preact-arco-design/es/Badge/count.js

Arco Design React UI Library.

var __read = this && this.__read || function (o, n) {
  var m = typeof Symbol === "function" && o[Symbol.iterator];
  if (!m) return o;
  var i = m.call(o),
      r,
      ar = [],
      e;

  try {
    while ((n === void 0 || n-- > 0) && !(r = i.next()).done) {
      ar.push(r.value);
    }
  } catch (error) {
    e = {
      error: error
    };
  } finally {
    try {
      if (r && !r.done && (m = i["return"])) m.call(i);
    } finally {
      if (e) throw e.error;
    }
  }

  return ar;
};

import React, { useState } from "preact/compat";
import { CSSTransition } from "preact-transition-group-4";
import cs from "../_util/classNames";
import usePrevious from "../_util/hooks/usePrevious";
export default function Count(_a) {
  var _b;

  var prefixCls = _a.prefixCls,
      maxCount = _a.maxCount,
      count = _a.count,
      className = _a.className,
      style = _a.style;

  var _c = __read(useState(false), 2),
      isEntered = _c[0],
      setIsEntered = _c[1];

  var oldCount = usePrevious(count);
  var isChanged = count !== oldCount;
  return React.createElement(CSSTransition, {
    classNames: "badge-zoom",
    in: count > 0,
    timeout: 300,
    appear: true,
    mountOnEnter: true,
    unmountOnExit: true,
    onEntered: function onEntered() {
      setIsEntered(true);
    }
  }, React.createElement("span", {
    className: className,
    style: style
  }, React.createElement("span", {
    key: count,
    className: cs((_b = {}, _b["".concat(prefixCls, "-number-text")] = isEntered && isChanged, _b))
  }, maxCount && count > maxCount ? "".concat(maxCount, "+") : count)));
}