@orca-fe/pocket/lib/should-update/demo/Demo1.js

UI components by orca-team

"use strict";

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _react = _interopRequireWildcard(require("react"));
var _ = require("../..");
var _ahooks = require("ahooks");
var _jsxRuntime = require("react/jsx-runtime");
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; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
var MyComponent = function MyComponent(props) {
  var _props$num = props.num,
    num = _props$num === void 0 ? 1 : _props$num;
  return /*#__PURE__*/(0, _jsxRuntime.jsxs)("span", {
    children: ["".concat(num, " "), Date.now()]
  });
};

// 包裹生成一个新组件，仅在 num 属性发生变化是才重新渲染
var NotUpdateMyComponent = (0, _.shouldUpdate)(MyComponent, function (props, prevProps) {
  return props.num !== prevProps.num;
});
var Demo = function Demo() {
  var _useState = (0, _react.useState)({
      num: 0
    }),
    _useState2 = _slicedToArray(_useState, 2),
    num = _useState2[0].num,
    setNum = _useState2[1];
  (0, _ahooks.useInterval)(function () {
    setNum({
      num: Math.round(Math.random() * 3)
    });
  }, 1000);
  return /*#__PURE__*/(0, _jsxRuntime.jsxs)("div", {
    children: [/*#__PURE__*/(0, _jsxRuntime.jsx)("p", {
      children: "shouldUpdate \u4E3A\u4F60\u7684\u51FD\u6570\u7EC4\u4EF6\u6DFB\u52A0\u662F\u5426\u91CD\u65B0\u6E32\u67D3\u7684\u80FD\u529B"
    }), /*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
      children: "\u5F53\u524D\u65F6\u95F4\u6233\uFF1A"
    }), Date.now(), /*#__PURE__*/(0, _jsxRuntime.jsx)("p", {}), /*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
      children: "\u666E\u901A\u7EC4\u4EF6\uFF08\u6C38\u8FDC\u548C\u65F6\u95F4\u6233\u4FDD\u6301\u4E00\u81F4\uFF09\uFF1A"
    }), /*#__PURE__*/(0, _jsxRuntime.jsx)(MyComponent, {
      num: num
    }), /*#__PURE__*/(0, _jsxRuntime.jsx)("p", {}), /*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
      children: "shouldUpdate \u5305\u88F9\u7684\u7EC4\u4EF6\uFF08\u4EC5 num \u53D8\u5316\u65F6\u624D\u91CD\u65B0\u6E32\u67D3\uFF09\uFF1A"
    }), /*#__PURE__*/(0, _jsxRuntime.jsx)(NotUpdateMyComponent, {
      num: num
    })]
  });
};
var _default = exports.default = Demo;