dbd.db/lib/util/find.js

A Lightweight Schema-Free Object-Oriented LocalDatabase for Development and Production Purpose

const clonedeep = require('rfdc')()
const isEqual = require('./isEqual')
const parseArray = require('./parseArray')

async function findData(array, filter, max, json) {
	const keys = Object.keys(filter)

	const filtered = []

	let i = 0

	filter:
	while (i < array.length) {
		if (i > max) break

		for (const key of keys) {
			if (Array.isArray(filter[key]) && Array.isArray(array[i][key])) {
				const res = await parseArray(filter[key], array[i][key])

				if (!res) {
					i++

					continue filter
				}
			} else if (filter[key] instanceof Object && array[i][key] instanceof Object) {
				const res = isEqual(filter[key], Object.keys(filter[key], array[i][key]))

				if (!res) {
					i++
					
					continue filter
				}
			} else if (filter[key] !== array[i][key]) {
				i++

				continue filter
			}
		}

		filtered.push(array[i])

		i++
	}
  
	return filtered.length ? clonedeep(filtered) : []
}

module.exports = findData