@nutui/nutui-react
Version:
京东风格的轻量级移动端 React 组件库，支持一套代码生成 H5 和小程序
113 lines (112 loc) • 4.84 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "CountUp", {
enumerable: true,
get: function() {
return CountUp;
}
});
var _interop_require_wildcard = require("@swc/helpers/_/_interop_require_wildcard");
var _object_spread = require("@swc/helpers/_/_object_spread");
var _object_spread_props = require("@swc/helpers/_/_object_spread_props");
var _object_without_properties = require("@swc/helpers/_/_object_without_properties");
var _to_consumable_array = require("@swc/helpers/_/_to_consumable_array");
var _react = /*#__PURE__*/ _interop_require_wildcard._(require("react"));
var _typings = require("../../utils/typings");
var _mergeprops = require("../../utils/merge-props");
var defaultProps = (0, _object_spread_props._)((0, _object_spread._)({}, _typings.ComponentDefaults), {
length: 0,
value: '',
delay: 300,
duration: 1,
thousands: false
});
var CountUp = function CountUp(props) {
var _mergeProps = (0, _mergeprops.mergeProps)(defaultProps, props), length = _mergeProps.length, value = _mergeProps.value, delay = _mergeProps.delay, duration = _mergeProps.duration, className = _mergeProps.className, thousands = _mergeProps.thousands, style = _mergeProps.style, rest = (0, _object_without_properties._)(_mergeProps, [
"length",
"value",
"delay",
"duration",
"className",
"thousands",
"style"
]);
var classPrefix = 'nut-countup';
var countupRef = (0, _react.useRef)(null);
var timerRef = (0, _react.useRef)(0);
var numbers = Array.from({
length: 10
}, function(v, i) {
return i;
});
var getShowNumber = function getShowNumber() {
var splitArr = value.split('.');
var intNumber = length && splitArr[0].length < length ? (Array(length).join('0') + splitArr[0]).slice(-length) : splitArr[0];
var currNumber = "".concat(thousands ? intNumber.replace(/(\d)(?=(?:\d{3})+$)/g, '$1,') : intNumber).concat(splitArr[1] ? '.' : '').concat(splitArr[1] || '');
return currNumber.split('');
};
var numberArr = (0, _react.useMemo)(getShowNumber, [
value,
length,
thousands
]);
var setNumberTransform = (0, _react.useCallback)(function() {
if (countupRef.current) {
var numberItems = countupRef.current.querySelectorAll('.nut-countup-number');
var numberFilterArr = numberArr.filter(function(item) {
return !Number.isNaN(Number(item));
});
Object.keys(numberItems).forEach(function(key) {
var elem = numberItems[Number(key)];
var idx = Number(numberFilterArr[Number(key)]);
if ((idx || idx === 0) && elem) {
// 计算规则：父元素和实际列表高度的百分比，分割成20等份
var transform = "translate(0, -".concat((idx === 0 ? 10 : idx) * 5, "%)");
elem.style.transform = transform;
elem.style.webkitTransform = transform;
}
});
}
}, [
numberArr
]);
var numberEaseStyle = {
transitionDuration: "".concat(duration, "s")
};
(0, _react.useEffect)(function() {
timerRef.current = window.setTimeout(function() {
setNumberTransform();
}, delay);
return function() {
window.clearTimeout(timerRef.current);
};
}, [
numberArr,
delay,
setNumberTransform
]);
return /*#__PURE__*/ _react.default.createElement("div", {
className: "".concat(classPrefix, " ").concat(className),
ref: countupRef
}, /*#__PURE__*/ _react.default.createElement("ul", {
className: "".concat(classPrefix, "-list")
}, numberArr.map(function(item, idx) {
return /*#__PURE__*/ _react.default.createElement("li", {
className: "".concat(classPrefix, "-listitem ").concat(!Number.isNaN(Number(item)) ? "".concat(classPrefix, "-listitem-number") : ''),
key: idx
}, !Number.isNaN(Number(item)) ? /*#__PURE__*/ _react.default.createElement("span", {
className: "".concat(classPrefix, "-number"),
style: numberEaseStyle
}, (0, _to_consumable_array._)(numbers).concat((0, _to_consumable_array._)(numbers)).map(function(number, subidx) {
return /*#__PURE__*/ _react.default.createElement("span", {
className: "".concat(classPrefix, "-number-text"),
key: subidx
}, number);
})) : /*#__PURE__*/ _react.default.createElement("span", {
className: "".concat(classPrefix, "-separator")
}, item));
})));
};
CountUp.displayName = 'NutCountUp';