hexo-related-posts/lib/text/groupWords.js

Hexo plugin that generates related posts list with TF/IDF algorithm

const groupWords = (words) => words.reduce((result, word) => {
    if (result[word]) {
        result[word] = result[word] + 1;
    } else {
        result[word] = 1;
    }

    return result;
}, {});

module.exports = groupWords;