Collections

Javascript collection helper methods.

Installation

npm i @lbagic/collections

Example usage

import { collection } from "@lbagic/collections";

const data = [
  { id: 1, type: "Odd" },
  { id: 2, type: "Odd" },
  { id: 3, type: "Odd" },
];

collection.add(data, [
  { id: 2, type: "Even" },
  { id: 4, type: "Even" },
]);
// @returns [
//   { id: 1, type: "Odd" },
//   { id: 2, type: "Even" },
//   { id: 3, type: "Odd" }
//   { id: 4, type: "Even" }
// ]

collection.remove(data, 4);
collection.remove(data, { id: 4 });
// @returns [
//   { id: 1, type: "Odd" },
//   { id: 2, type: "Even" },
//   { id: 3, type: "Odd" }
// ]

collection.findOne(data, 2);
collection.findOne(data, { id: 2 });
// @returns { id: 2, type: "Even" }

collection.findMany(data, "Odd", "type");
collection.findMany(data, { type: "Odd" });
// @returns [
//   { id: 1, type: "Odd" },
//   { id: 3, type: "Odd" }
// ]

Documentation

Source parameter expects array of objects.
Functions support curried first parameter.
Identifier defaults to id.

Function	Parameters	Returns	Mutates
add	source, item, identifier?	item[]	✅
add	source, items, identifier?	item[]	✅
remove	source, id, identifier?	item[]	✅
remove	source, ids, identifier?	item[]	✅
remove	source, item	item[]	✅
remove	source, items	item[]	✅
findOne	source, id, identifier?	item | undefined	❌
findOne	source, item	item | undefined	❌
findMany	source, id, identifier?	item[]	❌
findMany	source, ids, identifier?	item[]	❌
findMany	source, item	item[]	❌
findMany	source, items	item[]	❌