57 lines
822 B
JavaScript
57 lines
822 B
JavaScript
|
|
const arrayMoveMutate = (array, from, to) =>
|
|
{
|
|
const startIndex = to < 0 ? array.length + to : to;
|
|
const item = array.splice(from, 1)[0];
|
|
array.splice(startIndex, 0, item);
|
|
};
|
|
|
|
/**
|
|
* Move an item in an array
|
|
*/
|
|
function move(array, from, to)
|
|
{
|
|
array = array.slice();
|
|
arrayMoveMutate(array, from, to);
|
|
return array;
|
|
}
|
|
|
|
/**
|
|
* Replaces an item in an array
|
|
*/
|
|
function replace(array, origin, target)
|
|
{
|
|
const index = array.indexOf(origin);
|
|
|
|
if (index < 0)
|
|
{
|
|
return index;
|
|
}
|
|
|
|
array.splice(index, 1);
|
|
array.splice(index, 0, target);
|
|
return index;
|
|
};
|
|
|
|
|
|
/**
|
|
* Removes an item from an array
|
|
*/
|
|
function remove(array, value)
|
|
{
|
|
const index = array.indexOf(value);
|
|
|
|
if (index < 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
array.splice(index, 1);
|
|
return index;
|
|
}
|
|
|
|
export default {
|
|
move,
|
|
replace,
|
|
remove
|
|
}; |