shenweishi/node_modules/@vant/weapp/dist/switch/index.js

import { VantComponent } from '../common/component';
VantComponent({
    field: true,
    classes: ['node-class'],
    props: {
        checked: null,
        loading: Boolean,
        disabled: Boolean,
        activeColor: String,
        inactiveColor: String,
        size: {
            type: String,
            value: '30',
        },
        activeValue: {
            type: null,
            value: true,
        },
        inactiveValue: {
            type: null,
            value: false,
        },
    },
    methods: {
        onClick() {
            const { activeValue, inactiveValue, disabled, loading } = this.data;
            if (disabled || loading) {
                return;
            }
            const checked = this.data.checked === activeValue;
            const value = checked ? inactiveValue : activeValue;
            this.$emit('input', value);
            this.$emit('change', value);
        },
    },
});