Building Slack Bots

Stemmers

Sometimes, it is useful to find the root or stem of a word. In the English language, irregular verb conjugations are not uncommon. By deducing the root of a verb, we can dramatically decrease the amount of calculations needed to find the action of the phrase. Take the verb searching for example; for the purpose of bots, it would be much easier to process the verb in its root form search. Here, a stemmer can help us determine said root. Replace the contents of index.js with the following to demonstrate stemmers:

'use strict'; // import the natural library const natural = require('natural'); const Bot = require('./Bot'); // initialize the stemmer const stemmer = natural.PorterStemmer; // attach the stemmer to the prototype of String, enabling ...