Move element in a given array from one index to another ..with some extra functions.
npm install move-positionMoves element form one index to another with ability to fill each position and mutate the input array.
function move<T>(
arr: T[] = [],
movingMap: ArrayRange | ArrayRange[],
Opts<T> = {}
)-
ArrayRangeobject contains:from: number- Target index.to: number- Destination index.
-
Optsobject contains:isMutate?: boolean- Defaulttrue- Mutate array input or create new one.isDuplicate?: boolean- Defaultfalse- Duplicate the traveled element or not.isSwap?: boolean- Defaultfalse- Swap between array elements.fill?: T- Fill the original position with a value.
Trying default options:
const INPUT = ["first", "second", "third", "fourth"];
const movingMap = [{ from: 0, to: 3 }];
const result = move(INPUT, movingMap);
>> result= ["fourth", "second", "third", "first"];Enables isDuplicate:true:
const INPUT = ["first", "second", "third", "fourth"];
const movingMap = [{ from: 0, to: 3 }];
const result = move(INPUT, movingMap, { isDuplicate: true });
//
>> result= ["first", "second", "third", "first"];With nullish:
const INPUT = ["first", "second", "third", "fourth"];
const movingMap = [{ from: 0, to: 3 }];
const result = move(INPUT, movingMap, {
isDuplicate: false,
isSwap: false,
});
>> result = [null, "second", "third", "first"];With custom fill:
const INPUT = ["first", "second", "third", "fourth"];
const movingMap = [{ from: 0, to: 3 }];
const result = move(INPUT, movingMap, {
fill: "emptiness"
});
>> result = ["emptiness", "second", "third", "first"];Compare elements of the first array with the rest of arrays.
function compare<T>(...args: T[][])const diff = compare(["a", "b", "c"], ["b", "c", "e"]);
> diff = ["a"]Compare elements in all inputs and gets the difference.
function compareBoth<T>(...args: T[][])const allDiff = compareBoth(["a", "b", "c"], ["b", "c", "e"]);
> allDiff = ["a", "e"]Flatten an array
function flatten<T>(unFlatten: T[])const flattened = flatten([[1, [2, 3]], [1, [2, 3]], 0]);
> flattened = [1, 2, 3, 1, 2, 3, 0]Convert an input to array
function flatten<T>(unFlatten: T[])const array = toArray("a");
> array = ["a"]npm testThis project is licensed under the MIT
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