apollo-cache-inmemory/lib/depTrackingCache.js

Core abstract of Caching layer for Apollo Client

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var optimism_1 = require("optimism");
var hasOwn = Object.prototype.hasOwnProperty;
var DepTrackingCache = (function () {
    function DepTrackingCache(data) {
        var _this = this;
        if (data === void 0) { data = Object.create(null); }
        this.data = data;
        this.depend = optimism_1.wrap(function (dataId) { return _this.data[dataId]; }, {
            disposable: true,
            makeCacheKey: function (dataId) {
                return dataId;
            },
        });
    }
    DepTrackingCache.prototype.toObject = function () {
        return this.data;
    };
    DepTrackingCache.prototype.get = function (dataId) {
        this.depend(dataId);
        return this.data[dataId];
    };
    DepTrackingCache.prototype.set = function (dataId, value) {
        var oldValue = this.data[dataId];
        if (value !== oldValue) {
            this.data[dataId] = value;
            this.depend.dirty(dataId);
        }
    };
    DepTrackingCache.prototype.delete = function (dataId) {
        if (hasOwn.call(this.data, dataId)) {
            delete this.data[dataId];
            this.depend.dirty(dataId);
        }
    };
    DepTrackingCache.prototype.clear = function () {
        this.replace(null);
    };
    DepTrackingCache.prototype.replace = function (newData) {
        var _this = this;
        if (newData) {
            Object.keys(newData).forEach(function (dataId) {
                _this.set(dataId, newData[dataId]);
            });
            Object.keys(this.data).forEach(function (dataId) {
                if (!hasOwn.call(newData, dataId)) {
                    _this.delete(dataId);
                }
            });
        }
        else {
            Object.keys(this.data).forEach(function (dataId) {
                _this.delete(dataId);
            });
        }
    };
    return DepTrackingCache;
}());
exports.DepTrackingCache = DepTrackingCache;
function defaultNormalizedCacheFactory(seed) {
    return new DepTrackingCache(seed);
}
exports.defaultNormalizedCacheFactory = defaultNormalizedCacheFactory;
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