bc518174
 王天杨
提交两个项目文件
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createCallbackRef = void 0;
/**
* creates a Ref object with on change callback
* @param callback
* @returns {RefObject}
*
* @see {@link useCallbackRef}
* @see https://reactjs.org/docs/refs-and-the-dom.html#creating-refs
*/
function createCallbackRef(callback) {
var current = null;
return {
get current() {
return current;
},
set current(value) {
var last = current;
if (last !== value) {
current = value;
callback(value, last);
}
},
};
}
exports.createCallbackRef = createCallbackRef;
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