Function createRenderPlanner

src/chart/helper/createRenderPlanner.ts:27–50

()

 * @return {string} If large mode changed, return string 'reset';
 */
export default function createRenderPlanner() {
    const inner = makeInner<{
        large: boolean
        progressiveRender: boolean
    }, SeriesModel>();

    return function (seriesModel: SeriesModel): StageHandlerPlanReturn {
        const fields = inner(seriesModel);
        const pipelineContext = seriesModel.pipelineContext;

        const originalLarge = !!fields.large;
        const originalProgressive = !!fields.progressiveRender;

        // FIXME: if the planner works on a filtered series, `pipelineContext` does not
        // exists. See #11611 . Probably we need to modify this structure, see the comment
        // on `performRawSeries` in `Schedular.js`.
        const large = fields.large = !!(pipelineContext && pipelineContext.large);
        const progressive = fields.progressiveRender = !!(pipelineContext && pipelineContext.progressiveRender);

        return (
            !!((originalLarge !== large) || (originalProgressive !== progressive)) && 'reset'
        ) as StageHandlerPlanReturn;
    };
}