RosettaCodeData/Task/The-Name-Game/JavaScript/the-name-game.js

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function singNameGame(name) {
// normalize name
name = name.toLowerCase();
name = name[0].toUpperCase() + name.slice(1);
// ... and sometimes y
// let's pray this works
let firstVowelPos = (function() {
let vowels =
'aeiouàáâãäåæèéêëìíîïòóôõöøùúûüāăąēĕėęěĩīĭįıijōŏőœũūŭůűų'
.split('');
function isVowel(char) {
return vowels.indexOf(char) >= 0;
}
if (isVowel(name[0].toLowerCase())) return 0;
if (name[0] == 'Y' && !isVowel(name[1])) return 0;
if (name[0] == 'Y' && isVowel(name[1])) return 1;
vowels = vowels.concat(vowels, 'yÿý'.split(''));
for (let i = 1; i < name.length; i++)
if (isVowel(name[i])) return i;
})();
let init = name[0].toLowerCase(),
trunk = name.slice(firstVowelPos).toLowerCase(),
b = trunk, f = trunk, m = trunk;
switch (init) {
case 'b': f = 'f' + trunk; m = 'm' + trunk; break;
case 'f': b = 'b' + trunk; m = 'm' + trunk; break;
case 'm': b = 'b' + trunk; f = 'f' + trunk; break;
default: b = 'b' + trunk; f = 'f' + trunk; m = 'm' + trunk;
}
return `
<p>${name}, ${name}, bo-${b}<br>
Banana-fana fo-${f}<br>
Fee-fi-fo-mo-${m}<br>
${name}!<br></p>
`
}
// testing
let names =
'Gary Earl Billy Felix Mary Christine Brian Yvonne Yannick'.split(' ');
for (let i = 0; i < names.length; i++)
document.write(singNameGame(names[i]));