Recomm.js

Recomm.js is a javascript library used to build recommendation systems, using Content-Based Filtering System.

Install

With npm

npm i recomm.js

With yarn

yarn add recomm.js

Usage

1. Import

   ES6

   import { getSimilarPosts, SupportedLanguage } from "recomm.js";

   CommonJS

   const { getSimilarPosts, SupportedLanguage } = require("recomm.js");

2. Get items

   const results = getSimilarPosts(target, options);

Options

| Name | Type | Description | | ----------------------- | ----------------------------------- | ----------------------------------------------------------------- | | items | Array of objects | Array of items | | fields | Array of string | Array of fields | | language | SupportedLanguage | Language of items | | limit (optional) | Number (default: 10) | Items limit returned | | orderBy (optional) | "DESC" || "ASC" (default: "DESC") | Order of returned items | | returnFields (optional) | Array of string (default: []) | List of fields to be returned. By default, it returns all fields. |

Supported Languages

• Arabic
• Danish
• Dutch
• English
• Finnish
• French
• German
• Greek
• Hungarian
• Italian
• Portuguese
• Romanian
• Russian
• Spanish
• Swedish
• Turkish

Examples

const data = [
  {
    name: "Jenkins Cook",
    gender: "male",
    about: "Commodo Lorem ipsum dolore aute cupidatat.",
    tags: ["ex", "labore"],
    friends: [
      {
        id: 0,
        name: "Marilyn Wyatt",
      },
      {
        id: 1,
        name: "Juana Jennings",
      },
    ],
  },
  {
    name: "Elinor Rosales",
    gender: "female",
    about:
      "Do ipsum fugiat excepteur anim sit pariatur sunt ea proident dolore id dolore consectetur. Fugiat amet tempor laborum esse sint tempor enim consectetur laborum fugiat pariatur commodo culpa sunt.",
    tags: ["cupidatat"],
    friends: [
      {
        id: 0,
        name: "Molina Mckenzie",
      },
    ],
  },
  {
    name: "Obrien Walter",
    about: "In reprehenderit enim mollit proident aute anim ea.",
    tags: ["proident", "proident", "voluptate"],
    friends: [
      {
        id: 0,
        name: "Francis Wilkerson",
      },
      {
        id: 1,
        name: "Sanders Adams",
      },
    ],
  },
];

const target = {
  name: "Stacey Dixon",
  about:
    "Incididunt minim ea ad anim. Nisi voluptate ut occaecat laborum sint ullamco mollit aliquip ea exercitation.",
  tags: ["exercitation", "qui"],
  friends: [
    {
      id: 0,
      name: "Mable Pollard",
    },
    {
      id: 1,
      name: "Alisha Wagner",
    },
  ],
};
const options = {
  fields: ["name", "about", "tags.+", "friends.+.name"],
  items: data,
  language: SupportedLanguage.ENGLISH,
  returnFields: ["score"],
};

const results = getSimilarPosts(target, options);

console.log(results);

Notes

The field "fields" uses the library nested-property, for get items inside objects