110 lines
3.0 KiB
JavaScript
110 lines
3.0 KiB
JavaScript
"use strict";
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"use client";
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var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = SingleNumber;
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var _classnames = _interopRequireDefault(require("classnames"));
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var React = _interopRequireWildcard(require("react"));
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function UnitNumber(_ref) {
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let {
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prefixCls,
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value,
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current,
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offset = 0
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} = _ref;
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let style;
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if (offset) {
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style = {
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position: 'absolute',
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top: `${offset}00%`,
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left: 0
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};
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}
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return /*#__PURE__*/React.createElement("span", {
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style: style,
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className: (0, _classnames.default)(`${prefixCls}-only-unit`, {
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current
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})
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}, value);
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}
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function getOffset(start, end, unit) {
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let index = start;
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let offset = 0;
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while ((index + 10) % 10 !== end) {
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index += unit;
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offset += unit;
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}
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return offset;
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}
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function SingleNumber(props) {
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const {
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prefixCls,
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count: originCount,
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value: originValue
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} = props;
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const value = Number(originValue);
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const count = Math.abs(originCount);
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const [prevValue, setPrevValue] = React.useState(value);
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const [prevCount, setPrevCount] = React.useState(count);
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// ============================= Events =============================
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const onTransitionEnd = () => {
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setPrevValue(value);
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setPrevCount(count);
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};
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// Fallback if transition event not support
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React.useEffect(() => {
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const timeout = setTimeout(() => {
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onTransitionEnd();
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}, 1000);
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return () => {
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clearTimeout(timeout);
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};
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}, [value]);
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// ============================= Render =============================
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// Render unit list
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let unitNodes;
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let offsetStyle;
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if (prevValue === value || Number.isNaN(value) || Number.isNaN(prevValue)) {
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// Nothing to change
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unitNodes = [/*#__PURE__*/React.createElement(UnitNumber, Object.assign({}, props, {
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key: value,
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current: true
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}))];
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offsetStyle = {
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transition: 'none'
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};
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} else {
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unitNodes = [];
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// Fill basic number units
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const end = value + 10;
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const unitNumberList = [];
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for (let index = value; index <= end; index += 1) {
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unitNumberList.push(index);
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}
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// Fill with number unit nodes
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const prevIndex = unitNumberList.findIndex(n => n % 10 === prevValue);
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unitNodes = unitNumberList.map((n, index) => {
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const singleUnit = n % 10;
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return /*#__PURE__*/React.createElement(UnitNumber, Object.assign({}, props, {
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key: n,
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value: singleUnit,
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offset: index - prevIndex,
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current: index === prevIndex
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}));
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});
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// Calculate container offset value
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const unit = prevCount < count ? 1 : -1;
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offsetStyle = {
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transform: `translateY(${-getOffset(prevValue, value, unit)}00%)`
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};
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}
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return /*#__PURE__*/React.createElement("span", {
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className: `${prefixCls}-only`,
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style: offsetStyle,
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onTransitionEnd: onTransitionEnd
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}, unitNodes);
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} |