Sha256: da76459f2b76c2595c67dfd358aaf8607fa03ad929b71e7619ecb887ecf4a8f7
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Size: 1.23 KB
Versions: 8
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Stored size: 1.23 KB
Contents
/**
* Filters out all duplicate items from an array by checking the specified key
* @param [key] {string} the name of the attribute of each object to compare for uniqueness
if the key is empty, the entire object will be compared
if the key === false then no filtering will be performed
* @return {array}
*/
angular.module('ui.filters').filter('unique', function () {
return function (items, filterOn) {
if (filterOn === false) {
return items;
}
if ((filterOn || angular.isUndefined(filterOn)) && angular.isArray(items)) {
var hashCheck = {}, newItems = [];
var extractValueToCompare = function (item) {
if (angular.isObject(item) && angular.isString(filterOn)) {
return item[filterOn];
} else {
return item;
}
};
angular.forEach(items, function (item) {
var valueToCheck, isDuplicate = false;
for (var i = 0; i < newItems.length; i++) {
if (angular.equals(extractValueToCompare(newItems[i]), extractValueToCompare(item))) {
isDuplicate = true;
break;
}
}
if (!isDuplicate) {
newItems.push(item);
}
});
items = newItems;
}
return items;
};
});
Version data entries
8 entries across 8 versions & 1 rubygems