vxe-pc-ui/es/select/src/util.js

A vue based PC component library

import { watch } from 'vue';
import XEUtils from 'xe-utils';
import { OptionInfo } from './option-info';
export function isOption(option) {
    return option instanceof OptionInfo;
}
export function createOption($xeSelect, _vm) {
    return isOption(_vm) ? _vm : new OptionInfo($xeSelect, _vm);
}
export function watchOption(props, option) {
    Object.keys(props).forEach(name => {
        watch(() => props[name], (value) => {
            option.update(name, value);
        });
    });
}
export function assembleOption($xeSelect, el, option, $xeOptgroup) {
    const { reactData } = $xeSelect;
    const { staticOptions } = reactData;
    const parentElem = el.parentNode;
    const parentOption = $xeOptgroup ? $xeOptgroup.optionConfig : null;
    const parentCols = parentOption ? parentOption.options : staticOptions;
    if (parentElem && parentCols) {
        parentCols.splice(XEUtils.arrayIndexOf(parentElem.children, el), 0, option);
        reactData.staticOptions = staticOptions.slice(0);
    }
}
export function destroyOption($xeSelect, option) {
    const { reactData } = $xeSelect;
    const { staticOptions } = reactData;
    const matchObj = XEUtils.findTree(staticOptions, (item) => item.id === option.id, { children: 'options' });
    if (matchObj) {
        matchObj.items.splice(matchObj.index, 1);
    }
    reactData.staticOptions = staticOptions.slice(0);
}