{
  _id: 'atpl4rqu8tzkt9',
  name: { first: 'John', last: 'Doe' },
  email: 'john@doe.com'
}

import { createCollection } from 'tinycollection';

// Create an empty collection
const collection = createCollection();

// Or create with initial data
const initialData = [{ name: 'Alice' }, { name: 'Bob' }];
const users = createCollection({ initialData });

async function main() {
  const users = createCollection();

  // Insert a document
  const [alice] = await users.insertOne({ name: 'Alice', age: 30 });
  console.log(alice);

  // Find documents
  const allUsers = await users.find().toArray();
  console.log(allUsers);
}

main();

// The result is an array containing the inserted document with its unique _id.
const [doc] = await collection.insertOne({ a: 1 });

// The result is an array of the inserted documents with their unique _ids.
const docs = await collection.insertMany([{ a: 1 }, { a: 2, b: 2 }]);

// The result is an array containing the updated document.
const [doc] = await collection.updateOne({ a: 1 }, { $set: { c: 'aaa' } });

// Find a document and update it, returning the original document by default.
const originalDoc = await collection.findOneAndUpdate(
  { a: 1 },
  { $set: { c: 'aaa' } }
);

// To return the new, updated document, use the `returnNewDocument` option.
const updatedDoc = await collection.findOneAndUpdate(
  { a: 1 },
  { $set: { c: 'bbb' } },
  { returnNewDocument: true }
);

// The result is an array of the updated documents.
const docs = await collection.updateMany(
  { a: { $gt: 1 } },
  { $set: { c: 'aaa' } }
);

// The result is the number of deleted documents (0 or 1).
const count = await collection.deleteOne({ a: 1 });

// The result is the number of deleted documents.
const count = await collection.deleteMany({ a: 1 });

// Get all documents
const allDocs = await collection.find().toArray();

// Get documents matching a query
const docs = await collection.find({ a: 1 }).toArray();

// Get documents, sorted by age descending
const sortedDocs = await collection.find({ a: 1 }).sort({ age: -1 }).toArray();

// Paginate results
const page2 = await collection.find().skip(10).limit(10).toArray();

// Get the first document matching a query, or null if none is found.
const doc = await collection.findOne({ a: 1 });

// Get the total number of documents in the collection.
const total = await collection.count();

// Get the number of documents matching a query.
const count = await collection.count({ a: 1 });

// Include only the 'name' and 'email' fields (_id is included by default)
const docs = await collection.find({}, { name: 1, email: 1 }).toArray();

// Exclude the 'age' field
const docsWithoutAge = await collection.find({}, { age: 0 }).toArray();

// Exclude _id
const docsWithoutId = await collection.find({}, { _id: 0, name: 1 }).toArray();

// Create an index on the 'age' field
await collection.createIndex({ age: 1 });

// Create a unique index to enforce that all values for 'email' are unique
await collection.createIndex({ email: 1 }, { unique: true });

collection.on('change', (changedDocs) => {
  console.log('Documents changed:', changedDocs);
});

collection.on('insert', (insertedDocs) => {
  console.log('Documents inserted:', insertedDocs);
});

// Fires only once
collection.one('update', (updatedDocs) => {
  console.log('First update:', updatedDocs);
});