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RelayIRTransforms.js
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RelayIRTransforms.js
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/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @providesModule RelayIRTransforms
* @flow
* @format
*/
'use strict';
const RelayApplyFragmentArgumentTransform = require('../transforms/RelayApplyFragmentArgumentTransform');
const RelayConnectionTransform = require('../handlers/connection//RelayConnectionTransform');
const RelayDeferrableFragmentTransform = require('../transforms/RelayDeferrableFragmentTransform');
const RelayFieldHandleTransform = require('../transforms/RelayFieldHandleTransform');
const RelayGenerateIDFieldTransform = require('../transforms/RelayGenerateIDFieldTransform');
const RelayGenerateTypeNameTransform = require('../transforms/RelayGenerateTypeNameTransform');
const RelayMaskTransform = require('../transforms/RelayMaskTransform');
const RelayRelayDirectiveTransform = require('../transforms/RelayRelayDirectiveTransform');
const RelaySkipHandleFieldTransform = require('../transforms/RelaySkipHandleFieldTransform');
const RelayViewerHandleTransform = require('../handlers/viewer/RelayViewerHandleTransform');
const {
FilterDirectivesTransform,
FlattenTransform,
InlineFragmentsTransform,
SkipClientFieldTransform,
SkipRedundantNodesTransform,
SkipUnreachableNodeTransform,
} = require('graphql-compiler');
import type {IRTransform} from 'graphql-compiler';
// Transforms applied to the code used to process a query response.
const relaySchemaExtensions: Array<string> = [
RelayConnectionTransform.SCHEMA_EXTENSION,
RelayRelayDirectiveTransform.SCHEMA_EXTENSION,
];
// Transforms applied to both operations and fragments for both reading and
// writing from the store.
const relayCommonTransforms: Array<IRTransform> = [
RelayConnectionTransform.transform,
RelayViewerHandleTransform.transform,
RelayRelayDirectiveTransform.transform,
RelayMaskTransform.transform,
RelayDeferrableFragmentTransform.transformOperations,
];
// Transforms applied to fragments used for reading data from a store
const relayFragmentTransforms: Array<IRTransform> = [
RelayFieldHandleTransform.transform,
FlattenTransform.transformWithOptions({flattenAbstractTypes: true}),
SkipRedundantNodesTransform.transform,
];
// Transforms applied to queries/mutations/subscriptions that are used for
// fetching data from the server and parsing those responses.
const relayQueryTransforms: Array<IRTransform> = [
RelayDeferrableFragmentTransform.transformSpreads,
RelayApplyFragmentArgumentTransform.transform,
SkipClientFieldTransform.transform,
SkipUnreachableNodeTransform.transform,
RelayGenerateIDFieldTransform.transform,
];
// Transforms applied to the code used to process a query response.
const relayCodegenTransforms: Array<IRTransform> = [
InlineFragmentsTransform.transform,
FlattenTransform.transformWithOptions({flattenAbstractTypes: true}),
SkipRedundantNodesTransform.transform,
RelayGenerateTypeNameTransform.transform,
FilterDirectivesTransform.transform,
];
// Transforms applied before printing the query sent to the server.
const relayPrintTransforms: Array<IRTransform> = [
FlattenTransform.transformWithOptions({}),
RelayGenerateTypeNameTransform.transform,
RelaySkipHandleFieldTransform.transform,
FilterDirectivesTransform.transform,
];
module.exports = {
commonTransforms: relayCommonTransforms,
codegenTransforms: relayCodegenTransforms,
fragmentTransforms: relayFragmentTransforms,
printTransforms: relayPrintTransforms,
queryTransforms: relayQueryTransforms,
schemaExtensions: relaySchemaExtensions,
};