0 ? 10 : _b, _c = _a.batchMax, batchMax = _c === void 0 ? 0 : _c, _d = _a.batchHandler, batchHandler = _d === void 0 ? function () { return null; } : _d, _e = _a.batchKey, batchKey = _e === void 0 ? function () { return ""; } : _e;
+        _this.batcher = new OperationBatcher({
+            batchDebounce: batchDebounce,
+            batchInterval: batchInterval,
+            batchMax: batchMax,
+            batchHandler: batchHandler,
+            batchKey: batchKey,
+        });
+        //make this link terminating
+        if (fetchParams.batchHandler.length <= 1) {
+            _this.request = function (operation) { return _this.batcher.enqueueRequest({ operation: operation }); };
+        }
+        return _this;
+    }
+    BatchLink.prototype.request = function (operation, forward) {
+        return this.batcher.enqueueRequest({
+            operation: operation,
+            forward: forward,
+        });
+    };
+    return BatchLink;
+}(ApolloLink));
+export { BatchLink };
+//# sourceMappingURL=batchLink.js.map

graphql-subscription/node_modules/@apollo/client/link/batch/batchLink.js.map

@@ -0,0 +1 @@
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graphql-subscription/node_modules/@apollo/client/link/batch/batching.d.ts

@@ -0,0 +1,27 @@
+import type { FetchResult, NextLink, Operation } from "../core/index.js";
+import { Observable } from "../../utilities/index.js";
+export type BatchHandler = (operations: Operation[], forward?: (NextLink | undefined)[]) => Observable<FetchResult[]> | null;
+export interface BatchableRequest {
+    operation: Operation;
+    forward?: NextLink;
+}
+export declare class OperationBatcher {
+    private batchesByKey;
+    private scheduledBatchTimerByKey;
+    private batchDebounce?;
+    private batchInterval?;
+    private batchMax;
+    private batchHandler;
+    private batchKey;
+    constructor({ batchDebounce, batchInterval, batchMax, batchHandler, batchKey, }: {
+        batchDebounce?: boolean;
+        batchInterval?: number;
+        batchMax?: number;
+        batchHandler: BatchHandler;
+        batchKey?: (operation: Operation) => string;
+    });
+    enqueueRequest(request: BatchableRequest): Observable<FetchResult>;
+    consumeQueue(key?: string): (Observable<FetchResult> | undefined)[] | undefined;
+    private scheduleQueueConsumption;
+}
+//# sourceMappingURL=batching.d.ts.map

graphql-subscription/node_modules/@apollo/client/link/batch/batching.js

@@ -0,0 +1,148 @@
+import { __assign } from "tslib";
+import { Observable } from "../../utilities/index.js";
+// QueryBatcher doesn't fire requests immediately. Requests that were enqueued within
+// a certain amount of time (configurable through `batchInterval`) will be batched together
+// into one query.
+var OperationBatcher = /** @class */ (function () {
+    function OperationBatcher(_a) {
+        var batchDebounce = _a.batchDebounce, batchInterval = _a.batchInterval, batchMax = _a.batchMax, batchHandler = _a.batchHandler, batchKey = _a.batchKey;
+        // Queue on which the QueryBatcher will operate on a per-tick basis.
+        this.batchesByKey = new Map();
+        this.scheduledBatchTimerByKey = new Map();
+        this.batchDebounce = batchDebounce;
+        this.batchInterval = batchInterval;
+        this.batchMax = batchMax || 0;
+        this.batchHandler = batchHandler;
+        this.batchKey = batchKey || (function () { return ""; });
+    }
+    OperationBatcher.prototype.enqueueRequest = function (request) {
+        var _this = this;
+        var requestCopy = __assign(__assign({}, request), { next: [], error: [], complete: [], subscribers: new Set() });
+        var key = this.batchKey(request.operation);
+        if (!requestCopy.observable) {
+            requestCopy.observable = new Observable(function (observer) {
+                var batch = _this.batchesByKey.get(key);
+                if (!batch)
+                    _this.batchesByKey.set(key, (batch = new Set()));
+                // These booleans seem to me (@benjamn) like they might always be the
+                // same (and thus we could do with only one of them), but I'm not 100%
+                // sure about that.
+                var isFirstEnqueuedRequest = batch.size === 0;
+                var isFirstSubscriber = requestCopy.subscribers.size === 0;
+                requestCopy.subscribers.add(observer);
+                if (isFirstSubscriber) {
+                    batch.add(requestCopy);
+                }
+                // called for each subscriber, so need to save all listeners (next, error, complete)
+                if (observer.next) {
+                    requestCopy.next.push(observer.next.bind(observer));
+                }
+                if (observer.error) {
+                    requestCopy.error.push(observer.error.bind(observer));
+                }
+                if (observer.complete) {
+                    requestCopy.complete.push(observer.complete.bind(observer));
+                }
+                // The first enqueued request triggers the queue consumption after `batchInterval` milliseconds.
+                if (isFirstEnqueuedRequest || _this.batchDebounce) {
+                    _this.scheduleQueueConsumption(key);
+                }
+                // When amount of requests reaches `batchMax`, trigger the queue consumption without waiting on the `batchInterval`.
+                if (batch.size === _this.batchMax) {
+                    _this.consumeQueue(key);
+                }
+                return function () {
+                    var _a;
+                    // If this is last subscriber for this request, remove request from queue
+                    if (requestCopy.subscribers.delete(observer) &&
+                        requestCopy.subscribers.size < 1) {
+                        // If this is last request from queue, remove queue entirely
+                        if (batch.delete(requestCopy) && batch.size < 1) {
+                            _this.consumeQueue(key);
+                            // If queue was in flight, cancel it
+                            (_a = batch.subscription) === null || _a === void 0 ? void 0 : _a.unsubscribe();
+                        }
+                    }
+                };
+            });
+        }
+        return requestCopy.observable;
+    };
+    // Consumes the queue.
+    // Returns a list of promises (one for each query).
+    OperationBatcher.prototype.consumeQueue = function (key) {
+        if (key === void 0) { key = ""; }
+        var batch = this.batchesByKey.get(key);
+        // Delete this batch and process it below.
+        this.batchesByKey.delete(key);
+        if (!batch || !batch.size) {
+            // No requests to be processed.
+            return;
+        }
+        var operations = [];
+        var forwards = [];
+        var observables = [];
+        var nexts = [];
+        var errors = [];
+        var completes = [];
+        // Even though batch is a Set, it preserves the order of first insertion
+        // when iterating (per ECMAScript specification), so these requests will be
+        // handled in the order they were enqueued (minus any deleted ones).
+        batch.forEach(function (request) {
+            operations.push(request.operation);
+            forwards.push(request.forward);
+            observables.push(request.observable);
+            nexts.push(request.next);
+            errors.push(request.error);
+            completes.push(request.complete);
+        });
+        var batchedObservable = this.batchHandler(operations, forwards) || Observable.of();
+        var onError = function (error) {
+            //each callback list in batch
+            errors.forEach(function (rejecters) {
+                if (rejecters) {
+                    //each subscriber to request
+                    rejecters.forEach(function (e) { return e(error); });
+                }
+            });
+        };
+        batch.subscription = batchedObservable.subscribe({
+            next: function (results) {
+                if (!Array.isArray(results)) {
+                    results = [results];
+                }
+                if (nexts.length !== results.length) {
+                    var error = new Error("server returned results with length ".concat(results.length, ", expected length of ").concat(nexts.length));
+                    error.result = results;
+                    return onError(error);
+                }
+                results.forEach(function (result, index) {
+                    if (nexts[index]) {
+                        nexts[index].forEach(function (next) { return next(result); });
+                    }
+                });
+            },
+            error: onError,
+            complete: function () {
+                completes.forEach(function (complete) {
+                    if (complete) {
+                        //each subscriber to request
+                        complete.forEach(function (c) { return c(); });
+                    }
+                });
+            },
+        });
+        return observables;
+    };
+    OperationBatcher.prototype.scheduleQueueConsumption = function (key) {
+        var _this = this;
+        clearTimeout(this.scheduledBatchTimerByKey.get(key));
+        this.scheduledBatchTimerByKey.set(key, setTimeout(function () {
+            _this.consumeQueue(key);
+            _this.scheduledBatchTimerByKey.delete(key);
+        }, this.batchInterval));
+    };
+    return OperationBatcher;
+}());
+export { OperationBatcher };
+//# sourceMappingURL=batching.js.map

graphql-subscription/node_modules/@apollo/client/link/batch/index.d.ts

@@ -0,0 +1,2 @@
+export * from "./batchLink.js";
+//# sourceMappingURL=index.d.ts.map

graphql-subscription/node_modules/@apollo/client/link/batch/index.js

@@ -0,0 +1,2 @@
+export * from "./batchLink.js";
+//# sourceMappingURL=index.js.map

graphql-subscription/node_modules/@apollo/client/link/batch/index.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../../src/link/batch/index.ts"],"names":[],"mappings":"AAAA,cAAc,gBAAgB,CAAC","sourcesContent":["export * from \"./batchLink.js\";\n"]}

graphql-subscription/node_modules/@apollo/client/link/batch/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@apollo/client/link/batch",
+  "type": "module",
+  "main": "batch.cjs",
+  "module": "index.js",
+  "types": "index.d.ts",
+  "sideEffects": false
+}