International Morse Code Encryption

/*
Description:
Write a function that will encrypt a given sentence into International Morse Code, both the input and out puts will be strings.

Characters should be separated by a single space. Words should be separated by a triple space.

For example, "HELLO WORLD" should return -> ".... . .-.. .-.. --- .-- --- .-. .-.. -.."

To find out more about Morse Code follow this link: https://en.wikipedia.org/wiki/Morse_code

A preloaded object/dictionary/hash called CHAR_TO_MORSE will be provided to help convert characters to Morse Code.
*/

const encryption = message => [...message].map(v => CHAR_TO_MORSE[v] || v).join(' ');