all files / directives/duplex/ option.js

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export function lookupOption(vdom, values) {
   vdom.children && vdom.children.forEach(function (el) {
        if (el.nodeName === 'option') {
            setOption(el, values)
        } else {
            lookupOption(el, values)
        } 
    })
}
 
function setOption(vdom, values) {
    var props = vdom.props
    Eif (!('disabled' in props)) {
        var value = getOptionValue(vdom, props).trim()
        props.selected = values.indexOf(value) !== -1
        if (vdom.dom) {
            vdom.dom.selected = props.selected
        }
    }
}
 
function getOptionValue(vdom, props) {
    if (props && 'value' in props) {
        return props.value
    }
    var arr = []
    vdom.children.forEach(function (el) {
        if (el.nodeName === '#text') {
            arr.push(el.nodeValue)
        } else Eif (el.nodeName === '#document-fragment') {
            arr.push(getOptionValue(el))
        }
    })
    return arr.join('')
}
 
export function getSelectedValue(vdom, arr) {
    vdom.children.forEach(function (el) {
        if (el.nodeName === 'option') {
            if(el.props.selected === true)
               arr.push(getOptionValue(el, el.props))
        } else if (el.children) {
            getSelectedValue(el,arr)
        }
    })
    return arr
}