From 2078f584227c7b92cabd279a88123e0a6e38f454 Mon Sep 17 00:00:00 2001 From: bernd32 Date: Sat, 16 Apr 2022 03:04:27 +0500 Subject: [PATCH] initial commit --- index.html | 70 ++++++++++++++++++++++ wordgen.js | 166 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 236 insertions(+) create mode 100644 index.html create mode 100644 wordgen.js diff --git a/index.html b/index.html new file mode 100644 index 0000000..b603f89 --- /dev/null +++ b/index.html @@ -0,0 +1,70 @@ + + + + + + Nickname generator + + + + +

Nickname generator

+
+ Length min: + + Length max: + +

+ Number of items: + +

+ +
+ + + + + + \ No newline at end of file diff --git a/wordgen.js b/wordgen.js new file mode 100644 index 0000000..ec7a8d5 --- /dev/null +++ b/wordgen.js @@ -0,0 +1,166 @@ +const form = document.querySelector('form'); +const lengthMax = document.getElementById('length-max'); +const lenghtMin = document.getElementById('length-min'); +const numberOfItems = document.getElementById('number-of-items'); +const resultList = document.getElementById('result-list'); // + +form.addEventListener('submit', event => { + event.preventDefault(); + resultList.innerHTML = ''; + console.log(length); + const wordList = getArrayWithRandomWords( + numberOfItems.value, lenghtMin.value, lengthMax.value + ); + for (let i = 0; i < wordList.length; i++) { + resultList.insertAdjacentHTML('afterbegin', `
  • ${wordList[i]}
    • `); + } +}); + +const consonantsWithWeights = { + 'b': 1.54, + 'c': 2.73, + 'd': 4.14, + 'f': 2.03, + 'g': 1.92, + 'h': 6.11, + 'j': 0.23, + 'k': 0.87, + 'l': 4.24, + 'm': 2.53, + 'n': 6.80, + 'p': 1.66, + 'q': 0.09, + 'r': 5.68, + 's': 6.11, + 't': 9.37, + 'v': 1.06, + 'w': 2.34, + 'x': 0.20, + 'y': 2.04, + 'z': 0.06, + 'th': 3.99, +}; + +const vowelsWithWeights = { + 'a': 8.34, + 'e': 12.60, + 'i': 6.71, + 'o': 7.70, + 'u': 2.85, + 'y': 2.04, + 'ae': 1.4 +}; + +/** + * Picks the random item (a letter in our case) based on its weight. + * The items with higher weight will be picked more often (with a higher probability). + * + * @param {any[]} items + * @param {number[]} weights + * @returns {{item: any, index: number}} + */ + + + +function weightedRandom(items, weights) { + if (items.length !== weights.length) { + throw new Error('Items and weights must be of the same size'); + } + + if (!items.length) { + throw new Error('Items must not be empty'); + } + const cumulativeWeights = []; + for (let i = 0; i < weights.length; i += 1) { + cumulativeWeights[i] = weights[i] + (cumulativeWeights[i - 1] || 0); + } + + const maxCumulativeWeight = cumulativeWeights[cumulativeWeights.length - 1]; + + const randomNumber = maxCumulativeWeight * Math.random(); + + for (let itemIndex = 0; itemIndex < items.length; itemIndex += 1) { + if (cumulativeWeights[itemIndex] >= randomNumber) { + return items[itemIndex]; + } + } +} + +function getRandomInt(min, max) { + min = Math.ceil(min); + max = Math.floor(max); + return Math.floor(Math.random() * (max - min + 1)) + min; +} + +function addConsonant() { + const letters = Object.keys(consonantsWithWeights); + const weights = Object.values(consonantsWithWeights); + return weightedRandom(letters, weights); +} + +function addVowel() { + const letters = Object.keys(vowelsWithWeights); + const weights = Object.values(vowelsWithWeights); + return weightedRandom(letters, weights); +} + +function getRandomWord(len = 5, consonantsInWord = 0.5) { + let wordGen = ''; + let skipConsotant = cons => Math.random() > cons ? true : false; + let isDigram = letter => letter.length == 2 ? true : false; + + let vowelCounter = 0, + consonantCounter = 0; + + for (let i = 0; i < len; i++) { + if (skipConsotant(consonantsInWord)) { + const vowel = addVowel(); + // skipping a vowel if we already have 2 vowels in row + if (vowelCounter >= 2) { + i -= 1; + continue; + } else { + if (isDigram(vowel)) { + i += 1; + vowelCounter += 1; + } + wordGen += vowel; + vowelCounter += 1; + consonantCounter = 0; + } + } else { + const consonant = addConsonant(); + if (consonantCounter >= 1 && i == 1) { + i -= 1; + continue; + } + // skipping a consonant if we already have 2 consonants in row + if (consonantCounter >= 2) { + i -= 1; + continue; + } else { + // for digram letters like 'sh', 'th' etc. + if (isDigram(consonant)) { + i += 1; + consonantCounter += 1; + } + wordGen += consonant; + consonantCounter += 1; + vowelCounter = 0; + } + } + } + return wordGen; +} +/** + * @param {number} n number of words to generate + * @param {number} min minimum length of a word + * @param {number} max maximum length of a word + */ +function getArrayWithRandomWords(n = 10, min = 3, max = 7) { + let words = []; + for (let i = 0; i < n; i++) { + words.push(getRandomWord(getRandomInt(min, max), 0.6)); + } + return words; +} \ No newline at end of file