number-format-analyzer

Analyzes a list of numbers to be able to output them formatted as a list as good as possible aligned at the decimal separator

Installation

npm install --save number-format-analyzer

Usage

import numberListAnalyzer from 'numberListAnalyzer';
const numbers: number[] = [
  1,
  1.5
  12,
  1.567,
  3.1462e-5
]

const numberFormatConfig = numberListAnalyzer(numbers)
console.log(numberFormatConfig.integerLength)
console.log(numberFormatConfig.fractionalLength)
console.log(numberFormatConfig.totalLength)

->
2 // two digit of 12
9 // 4 fractional digits and the exponent of -5
12 // all digits and the decimal separator

The values could be used to output the numbers like that:

   1
   1.5
  12
   1.567
   0.000031462

The totalLength allows the user to change the fractionalLength and the integerLength in the postprocessing. The totalLengthwould return the changed value. This could be user to limit the number of fractional digit to specific maximum.

You could change the fractionalLength of the above example to limit the fractionalLength to 5 digist. The totalLength would change to 7

numberFormatConfig.fractionalLength = Math.min(numberFormatConfig.fractionalLength, 5);
console.log(numberFormatConfig.totalLength);
->
7