69 lines
1.9 KiB
JavaScript
69 lines
1.9 KiB
JavaScript
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function randomizeTeams() {
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let teamCount = 2;
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if(document.getElementById("threeTeams").checked){
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teamCount = 3;
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}
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if(document.getElementById("nTeams").checked){
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teamCount = document.getElementById("nTeamsTextField").value;
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}
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const outputField = document.getElementById("teamOutput");
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let textinput = document.getElementById("playerNames").value;
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let names = textinput
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.split('\n')
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.map(function(str){return str.trim();})
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.filter(function(str){return str}); // boolean interpretation is same as non-empty
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// remove duplicates by using a Set
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names = [...new Set(names)];
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teams = Array.from({ length: teamCount }, () => []);
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playersPerTeam = Math.floor(names.length / teamCount);
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let nameslen = names.length;
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iterator = iter(teams);
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for(let i =0; i < nameslen; i++){
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index = Math.floor(Math.random()* names.length);
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n = names[index];
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names.splice(index,1);
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team = iterator.next().value;
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team.push(n);
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}
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outputField.innerHTML = teamstotext(teams)
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}
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function teamstotext(teams){
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textinput = "";
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for(let i =0; i < teams.length; i++){
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textinput += `Team${i+1}(${teams[i].length}) :${teamtotext(teams[i])} <br>`;
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}
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return textinput;
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}
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function teamtotext(team){
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return team;
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}
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function* iter(list){
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let index = 0;
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while(true){
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yield list[index % list.length];
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index++;
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}
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}
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function textchangelistener(){
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let elem = document.getElementById("nTeamsTextField");
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if(this.checked && this.id == "nTeams"){
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elem.style.display = "block";
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}
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else {
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elem.style.display = "none";
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}
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}
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document.addEventListener('DOMContentLoaded', () => {
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buttons = document.querySelectorAll("input[type='radio']");
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buttons.forEach((x) => x.addEventListener("change", textchangelistener));
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});
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