apollo-client/queries/store.js

A simple yet functional GraphQL client.

"use strict";
var actions_1 = require('../actions');
var storeUtils_1 = require('../data/storeUtils');
var assign = require('lodash.assign');
function queries(previousState, action) {
    if (previousState === void 0) { previousState = {}; }
    if (actions_1.isQueryInitAction(action)) {
        var newState = assign({}, previousState);
        newState[action.queryId] = {
            queryString: action.queryString,
            query: action.query,
            minimizedQueryString: action.minimizedQueryString,
            minimizedQuery: action.minimizedQuery,
            variables: action.variables,
            loading: true,
            networkError: null,
            graphQLErrors: null,
            forceFetch: action.forceFetch,
            returnPartialData: action.returnPartialData,
            lastRequestId: action.requestId,
        };
        return newState;
    }
    else if (actions_1.isQueryResultAction(action)) {
        if (!previousState[action.queryId]) {
            return previousState;
        }
        if (action.requestId < previousState[action.queryId].lastRequestId) {
            return previousState;
        }
        var newState = assign({}, previousState);
        var resultHasGraphQLErrors = storeUtils_1.graphQLResultHasError(action.result);
        newState[action.queryId] = assign({}, previousState[action.queryId], {
            loading: false,
            networkError: null,
            graphQLErrors: resultHasGraphQLErrors ? action.result.errors : null,
        });
        return newState;
    }
    else if (actions_1.isQueryErrorAction(action)) {
        if (!previousState[action.queryId]) {
            return previousState;
        }
        if (action.requestId < previousState[action.queryId].lastRequestId) {
            return previousState;
        }
        var newState = assign({}, previousState);
        newState[action.queryId] = assign({}, previousState[action.queryId], {
            loading: false,
            networkError: action.error,
        });
        return newState;
    }
    else if (actions_1.isQueryResultClientAction(action)) {
        if (!previousState[action.queryId]) {
            return previousState;
        }
        var newState = assign({}, previousState);
        newState[action.queryId] = assign({}, previousState[action.queryId], {
            loading: action.complete,
            networkError: null,
        });
        return newState;
    }
    else if (actions_1.isQueryStopAction(action)) {
        var newState = assign({}, previousState);
        delete newState[action.queryId];
        return newState;
    }
    return previousState;
}
exports.queries = queries;
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