Top 9 Examples of "math-expression-evaluator in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'math-expression-evaluator' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
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
}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
}onKeyDown(event: React.KeyboardEvent) {
if (event.keyCode === 13) {
if (this.props.propertyInfo.type === PropertyType.Number) {
try {
var mexp = require("math-expression-evaluator");
const newValue = mexp.eval(this._value);
if (newValue !== undefined && newValue !== this._value) {
this.props.updateObject({
[this.props.propertyInfo.name]: newValue
});
}
} catch (err) {
console.error(err);
}
}
}
}utils.isValidMathExpression = function isValidMathExpression(userInput) {
try {
mathexp.eval(userInput);
return true;
}
catch(exception) {
return false;
}
}exports.run = (client, msg, args, lang) => {
if (args.length < 1) {
return msg.channel.send(lang.calculator_noinput);
}
const question = args.join(' ');
let answer;
try {
answer = math.eval(question);
} catch (err) {
return msg.channel.send(lang.calculator_invalid);
}
const embed = new Discord.RichEmbed()
.setDescription(`**${lang.calculator_calculation}**\n\`\`\`\n${question}\n\`\`\` **${lang.calculator_result}**\n\`\`\`\n${answer}\n\`\`\``)
.setAuthor(`${msg.author.tag}`, msg.author.displayAvatarURL)
.setColor('#0066CC');
msg.channel.send({ embed });
};let response;
try {
response = await msg.channel.awaitMessages(msg2 => msg.author.id === msg2.author.id, {
max: 1,
time: 7000,
errors: ['time']
});
} catch (error) {
let currentCredits = msg.client.provider.getUser(msg.author.id, 'credits');
currentCredits -= 10;
await msg.client.provider.setUser(msg.author.id, 'credits', currentCredits);
return msg.reply(lang.math_timepassed);
}
const mathCalculation = await math.eval(`${firstNumber} ${signs[sign]} ${secondNumber}`);
if (mathCalculation === Number(response.first().content)) {
const currentMathematics = msg.client.provider.getUser(msg.author.id, 'mathematics');
currentMathematics.points += 2;
await msg.client.provider.setUser(msg.author.id, 'mathematics', currentMathematics);
const mathLevel = Math.floor(1.5 * Math.sqrt(msg.client.provider.getUser(msg.author.id, 'mathematics').points + 1));
if (mathLevel > msg.client.provider.getUser(msg.author.id, 'mathematics').level) {
const currentMathematics2 = msg.client.provider.getUser(msg.author.id, 'mathematics');
currentMathematics2.level = mathLevel;
await msg.client.provider.setUser(msg.author.id, 'mathematics', currentMathematics2);
}
let currentCredits = msg.client.provider.getUser(msg.author.id, 'credits');
currentCredits += 15 + Math.floor(msg.client.provider.getUser(msg.author.id, 'mathematics').level / 5);
await msg.client.provider.setUser(msg.author.id, 'credits', currentCredits);exports.run = (bot, msg, args) => {
if (args.length < 1) {
throw 'You must provide a equation to be solved on the calculator';
}
const question = args.join(' ');
const answer = math.eval(question);
if (answer) {
msg.delete();
msg.channel.send({
embed: bot.utils.embed('', stripIndents`
**Equation:**\n\`\`\`\n${question}\n\`\`\`
**Answer:**\n\`\`\`\n${answer}\n\`\`\`
`)
}).catch(msg.error);
}
};utils.isIncompleteMathExpression = function isIncompleteMathExpression(userInput) {
try {
mathexp.eval(userInput);
return false;
}
catch(exception) {
if(exception.message === "complete the expression" && userInput !== '') {
return true;
}
}
}function onInput(query) {
let data = [];
if (this.term.startsWith('calc ') && query) {
this.render(query);
return;
}
try {
const result = mathexp.eval(this.str);
data = [
{
key: title,
icon: icon,
title: result,
desc: subtitle
}
];
} catch (e) {
data = null;
}
return Promise.resolve(data);
}