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const stringToExecute = 'sos'; | |
const button = { | |
keyUp: () => console.log('up'), | |
keyDown: () => console.log('down'), | |
} | |
////////////////////////////////////////// | |
const app = { | |
morsers: { | |
me: { | |
keyDown: () => console.log('down'), | |
keyUp: () => console.log('up'), | |
} | |
} | |
} | |
const morseAlphabet = { | |
'a': '.-', | |
'b': '-...', | |
'c': '-.-.', | |
'd': '-..', | |
'e': '.', | |
'f': '..-.', | |
'g': '--.', | |
'h': '....', | |
'i': '..', | |
'j': '.---', | |
'k': '-.-', | |
'l': '.-..', | |
'm': '--', | |
'n': '-.', | |
'o': '---', | |
'p': '.--.', | |
'q': '--.-', | |
'r': '.-.', | |
's': '...', | |
't': '-', | |
'u': '..-', | |
'v': '...-', | |
'w': '.--', | |
'x': '-..-', | |
'y': '-.--', | |
'z': '--..', | |
'0': '-----', | |
'1': '.----', | |
'2': '..---', | |
'3': '...--', | |
'4': '....-', | |
'5': '.....', | |
'6': '-....', | |
'7': '--...', | |
'8': '---..', | |
'9': '----.', | |
'.': '.-.-.-', | |
',': '--..--', | |
':': '---...', | |
'?': '..--..', | |
'\'': '.----.', | |
'-': '-....-', | |
'/': '-..-.', | |
'"': '.-..-.', | |
'@': '.--.-.', | |
'=': '-...-', | |
'!': '---.', | |
' ': ' ', | |
} | |
const beepOptions = { | |
'.': () => makeSound(50), | |
'-': () => makeSound(150), | |
' ': () => makeSilence(2000), | |
} | |
const makeSilence = (delay) => | |
new Promise( (resolve) => | |
setTimeout(resolve, delay) | |
) | |
const makeSound = (delay) => | |
new Promise( (resolve) => { | |
button.keyDown() | |
setTimeout(() => { | |
button.keyUp() | |
resolve() | |
}, delay) | |
}) | |
const beepString = (string) => | |
string.split('') | |
.reduce( | |
(promise, character) => | |
promise | |
.then(beepOptions[character]), | |
Promise.resolve() | |
) | |
const stringToBeepString = (string) => | |
string | |
.toLowerCase() | |
.split('') | |
.map( (character) => morseAlphabet[character] ) | |
.join('') | |
.trim() | |
Promise.resolve(stringToExecute) | |
.then(stringToBeepString) | |
.then(beepString) |
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