Odoo GraphQL Subscription using Node, Express JS for Sample
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import { __assign } from "tslib";
import { equal } from "@wry/equality";
import { createFulfilledPromise, createRejectedPromise, } from "../../../utilities/index.js";
import { wrapPromiseWithState } from "../../../utilities/index.js";
var QUERY_REFERENCE_SYMBOL = Symbol();
var PROMISE_SYMBOL = Symbol();
export function wrapQueryRef(internalQueryRef) {
var _a;
var ref = (_a = {
toPromise: function () {
// We avoid resolving this promise with the query data because we want to
// discourage using the server data directly from the queryRef. Instead,
// the data should be accessed through `useReadQuery`. When the server
// data is needed, its better to use `client.query()` directly.
//
// Here we resolve with the ref itself to make using this in React Router
// or TanStack Router `loader` functions a bit more ergonomic e.g.
//
// function loader() {
// return { queryRef: await preloadQuery(query).toPromise() }
// }
return getWrappedPromise(ref).then(function () { return ref; });
}
},
_a[QUERY_REFERENCE_SYMBOL] = internalQueryRef,
_a[PROMISE_SYMBOL] = internalQueryRef.promise,
_a);
return ref;
}
export function getWrappedPromise(queryRef) {
var internalQueryRef = unwrapQueryRef(queryRef);
return internalQueryRef.promise.status === "fulfilled" ?
internalQueryRef.promise
: queryRef[PROMISE_SYMBOL];
}
export function unwrapQueryRef(queryRef) {
return queryRef[QUERY_REFERENCE_SYMBOL];
}
export function updateWrappedQueryRef(queryRef, promise) {
queryRef[PROMISE_SYMBOL] = promise;
}
var OBSERVED_CHANGED_OPTIONS = [
"canonizeResults",
"context",
"errorPolicy",
"fetchPolicy",
"refetchWritePolicy",
"returnPartialData",
];
var InternalQueryReference = /** @class */ (function () {
function InternalQueryReference(observable, options) {
var _this = this;
this.key = {};
this.listeners = new Set();
this.references = 0;
this.handleNext = this.handleNext.bind(this);
this.handleError = this.handleError.bind(this);
this.dispose = this.dispose.bind(this);
this.observable = observable;
if (options.onDispose) {
this.onDispose = options.onDispose;
}
this.setResult();
this.subscribeToQuery();
// Start a timer that will automatically dispose of the query if the
// suspended resource does not use this queryRef in the given time. This
// helps prevent memory leaks when a component has unmounted before the
// query has finished loading.
var startDisposeTimer = function () {
var _a;
if (!_this.references) {
_this.autoDisposeTimeoutId = setTimeout(_this.dispose, (_a = options.autoDisposeTimeoutMs) !== null && _a !== void 0 ? _a : 30000);
}
};
// We wait until the request has settled to ensure we don't dispose of the
// query ref before the request finishes, otherwise we would leave the
// promise in a pending state rendering the suspense boundary indefinitely.
this.promise.then(startDisposeTimer, startDisposeTimer);
}
Object.defineProperty(InternalQueryReference.prototype, "disposed", {
get: function () {
return this.subscription.closed;
},
enumerable: false,
configurable: true
});
Object.defineProperty(InternalQueryReference.prototype, "watchQueryOptions", {
get: function () {
return this.observable.options;
},
enumerable: false,
configurable: true
});
InternalQueryReference.prototype.reinitialize = function () {
var observable = this.observable;
var originalFetchPolicy = this.watchQueryOptions.fetchPolicy;
try {
if (originalFetchPolicy !== "no-cache") {
observable.resetLastResults();
observable.silentSetOptions({ fetchPolicy: "cache-first" });
}
else {
observable.silentSetOptions({ fetchPolicy: "standby" });
}
this.subscribeToQuery();
if (originalFetchPolicy === "no-cache") {
return;
}
observable.resetDiff();
this.setResult();
}
finally {
observable.silentSetOptions({ fetchPolicy: originalFetchPolicy });
}
};
InternalQueryReference.prototype.retain = function () {
var _this = this;
this.references++;
clearTimeout(this.autoDisposeTimeoutId);
var disposed = false;
return function () {
if (disposed) {
return;
}
disposed = true;
_this.references--;
// Wait before fully disposing in case the app is running in strict mode.
setTimeout(function () {
if (!_this.references) {
_this.dispose();
}
});
};
};
InternalQueryReference.prototype.didChangeOptions = function (watchQueryOptions) {
var _this = this;
return OBSERVED_CHANGED_OPTIONS.some(function (option) {
return !equal(_this.watchQueryOptions[option], watchQueryOptions[option]);
});
};
InternalQueryReference.prototype.applyOptions = function (watchQueryOptions) {
var _a = this.watchQueryOptions, currentFetchPolicy = _a.fetchPolicy, currentCanonizeResults = _a.canonizeResults;
// "standby" is used when `skip` is set to `true`. Detect when we've
// enabled the query (i.e. `skip` is `false`) to execute a network request.
if (currentFetchPolicy === "standby" &&
currentFetchPolicy !== watchQueryOptions.fetchPolicy) {
this.initiateFetch(this.observable.reobserve(watchQueryOptions));
}
else {
this.observable.silentSetOptions(watchQueryOptions);
if (currentCanonizeResults !== watchQueryOptions.canonizeResults) {
this.result = __assign(__assign({}, this.result), this.observable.getCurrentResult());
this.promise = createFulfilledPromise(this.result);
}
}
return this.promise;
};
InternalQueryReference.prototype.listen = function (listener) {
var _this = this;
this.listeners.add(listener);
return function () {
_this.listeners.delete(listener);
};
};
InternalQueryReference.prototype.refetch = function (variables) {
return this.initiateFetch(this.observable.refetch(variables));
};
InternalQueryReference.prototype.fetchMore = function (options) {
return this.initiateFetch(this.observable.fetchMore(options));
};
InternalQueryReference.prototype.dispose = function () {
this.subscription.unsubscribe();
this.onDispose();
};
InternalQueryReference.prototype.onDispose = function () {
// noop. overridable by options
};
InternalQueryReference.prototype.handleNext = function (result) {
var _a;
switch (this.promise.status) {
case "pending": {
// Maintain the last successful `data` value if the next result does not
// have one.
if (result.data === void 0) {
result.data = this.result.data;
}
this.result = result;
(_a = this.resolve) === null || _a === void 0 ? void 0 : _a.call(this, result);
break;
}
default: {
// This occurs when switching to a result that is fully cached when this
// class is instantiated. ObservableQuery will run reobserve when
// subscribing, which delivers a result from the cache.
if (result.data === this.result.data &&
result.networkStatus === this.result.networkStatus) {
return;
}
// Maintain the last successful `data` value if the next result does not
// have one.
if (result.data === void 0) {
result.data = this.result.data;
}
this.result = result;
this.promise = createFulfilledPromise(result);
this.deliver(this.promise);
break;
}
}
};
InternalQueryReference.prototype.handleError = function (error) {
var _a;
this.subscription.unsubscribe();
this.subscription = this.observable.resubscribeAfterError(this.handleNext, this.handleError);
switch (this.promise.status) {
case "pending": {
(_a = this.reject) === null || _a === void 0 ? void 0 : _a.call(this, error);
break;
}
default: {
this.promise = createRejectedPromise(error);
this.deliver(this.promise);
}
}
};
InternalQueryReference.prototype.deliver = function (promise) {
this.listeners.forEach(function (listener) { return listener(promise); });
};
InternalQueryReference.prototype.initiateFetch = function (returnedPromise) {
var _this = this;
this.promise = this.createPendingPromise();
this.promise.catch(function () { });
// If the data returned from the fetch is deeply equal to the data already
// in the cache, `handleNext` will not be triggered leaving the promise we
// created in a pending state forever. To avoid this situtation, we attempt
// to resolve the promise if `handleNext` hasn't been run to ensure the
// promise is resolved correctly.
returnedPromise
.then(function (result) {
var _a;
if (_this.promise.status === "pending") {
_this.result = result;
(_a = _this.resolve) === null || _a === void 0 ? void 0 : _a.call(_this, result);
}
})
.catch(function () { });
return returnedPromise;
};
InternalQueryReference.prototype.subscribeToQuery = function () {
var _this = this;
this.subscription = this.observable
.filter(function (result) { return !equal(result.data, {}) && !equal(result, _this.result); })
.subscribe(this.handleNext, this.handleError);
};
InternalQueryReference.prototype.setResult = function () {
// Don't save this result as last result to prevent delivery of last result
// when first subscribing
var result = this.observable.getCurrentResult(false);
if (equal(result, this.result)) {
return;
}
this.result = result;
this.promise =
(result.data &&
(!result.partial || this.watchQueryOptions.returnPartialData)) ?
createFulfilledPromise(result)
: this.createPendingPromise();
};
InternalQueryReference.prototype.createPendingPromise = function () {
var _this = this;
return wrapPromiseWithState(new Promise(function (resolve, reject) {
_this.resolve = resolve;
_this.reject = reject;
}));
};
return InternalQueryReference;
}());
export { InternalQueryReference };
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