<script> import { isNaN } from '../utils' function stringifyValue(value) { if (typeof value === 'string') return value // istanbul ignore else if (value != null && !isNaN(value)) return JSON.stringify(value) // istanbul ignore next return '' } export default { name: 'vue-treeselect--hidden-fields', inject: [ 'instance' ], functional: true, render(_, context) { const { instance } = context.injections if (!instance.name || instance.disabled || !instance.hasValue) return null let stringifiedValues = instance.internalValue.map(stringifyValue) if (instance.multiple && instance.joinValues) stringifiedValues = [ stringifiedValues.join(instance.delimiter), ] return stringifiedValues.map((stringifiedValue, i) => ( <input type="hidden" name={instance.name} value={stringifiedValue} key={'hidden-field-' + i} /> )) }, } </script>