rc-table/lib/hooks/useRenderTimes.js

table ui component for react

"use strict";

var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports.RenderBlock = void 0;
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
/* istanbul ignore file */

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;
}
var _default = exports.default = process.env.NODE_ENV !== 'production' ? useRenderTimes : function () {};
var RenderBlock = exports.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';
}