Wordle Finder

wordle_finder.js

// Use on https://raw.githubusercontent.com/chidiwilliams/wordle/main/src/data/words.json
let dataURL = 'https://raw.githubusercontent.com/chidiwilliams/wordle/main/src/data/words.json';
let preTag, all;
async function getData() {
  if(window.location.href == dataURL) {
    preTag = document.querySelector('pre');
    all = JSON.parse(preTag.textContent);
  } else {
    const response = await fetch(dataURL);
    const words = await response.json();
    all = words;
  }
}
getData();

/**
 * Filters the all array to return only the wordles that match the given criteria.
 * @param excludedLetters String of letters to exclude from the wordle.
 * @param includedLetters String of letters to include in the wordle.
 * @param positionalChecks Function that takes a item and returns true if it passes the positional checks. e.g. (item) => item[0] === 'a' && item[1] === 'b'
 * @returns String[] of possible wordles.
 */
function getPossibleWordles(excludedLetters, includedLetters, positionalChecks){
  let filtered = all.filter((item) => {
    for(let excluded of excludedLetters){
      if(item.includes(excluded)){
          return false;
      }
    }
    for(let included of includedLetters){
      if(!item.includes(included)){
          return false;
      }
    }
    return (positionalChecks(item));
  })
  return filtered;
}