67 lines
1.8 KiB
JavaScript
67 lines
1.8 KiB
JavaScript
/**
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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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*
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* @format
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*/
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'use strict';
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread"));
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var CompilerContext = require("./GraphQLCompilerContext");
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var IRTransformer = require("./GraphQLIRTransformer");
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var invariant = require("fbjs/lib/invariant");
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var _require = require("relay-runtime"),
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getRelayHandleKey = _require.getRelayHandleKey;
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function relayFieldHandleTransform(context) {
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return IRTransformer.transform(context, {
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LinkedField: visitField,
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MatchField: visitField,
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ScalarField: visitField
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});
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}
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/**
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* @internal
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*/
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function visitField(field) {
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if (field.kind === 'LinkedField') {
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field = this.traverse(field);
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}
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var handles = field.handles;
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if (!handles || !handles.length) {
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return field;
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} // ensure exactly one handle
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!(handles.length === 1) ? process.env.NODE_ENV !== "production" ? invariant(false, 'RelayFieldHandleTransform: Expected fields to have at most one ' + '"handle" property, got `%s`.', handles.join(', ')) : invariant(false) : void 0;
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var alias = field.alias || field.name;
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var handle = handles[0];
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var name = getRelayHandleKey(handle.name, handle.key, field.name);
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var filters = handle.filters;
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var args = filters ? field.args.filter(function (arg) {
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return filters.indexOf(arg.name) > -1;
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}) : [];
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return (0, _objectSpread2["default"])({}, field, {
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args: args,
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alias: alias,
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name: name,
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handles: null
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});
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}
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module.exports = {
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transform: relayFieldHandleTransform
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}; |