@visactor/vchart/esm/data/data-view-utils.js

charts lib based @visactor/VGrammar

const getDataViewsInDataSet = dataView => {
    var _a;
    const dataViewMap = null === (_a = null == dataView ? void 0 : dataView.dataSet) || void 0 === _a ? void 0 : _a.dataViewMap;
    return dataViewMap ? Object.values(dataViewMap).filter(Boolean) : [];
}, detachDataViewListener = (source, target) => {
    var _a, _b;
    null === (_a = null == source ? void 0 : source.target) || void 0 === _a || _a.removeListener("change", target.reRunAllTransform), 
    null === (_b = null == source ? void 0 : source.target) || void 0 === _b || _b.removeListener("markRunning", target.markRunning);
};

export const detachDataViewDependencies = dataView => {
    if (!dataView) return;
    getDataViewsInDataSet(dataView).forEach((source => {
        detachDataViewListener(source, dataView);
    }));
    const dependencies = null == dataView ? void 0 : dataView.rawData;
    Array.isArray(dependencies) && dependencies.forEach((dependency => {
        detachDataViewListener(dependency, dataView);
    }));
};

export const releaseDataViews = dataViews => {
    const releaseDataViews = Array.from(new Set(dataViews.filter(Boolean)));
    releaseDataViews.length && (releaseDataViews.forEach(detachDataViewDependencies), 
    releaseDataViews.forEach((dataView => {
        var _a;
        null === (_a = dataView.destroy) || void 0 === _a || _a.call(dataView);
    })));
};

export const releaseDataView = dataView => {
    releaseDataViews([ dataView ]);
};

export const releaseDataViewWithDependencies = (dataView, shouldReleaseDependency) => {
    if (!dataView) return;
    const dataViewsInDataSet = new Set(getDataViewsInDataSet(dataView)), releaseDependencies = [], collectReleaseDependencies = currentDataView => {
        const dependencies = null == currentDataView ? void 0 : currentDataView.rawData;
        Array.isArray(dependencies) && dependencies.forEach((dependency => {
            dataViewsInDataSet.has(dependency) && shouldReleaseDependency(dependency) && !releaseDependencies.includes(dependency) && (releaseDependencies.push(dependency), 
            collectReleaseDependencies(dependency));
        }));
    };
    collectReleaseDependencies(dataView), releaseDataViews([ dataView, ...releaseDependencies ]);
};
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