Hash for fun

hash.js

const inputs = [
  'Bonjour monsieur Dupont ! Comment allez-vous ?..',
  'Bonjour monsieur Dupont ! Comment allez-vous ?',
  'Bonjour monsieur Dupond ! Comment allez-vous ?',
  'test',
  'testt',
  'tests',
  'a',
  'A',
  'B',
  'C',
  '',
];

const hash = (input) => {
	const chars = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'A', 'B', 'C', 'D', 'E', 'F'];
	const outputSize = 32;
	const output = Array.apply(null, { length: outputSize }).map(() => 0);

	const inputNumbers = input.split('').map((c, i) => input.charCodeAt(i));
	const firstSum = (inputNumbers.reduce((acc, v) => acc + v, 0) + inputNumbers.length) % (outputSize + 1);

	while (inputNumbers.length < outputSize) {
		const index = inputNumbers[outputSize % inputNumbers.length] % inputNumbers.length;
		const newData = inputNumbers[index] || 0;

		inputNumbers.push(newData + inputNumbers.length);
	}

	while (inputNumbers.length) {
		for (let i = 0; i < outputSize && inputNumbers.length > 0; i++) {
			output[i] += inputNumbers.pop() + firstSum;
		}
	}

	return output.map(c => chars[c % chars.length]).join('');
}
console.log(inputs.map(input => ({ output: hash(input), input })));

const start = Date.now();
const getDelta = () => (Date.now() - start) / 1000;

const hashes = [];
const charMax = Math.pow(2, 16);
for (let i = 0; i < charMax; i++) {
	hashes.push(hash(String.fromCharCode(i)));
}

console.log(hashes);
console.log(`Generated in ${getDelta()} seconds`);

const showProgress = i => {
	i += 1;
	const percent = i / charMax * 100;
	console.log(`${i}/${charMax}\t`, Math.round(percent * 100) / 100 + '%\t', getDelta() + 's');
};

for (let i = 0; i < charMax; i++) {
	const needle = hashes.pop();
	for (let j = 0; j < hashes.length; j++) {
		if (hashes[j] == needle) {
			console.log('Conflict found', i);
			process.exit(1);	
		}
	}

	if (i % 1000 == 0) {
		showProgress(i);
	}
}

showProgress(charMax - 1);
console.log('No conflict found!');