0.4.0 • Published 6 years ago
hashtabler.js v0.4.0
Hashtabler.js
This library include a hash table
Methods
/**
* Insert object
*
* @param {Object} object
* @param {String} key
* @returns {string} key
*/
insert(object, key = null);
/**
* Find key
*
* @param {String} key
* @returns {Object|undefined} Returns the object if key exists.
*/
get(key);
/**
* Return true if key exists
*
* @param {String} key
* @returns {boolean}
*/
existsKey(key);
/**
* Calculate new key
*
* @param {Object} object
* @returns {String}
*/
calculateKey(object);
/**
* Delete object
*
* @param {String} key
* @returns {boolean} Returns true if key are deleted.
*/
delete(key);
/**
* Delete all objects
*
* @returns {boolean}
*/
clear();
Example
const { Hashtabler } = require('hashtabler');
let table = new Hashtabler();
let person1 = {
name: 'Ricardo',
age: 26
};
let person2 = {
name: 'John',
age: 32
};
let key1 = table.insert(person1);
console.log(key1); //87c7219c3741dc3a2019fbc9c30c1d846168bd6f
let key2 = table.insert(person2);
console.log(key2); //02f6a83a50b673a00a444f04008711e0f86f1451
let list = table.get(key1);
for (let item of list) {
console.log(item); //{ name: 'Ricardo', age: 26 }
}
table.delete(key1);
console.log(table.get(key1)); //undefined
let key = table.insert(person2, 'PRS:{2}');
console.log(key); //{ name: 'Ricardo', age: 26 }
list = table.get(key);
for (let item of list) {
console.log(item); //{ name: 'John', age: 32 }
}