@crnk/angular-ngrx/binding/crnk.binding.selector.js

Angular helper library for ngrx-json-api and crnk:

import { Subject } from "rxjs/Subject";
import { Observable } from "rxjs/Observable";
import * as _ from "lodash";
import "rxjs/add/operator/zip";
import "rxjs/add/operator/do";
import "rxjs/add/operator/debounceTime";
import "rxjs/add/operator/distinct";
import "rxjs/add/operator/switch";
import { FilteringParam, ManyQueryResult, NGRX_JSON_API_DEFAULT_ZONE, NgrxJsonApiService, NgrxJsonApiZoneService, Query, ResourceIdentifier } from "ngrx-json-api";
import { CrnkBindingUtils } from "./crnk.binding.utils";
var SelectorBinding = /** @class */ (function () {
    function SelectorBinding(ngrxJsonApiService, config, utils) {
        var _this = this;
        this.config = config;
        this.utils = utils;
        this.ngrxJsonApiZone = ngrxJsonApiService.getZone(config.zoneId || NGRX_JSON_API_DEFAULT_ZONE);
        var termToQuery = function (queryTerm) {
            var query = _.cloneDeep(_this.config.query);
            if (queryTerm !== null) {
                if (!query.params) {
                    query.params = {};
                }
                if (!query.params.filtering) {
                    query.params.filtering = [];
                }
                var filterParam = _this.config.filterFactory(queryTerm);
                query.params.filtering.push(filterParam);
            }
            return query;
        };
        var executeQuery = function (query) {
            _this.ngrxJsonApiZone.putQuery({
                query: query,
                fromServer: true
            });
            return _this.ngrxJsonApiZone.selectManyResults(query.queryId);
        };
        var isNotLoading = function (result) { return !result.loading; };
        var toIdentifiers = function (result) { return _this.utils.toResourceIdentifiers(result.data); };
        this.querySubject = new Subject();
        this.values = this.querySubject.asObservable()
            .map(termToQuery)
            .switchMap(executeQuery)
            .filter(isNotLoading)
            .map(toIdentifiers);
    }
    SelectorBinding.prototype.complete = function (event) {
        this.querySubject.next(event.query);
    };
    return SelectorBinding;
}());
export { SelectorBinding };
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