textiijs

Text inverted index generator for node.

• excludes "stop words"
• normalize words with porter-stemmer
• converts words to lowercase
• excludes words of length less than a specified value - default: 3
• reports word's position within a text file counting excluded ones
• supports section indexing
• splits text with regexp word separator - default: /\W+/
• supports text encoding - default: 'utf8'

Installation

via npm:

$ npm install textiijs

Usage

No options and section given

var textii = require('textiijs'),
    sample_text = "Zero, one and three or five, six, seven... seven...";

var pii = new textii(sample_text, null, function(err, data) {
  if (err) {
    return console.log("Error: " + err);
  }
  console.log(data);
});

pii.get();

With options and section given

var textii = require('textiijs'),
    sample_text = "Zero, one and three or five, six, seven... seven...",
    options = { "word_separator": /\W+/, "min_word_length": 3, "encoding": "utf8" },
    get_options = { "section": "page1" };

var pii = new textii(sample_text, options, function(err, data) {
  if (err) {
    return console.log("Error: " + err);
  }
  console.log(data);
});

pii.get(get_options);

Tests

$ make test

Coverage report

$ make test-cov