mathildebuenerd / node-sentiment

AFINN-based multilanguage sentiment text and emojis analysis for Node.js

node-sentiment

Text and emojis sentiment analysis for Node.js

Sentiment is a Node.js module that uses the AFINN-111 wordlist to perform sentiment analysis on arbitrary blocks of input text.

Multilanguage, only full support for english and french (PR contributions are welcome)

He has full support on emoji analysis.

Language detection if not provided at call.

Sentiment analysis is suitable at a sentence level, for long strings, please tokenize sentences and use sentiment on every chunk.

This project is a fork of the original sentiment project: https://github.com/thisandagain/sentiment

Usage

Installation

npm install node-sentiment --save

// Require the node-sentiment module
var sentiment = require('node-sentiment');

// Use the module to get sentiment from texts.

// Vote: 'negative'
console.dir(sentiment('Cats are stupid.','en'));

// Vote: 'negative' and english detected
console.dir(sentiment('Cats are stupid.'));

// Vote: 'positive', english detected and negation detected
console.dir(sentiment('Cats are not so stupid.'));

// Vote: 'positive'
console.dir(sentiment('Cats are totally amazing! ♥','en'));

// Vote: 'negative'
console.dir(sentiment('I gatti sono stupidi. 😭','it'));

// Sample response for "Seems somebody had a good meal! @wildelifeanimal #lion #safari #cats #wildlife #Africa #adventure #offroad https://t.co/6cX7hAlrYY ♥"
{
  score: 8,
  comparative: 0.5,
  vote: 'positive',
  tokens:
   [ 'seems',
     'somebody',
     'had',
     'a',
     'good',
     'meal',
     '@wildelifeanimal',
     'lion',
     'safari',
     'cats',
     'wildlife',
     'africa',
     'adventure',
     'offroad',
     'httpstco6cx7halryy',
     '♥' ],
  words: [ '♥', 'adventure', 'good' ],
  positive: [ '♥', 'adventure', 'good' ],
  negative: [],
  language: 'en'
}

You can also play with node-sentiment in a terminal.

node cli.js "Cats are not so cool..."

Test

npm test

Changelog

18/07/2017 Minor release 0.0.5

Whole code review Basic CLI interface added and project renamed to node-sentiment for npm package

17/07/2017 Minor release 0.0.4

Negation detection fix Language detection feature POC added