51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
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import * as React from 'react';
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import SliderContext from '../context';
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import Track from './Track';
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import { getIndex } from '../util';
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export default function Tracks(props) {
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var prefixCls = props.prefixCls,
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style = props.style,
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values = props.values,
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startPoint = props.startPoint,
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onStartMove = props.onStartMove;
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var _React$useContext = React.useContext(SliderContext),
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included = _React$useContext.included,
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range = _React$useContext.range,
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min = _React$useContext.min;
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var trackList = React.useMemo(function () {
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if (!range) {
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// null value do not have track
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if (values.length === 0) {
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return [];
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}
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var startValue = startPoint !== null && startPoint !== void 0 ? startPoint : min;
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var endValue = values[0];
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return [{
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start: Math.min(startValue, endValue),
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end: Math.max(startValue, endValue)
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}];
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}
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// Multiple
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var list = [];
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for (var i = 0; i < values.length - 1; i += 1) {
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list.push({
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start: values[i],
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end: values[i + 1]
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});
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}
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return list;
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}, [values, range, startPoint, min]);
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return included ? trackList.map(function (_ref, index) {
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var start = _ref.start,
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end = _ref.end;
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return /*#__PURE__*/React.createElement(Track, {
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index: index,
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prefixCls: prefixCls,
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style: getIndex(style, index),
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start: start,
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end: end,
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key: index,
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onStartMove: onStartMove
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});
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}) : null;
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}
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