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11 | 'use strict';
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12 |
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13 | var ProfilerContext = require('./ProfilerContext');
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14 |
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15 | var React = require('react');
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16 |
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17 | var useFetchTrackingRef = require('./useFetchTrackingRef');
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18 |
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19 | var useFragmentNode = require('./useFragmentNode');
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20 |
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21 | var useRelayEnvironment = require('./useRelayEnvironment');
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22 |
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23 | var _require = require('./QueryResource'),
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24 | getQueryResourceForEnvironment = _require.getQueryResourceForEnvironment;
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25 |
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26 | var _require2 = require('relay-runtime'),
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27 | fetchQuery = _require2.__internal.fetchQuery;
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28 |
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29 | var useContext = React.useContext,
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30 | useEffect = React.useEffect;
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31 |
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32 | function useLazyLoadQueryNode(args) {
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33 | var _args$fetchObservable;
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34 |
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35 | var environment = useRelayEnvironment();
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36 | var profilerContext = useContext(ProfilerContext);
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37 | var QueryResource = getQueryResourceForEnvironment(environment);
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38 | var query = args.query,
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39 | componentDisplayName = args.componentDisplayName,
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40 | fetchKey = args.fetchKey,
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41 | fetchPolicy = args.fetchPolicy,
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42 | renderPolicy = args.renderPolicy;
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43 | var fetchObservable = (_args$fetchObservable = args.fetchObservable) !== null && _args$fetchObservable !== void 0 ? _args$fetchObservable : fetchQuery(environment, query, {
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44 | networkCacheConfig: args.networkCacheConfig
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45 | });
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46 |
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47 | var _useFetchTrackingRef = useFetchTrackingRef(),
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48 | startFetch = _useFetchTrackingRef.startFetch,
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49 | completeFetch = _useFetchTrackingRef.completeFetch;
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50 |
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51 | var preparedQueryResult = profilerContext.wrapPrepareQueryResource(function () {
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52 | return QueryResource.prepare(query, fetchObservable, fetchPolicy, renderPolicy, {
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53 | start: startFetch,
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54 | complete: completeFetch,
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55 | error: completeFetch
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56 | }, fetchKey);
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57 | });
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58 | useEffect(function () {
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59 | var disposable = QueryResource.retain(preparedQueryResult);
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60 | return function () {
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61 | disposable.dispose();
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62 | };
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63 |
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64 |
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65 |
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66 | }, [environment, query]);
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67 | var fragmentNode = preparedQueryResult.fragmentNode,
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68 | fragmentRef = preparedQueryResult.fragmentRef;
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69 |
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70 | var _useFragmentNode = useFragmentNode(fragmentNode, fragmentRef, componentDisplayName),
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71 | data = _useFragmentNode.data;
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72 |
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73 | return data;
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74 | }
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75 |
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76 | module.exports = useLazyLoadQueryNode; |
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