xiaoshi-wx/node_modules/wux-weapp/example/dist/helpers/wxs/common.wxs

var util = require("./util.wxs")

var getOptions = function(options, fieldNames) {
    var isObject = util.type(fieldNames) === 'object'
    var labelName = isObject ? fieldNames.label : 'label'
    var valueName = isObject ? fieldNames.value : 'value'
    return options.map(function(option, index) {
        if (util.type(option) === 'string') {
            var newOption = {}
            newOption.index = index
            newOption[labelName] = option
            newOption[valueName] = option
            return newOption
        }
        option.index = index
        return option
    }).map(function(option, index) {
        // 因为 wx:key 使用动态绑定会有 warn 提示，所以在这里使用内置的字段
        option['__comp_unique_key'] = 
            option[valueName] !== undefined ? option[valueName] : index
        return option
    })
}

var getValue = function(values, type) {
    if (type === 'radio') {
        if (util.type(values) === 'array') {
            return values[0] || ''
        }
        return values || ''
    }
    return values || []
}

var getChecked = function(values, value, type) {
    if (type === 'radio') {
        return getValue(values, type) === value
    }
    return getValue(values, type).indexOf(value) !== -1
}

module.exports = {
    getOptions: getOptions,
    getValue: getValue,
    getChecked: getChecked
}