Method getCoordinateSystems

src/core/echarts.ts:2751–2753

()

        createExtensionAPI = function (ecIns: ECharts): ExtensionAPI {
            return new (class extends ExtensionAPI {
                getCoordinateSystems(): CoordinateSystemMaster[] {
                    return ecIns._coordSysMgr.getCoordinateSystems();
                }
                getComponentByElement(el: Element) {
                    while (el) {
                        const modelInfo = (el as ViewRootGroup).__ecComponentInfo;