water_xcx/miniprogram_npm/tdesign-miniprogram/back-top/props.js

const props = {
    externalClasses: {
        type: Array,
    },
    fixed: {
        type: Boolean,
        value: true,
    },
    icon: {
        type: String,
        value: 'backtop',
    },
    text: {
        type: String,
        value: '',
    },
    theme: {
        type: String,
        value: 'round',
    },
};
export default props;