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README.md

nano-prettify

Prettify / format Nano (formally RaiBlocks) Raw amounts to be more human-readable. Format amounts in any Nano compatible unit e.g. unano, Gnano etc.... Adds decimal point and commas where necessary. Raw amounts are commonly returned when interacting with a Nano node.

e.g. Raw amount "2100176034320859259343606608761791" becomes "2,100.176034"

Install

npm install --save nano-prettify

Include in scripts

// require
var nanoPrettify = require('nano-prettify').nanoPrettify

// require (ES6 version)
const { nanoPrettify } = require('nano-prettify')

// import
import nanoPrettify from 'nano-prettify'

Usage Example

nanoPrettify("2100176034320859259343606608761791")
// "2,100.176034"

Note

nano-prettify works with strings only. If you need to deal with numbers you can try converting a returned result to a numeric format using parseInt or parseFloat where applicable.

API

nanoPrettify(raw, config <optional>)

Parameters

raw (string) - The Raw amount to format. This is commonly returned when performing API calls to a Nano node e.g. "2100176034320859259343606608761791"

config (object) <optional> - Configuration for the returned result. The configurations are:

  • unit (Possible values: 'raw', 'unano', 'mnano', 'nano', 'knano', 'Mnano', 'Gnano') - Specify which Nano unit is used to prettify the Raw amount. Default unit is 'Mnano'.
  • commas (boolean) - Choose whether or not to display commas where necessary e.g. "1,000,000.000000". Default: true
  • decimals (boolean) - Choose whether or not to display decimal places. Default: true
  • decimalPlaces (number) - Number of decimal places to display. Default is 6. Enter 0 to show all decimal places.

Examples

Prettify a Raw amount

nanoPrettify("2100176034320859259343606608761791")
// Result: "2,100.176034"

Prettify a Raw amount using the 'nano' unit (overridiing the default unit 'Mnano')

nanoPrettify("2100176034320859259343606608761791", { unit: 'nano' })
// Result: "2,100,176,034.320859"

Prettify a Raw amount without commas

nanoPrettify("2100176034320859259343606608761791", { commas: false })
// Result: "2100.176034"

Prettify a Raw amount without decimal places

nanoPrettify("2100176034320859259343606608761791", { decimals: false })
// Result: "2,100"

Prettify a Raw amount with 10 decimal places (overriding the default of 6 decimal places)

nanoPrettify("2100176034320859259343606608761791", { decimalPlaces: 10 })
// Result: "2,100.1760343208"

Prettify a Raw amount using a combination of configurations

nanoPrettify("2100176034320859259343606608761791", 
  {
    commas: false,
    decimals: true,
    unit: 'nano',
    decimalPlaces: 10
  }
)
// Result: "2100176034.3208592593"

Tests

/* run this command inside nano-prettify's
   node_modules folder */

npm run test

Feedback

Pull requests and opened issues are welcome!

License

MIT

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Format Nano (formally RaiBlocks) raw amounts to be more human-readable.

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