elasticlunr/example/index_builder.js

Lightweight full-text search engine in Javascript for browser search and offline search.

var elasticlunr = require('./elasticlunr.js'),
    fs = require('fs');

var idx = elasticlunr(function () {
  this.setRef('id');

  this.addField('title');
  this.addField('tags');
  this.addField('body');
});

fs.readFile('./example/example_data.json', function (err, data) {
  if (err) throw err;

  var raw = JSON.parse(data);

  var questions = raw.questions.map(function (q) {
    return {
      id: q.question_id,
      title: q.title,
      body: q.body,
      tags: q.tags.join(' ')
    };
  });

  questions.forEach(function (question) {
    idx.addDoc(question);
  });

  fs.writeFile('./example/example_index.json', JSON.stringify(idx), function (err) {
    if (err) throw err;
    console.log('done');
  });
});