select filter
by bmleite
HTML
<div ng-controller="Ctrl">
<select ng-model="targetToMap" required="true" ng-options="code.code for code in targetCodes | filter:{mapped: false}"></select>
<div>
JavaScript
var app = angular.module('app', []);
function Ctrl($scope) {
$scope.targetCodes = [{
code: 'code1',
mapped: true
}, {
code: 'code2',
mapped: false
}];
}