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- /* istanbul ignore file */
- import * as React from 'react';
- function useRenderTimes(props, debug) {
- // Render times
- var timesRef = React.useRef(0);
- timesRef.current += 1;
- // Props changed
- var propsRef = React.useRef(props);
- var keys = [];
- Object.keys(props || {}).map(function (key) {
- var _propsRef$current;
- if ((props === null || props === void 0 ? void 0 : props[key]) !== ((_propsRef$current = propsRef.current) === null || _propsRef$current === void 0 ? void 0 : _propsRef$current[key])) {
- keys.push(key);
- }
- });
- propsRef.current = props;
- // Cache keys since React rerender may cause it lost
- var keysRef = React.useRef([]);
- if (keys.length) {
- keysRef.current = keys;
- }
- React.useDebugValue(timesRef.current);
- React.useDebugValue(keysRef.current.join(', '));
- if (debug) {
- console.log("".concat(debug, ":"), timesRef.current, keysRef.current);
- }
- return timesRef.current;
- }
- export default process.env.NODE_ENV !== 'production' ? useRenderTimes : function () {};
- export var RenderBlock = /*#__PURE__*/React.memo(function () {
- var times = useRenderTimes();
- return /*#__PURE__*/React.createElement("h1", null, "Render Times: ", times);
- });
- if (process.env.NODE_ENV !== 'production') {
- RenderBlock.displayName = 'RenderBlock';
- }
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