useful_utils library

Functions

capitalize(String value) → String

Capitalize first letter

fixedDecimais({required dynamic value, required int decimalPlaces}) → double

Fixed decimals and return the double value If the input value is a string or int, convert it to double before

isEven(dynamic value) → bool

Check if number is even and return a bool

isOdd(dynamic value) → bool

Check if number is odd and return a bool

lowerAndCapitalize(String value) → String

lower entire word and capitalize first letter

lowerAndCapitalizeAllWords(String value) → String

lower all text and capitalize all words

percentage({required dynamic value, required dynamic total, int? round}) → double

Calculate the percentage of a number, and round the result if pass the optional parameter

percentageReverse({required dynamic percentage, required dynamic total, int? round}) → double

Discovery value from percentage of a number, and round the result if pass the optional parameter

randomInt({required int min, required int max}) → int

expect a min and max number and return a random number between them

remap(double value, double start1, double stop1, double start2, double stop2) → double

This funcion is like a lerp and unlerp, but is general. Its expect a number and a range for interpolate, after the result is interpolated with a second range

toDouble(dynamic value) → double

Convert a string or int to double and returns the double value Throws a Error if cant be converted

tryToDouble(dynamic value) → double?

Convert a string or int to double and returns the double value Returns null if cant be converted