cardboardbox/cmds_SharpBot/Fun/leet.js
2019-12-13 09:13:45 -05:00

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/*
Generating the inverse replacements isnt insanely expensive,
but I feel bad repeating an O(n) operation on every call of run
*/
let _inverseReplacementsCached = null;
const getInverseReplacements = replacements => {
if (_inverseReplacementsCached) {
return _inverseReplacementsCached;
}
const inverseReplacements = new Map();
Object.keys(replacements)
.map(letter => {
replacements[letter].forEach(replacement => {
inverseReplacements.set(new RegExp(global.utils.quoteRegex(replacement), 'gi'), letter);
});
});
_inverseReplacementsCached = inverseReplacements;
return inverseReplacements;
};
exports.run = function (bot, message, args) {
const parsedArgs = bot.utils.parseArgs(args, ['e', 't']);
if (parsedArgs.leftover.length < 1) {
throw 'Provide text to be leeted.';
}
let parsed;
if (parsedArgs.options.e) {
const extendedLeetReplacements = {
'a': ['4', '@', '/-\\', 'Д'],
'b': ['ß'],
'c': ['¢', '©'],
'e': ['3', '€'],
'f': ['ph', 'ƒ'],
'g': ['6'],
'i': ['1', '!'],
'l': ['7'],
'n': ['И', 'ท'],
'q': ['Ø'],
'r': ['®', 'Я'],
's': ['5', '$', '§'],
't': ['†'],
'u': ['|_|', 'µ', 'บ'],
'v': ['\\/'],
'w': ['\\/\\/', 'VV', 'Ш', 'พ'],
'x': ['Ж', '×'],
'y': ['¥']
};
const inverseReplacements = getInverseReplacements(extendedLeetReplacements);
if (parsedArgs.options.t) {
parsed = parsedArgs.leftover.join(' ');
for (let [replacement, origValue] of inverseReplacements) {
parsed = parsed.replace(replacement, origValue);
}
} else {
parsed = parsedArgs.leftover
.join(' ')
.replace(/[a-z]/gi, str => {
let selection = bot.utils.randomSelection(extendedLeetReplacements[str.toLowerCase()] || [str]);
selection = bot.utils.quoteRegex(selection);
return selection;
});
}
} else {
const simpleLeetReplacements = '4BCD3F6H1JKLMN0PQR57';
if (parsedArgs.options.t) {
parsed = parsedArgs.leftover.join(' ').replace(/[a-z0-9]/g, function (a) {
let foundInReplacements = simpleLeetReplacements.indexOf(a);
if (foundInReplacements === -1) {
return a;
}
return String.fromCharCode(97 + foundInReplacements);
});
} else {
parsed = parsedArgs.leftover.join(' ').replace(/[a-z]/g, function f(a) {
return simpleLeetReplacements[parseInt(a, 36) - 10] || a.replace(/[a-t]/gi, f);
}).toLowerCase();
}
}
message.delete();
message.channel.send(parsed);
};
exports.info = {
name: 'leet',
usage: 'leet <text>',
description: 'Talk like true gamers',
options: [
{
name: '-e',
usage: '-e',
description: 'Use extended l33t $p3@k'
},
{
name: '-t',
usage: '-t',
description: 'Translate from leet speak into English'
}
]
};