Lavash.Rx.String (Lavash v0.3.0-rc.2)

String utility functions that transpile to JavaScript.

These functions extend Elixir's String module with operations that have clean JavaScript equivalents, making them suitable for use in rx() expressions.

Usage

Import this module in your LiveView to use these functions in calculations:

import Lavash.String

calculate :card_number_formatted,
  rx(String.chunk(@card_number_digits, 4) |> Enum.join(" "))

Available Functions

chunk/2 - Split a string into chunks of a given size

Summary

Functions

chunk(string, size)

Splits a string into chunks of the given size.

Functions

chunk(string, size)

@spec chunk(String.t(), pos_integer()) :: [String.t()]

Splits a string into chunks of the given size.

Returns a list of strings, each at most size characters long. The last chunk may be shorter if the string length isn't evenly divisible.

Examples

iex> Lavash.String.chunk("12345678", 4)
["1234", "5678"]

iex> Lavash.String.chunk("123456789", 4)
["1234", "5678", "9"]

iex> Lavash.String.chunk("", 4)
[]

JavaScript Equivalent

This transpiles to:

str.match(/.{1,4}/g) || []