@nutui/nutui-react-taro
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
133 lines (132 loc) • 5.98 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 _sliced_to_array = require("@swc/helpers/_/_sliced_to_array");
var _to_consumable_array = require("@swc/helpers/_/_to_consumable_array");
var _react = /*#__PURE__*/ _interop_require_wildcard._(require("react"));
var _components = require("@tarojs/components");
var _taro = require("@tarojs/taro");
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)();
var numbers = Array.from({
length: 10
}, function(v, i) {
return i;
});
var getShowNumber = (0, _react.useCallback)(function() {
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('');
}, [
length,
thousands,
value
]);
var _useState = (0, _sliced_to_array._)((0, _react.useState)([]), 2), numberArr = _useState[0], setNumberArr = _useState[1];
var _useState1 = (0, _sliced_to_array._)((0, _react.useState)([]), 2), transformArr = _useState1[0], setTransformArr = _useState1[1];
var isLoaded = (0, _react.useRef)(false);
var setNumberTransform = (0, _react.useCallback)(function() {
if (countupRef.current && numberArr.length) {
(0, _taro.createSelectorQuery)().selectAll('.nut-countup-listitem').node(function(numberItems) {
var transformArrCache = [];
Object.keys(numberItems).forEach(function(key) {
var elem = numberItems[Number(key)];
var idx = Number(numberArr[Number(key)]);
var enabled = elem && typeof idx === 'number' && !Number.isNaN(idx);
if (enabled) {
// 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 = idx || idx === 0 ? "translate(0, -".concat((idx === 0 ? 10 : idx) * 5, "%)") : '';
transformArrCache.push({
transitionDuration: "".concat(duration, "s"),
transform: transform
});
}
});
setTransformArr((0, _to_consumable_array._)(transformArrCache));
}).exec();
}
}, [
numberArr
]);
(0, _react.useEffect)(function() {
if (numberArr.length) {
if (!isLoaded.current) {
isLoaded.current = true;
// @ts-ignore
timerRef.current = setTimeout(function() {
setNumberTransform();
}, delay);
} else {
setNumberTransform();
}
}
return function() {
clearTimeout(timerRef.current);
isLoaded.current = false;
};
}, [
numberArr,
delay,
setNumberTransform
]);
(0, _react.useEffect)(function() {
setNumberArr(getShowNumber());
}, [
value,
getShowNumber
]);
return /*#__PURE__*/ _react.default.createElement(_components.View, (0, _object_spread._)({
className: "".concat(classPrefix, " ").concat(className),
ref: countupRef
}, rest), /*#__PURE__*/ _react.default.createElement(_components.View, {
className: "".concat(classPrefix, "-list")
}, numberArr.map(function(item, idx) {
return /*#__PURE__*/ _react.default.createElement(_components.View, {
className: "".concat(classPrefix, "-listitem ").concat(!Number.isNaN(Number(item)) ? "".concat(classPrefix, "-listitem-number") : ''),
key: idx
}, !Number.isNaN(Number(item)) ? /*#__PURE__*/ _react.default.createElement(_components.View, {
className: "".concat(classPrefix, "-number"),
style: transformArr === null || transformArr === void 0 ? void 0 : transformArr[idx]
}, (0, _to_consumable_array._)(numbers).concat((0, _to_consumable_array._)(numbers)).map(function(number, subidx) {
return /*#__PURE__*/ _react.default.createElement(_components.Text, {
className: "".concat(classPrefix, "-number-text"),
key: subidx
}, number);
})) : /*#__PURE__*/ _react.default.createElement(_components.View, {
className: "".concat(classPrefix, "-separator")
}, item));
})));
};
CountUp.displayName = 'NutCountUp';