sum-digits
Sums the digits in a string with a powerful substrings->digits feature.
Node Repository
https://www.npmjs.com/package/@pelevesque/sum-digits
Installation
npm install @pelevesque/sum-digits
Tests
| Command | Description |
|---|---|
npm test or npm run test
|
All Tests Below |
npm run cover |
Standard Style |
npm run standard |
Coverage |
npm run unit |
Unit Tests |
Usage
Parameters
str (required)
options (optional) default = { substringsToDigits = null, sumPlainDigits = true }Examples
const sumDigits = require('@pelevesque/sum-digits')// normal summing
sumDigits('1234') // 10// ignores non numeric characters
sumDigits('1a2!3_4.') // 10// you can provide a hash table of substrings to digits
const substringsToDigits = { a: 1, b: 2, c: 3 }
sumDigits('1a2b3ca', { substringsToDigits: substringsToDigits }) // 13// substrings can be of any length
const substringsToDigits = { '1p': 1000, panama: 100, nam: 10, 2: 1 }
sumDigits('1panama2', { substringsToDigits: substringsToDigits }) // 1114// you can bypass plain digit summing and only use substringsToDigits summing
const substringsToDigits = { '1p': 1000, panama: 100, nam: 10, 2: 1 }
sumDigits('1panama2', { substringsToDigits: substringsToDigits, sumPlainDigits: false}) // 1111