Function makeInner

libs/echarts/echarts-en.simple.js:12060–12066

* Enable property storage to any host object. * Notice: Serialization is not supported. * * For example: * var inner = zrUitl.makeInner(); * * function some1(hostObj) { * inner(hostObj).someProperty = 1212; * ... * } * function some2() { * var fields = inner(this); *

()

 * @return {Function}
 */
function makeInner() {
    // Consider different scope by es module import.
    var key = '__\0ec_inner_' + innerUniqueIndex++ + '_' + Math.random().toFixed(5);
    return function (hostObj) {
        return hostObj[key] || (hostObj[key] = {});
    };
}
var innerUniqueIndex = 0;

/**