/**
* Evaluates an expression
*
* @param {String} expression
* @returns {String}
*/
function evaluateExpression (expression, functionIdentifier, call) {
if (stack++ > MAX_STACK) {
stack = 0
throw new Error("Call stack overflow for " + call)
}
if (expression === "") {
throw new Error(functionIdentifier + "(): '" + call + "' must contain a non-whitespace string")
}
expression = evaluateNestedExpression(expression, call)
var units = getUnitsInExpression(expression)
// If the expression contains multiple units or CSS variables,
// then let the expression be (i.e. browser calc())
if (units.length > 1 || expression.indexOf("var(") > -1) {
return functionIdentifier + "(" + expression + ")"
}
var unit = units[0] || ""
if (unit === "%") {
// Convert percentages to numbers, to handle expressions like: 50% * 50% (will become: 25%):
// console.log(expression)
expression = expression.replace(/\b[0-9\.]+%/g, function(percent) {
return parseFloat(percent.slice(0, -1)) * 0.01
})
}
// Remove units in expression:
var toEvaluate = expression.replace(new RegExp(unit, "gi"), "")
var result
try {
result = mexp.eval(toEvaluate)
}
catch (e) {
return functionIdentifier + "(" + expression + ")"
}
// Transform back to a percentage result:
if (unit === "%") {
result *= 100
}
// adjust rounding shit
// (0.1 * 0.2 === 0.020000000000000004)
if (functionIdentifier.length || unit === "%") {
result = Math.round(result * decimalPrecision) / decimalPrecision
}
// Add unit
result += unit
return result
}
exports.run = function(client, message, args) {
var soru = args.join(' ');
if(!soru) return message.reply('Bir işlem belirtin. **Doğru Kullanım**: ?hesapla <işlem>')
else { let cevap;
try {
cevap = math.eval(soru)
} catch(err) {
message.channel.send('Hatalı işlem: **' + err)
}
const embed = new Discord.RichEmbed()
.addField('Soru', soru)
.addField('Cevap', cevap)
message.channel.send(embed)
}
};