63 lines
1.8 KiB
Plaintext
63 lines
1.8 KiB
Plaintext
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/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @emails oncall+relay
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* @flow strict-local
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* @format
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*/
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// flowlint ambiguous-object-type:error
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'use strict';
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const {getPromiseForActiveRequest} = require('../query/fetchQueryInternal');
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import type {IEnvironment, RequestDescriptor} from '../store/RelayStoreTypes';
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import type {ReaderFragment} from './ReaderNode';
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function getPendingOperationsForFragment(
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environment: IEnvironment,
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fragmentNode: ReaderFragment,
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fragmentOwner: RequestDescriptor,
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): {|
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promise: Promise<void>,
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pendingOperations: $ReadOnlyArray<RequestDescriptor>,
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|} | null {
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let pendingOperations: $ReadOnlyArray<RequestDescriptor> = [];
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let promise = getPromiseForActiveRequest(environment, fragmentOwner);
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if (promise != null) {
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pendingOperations = [fragmentOwner];
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} else {
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const result = environment
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.getOperationTracker()
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.getPendingOperationsAffectingOwner(fragmentOwner);
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pendingOperations = result?.pendingOperations ?? [];
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promise = result?.promise ?? null;
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}
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if (!promise) {
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return null;
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}
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let pendingOperationName =
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pendingOperations?.map(op => op.node.params.name).join(',') ?? null;
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if (pendingOperationName == null || pendingOperationName.length === 0) {
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pendingOperationName = 'Unknown pending operation';
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}
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const fragmentName = fragmentNode.name;
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const promiseDisplayName =
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pendingOperationName === fragmentName
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? `Relay(${pendingOperationName})`
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: `Relay(${pendingOperationName}:${fragmentName})`;
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// $FlowExpectedError[prop-missing] Expando to annotate Promises.
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promise.displayName = promiseDisplayName;
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return {promise, pendingOperations};
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}
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module.exports = getPendingOperationsForFragment;
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