@mpxjs/webpack-plugin/lib/runtime/components/react/dist/mpx-picker/selector.jsx

mpx compile core

import React, { forwardRef, useImperativeHandle, useRef, useState } from 'react';
import { StyleSheet, Text } from 'react-native';
import MpxPickerView from '../mpx-picker-view';
import MpxPickerViewColumn from '../mpx-picker-view-column';
import { useUpdateEffect } from '../utils';
const styles = StyleSheet.create({
    pickerContainer: {
        height: 240,
        paddingHorizontal: 10,
        borderTopLeftRadius: 10,
        borderTopRightRadius: 10
    },
    pickerIndicator: {
        height: 45
    },
    pickerItem: {
        fontSize: 18,
        lineHeight: 45,
        textAlign: 'center'
    }
});
const formatRangeFun = (range, rangeKey = '') => rangeKey ? range.map((item) => item[rangeKey]) : range;
const formatValueFn = (value = 0) => {
    const _value = Array.isArray(value) ? value[0] : value;
    return +_value;
};
const PickerSelector = forwardRef((props, ref) => {
    const { value, range = [], bindchange } = props;
    const [formatValue, setFormatValue] = useState(formatValueFn(value));
    const formatRange = formatRangeFun(range, props['range-key']);
    const nodeRef = useRef(null);
    const updateValue = (value = 0) => {
        const newValue = formatValueFn(value);
        setFormatValue(newValue);
    };
    useUpdateEffect(() => {
        updateValue(value);
    }, [value]);
    const _props = useRef(props);
    _props.current = props;
    useImperativeHandle(ref, () => ({
        updateValue,
        getNodeInstance: () => ({
            props: _props,
            nodeRef,
            instance: {
                style: {}
            }
        })
    }));
    const onChange = (e) => {
        const { value } = e.detail;
        if (formatValue !== value[0]) {
            setFormatValue(value[0]);
        }
        bindchange?.({ detail: { value: value[0] + '' } });
    };
    return (<MpxPickerView style={styles.pickerContainer} indicator-style={styles.pickerIndicator} value={[formatValue]} bindchange={onChange}>
      {/* @ts-expect-error ignore */}
      <MpxPickerViewColumn>
        {formatRange.map((item, index) => (<Text key={index} style={styles.pickerItem}>{item}</Text>))}
      </MpxPickerViewColumn>
    </MpxPickerView>);
});
PickerSelector.displayName = 'MpxPickerSelector';
export default PickerSelector;