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Commit331a4d2

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feat: Ciphers/MorseCode Algorithm (TheAlgorithms#1315)
* [feat] New algorithm* [test] Add new test for ParityOutlier.js* [fix] Reset indentation* [fix] Reset indentation* [fix] Style changes* fix: improve code efficiency and a glitch* test: adds a new possible test case* fix: style fix* fix: delete redundant comments and else statements* [fix] style fix* feat: New algorithm* fix: fixed custom code symbols* test: add test for MorseCode* test: add case with custom code symbols* delete files from main branch* fix: style fix* fix: style fix* fix: delete unnecessary quotes
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‎Ciphers/MorseCode.js

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/**
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*@author mrmagic2020
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*@description Enciphers a combination of letters, numbers and symbols into morse code.
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*@see https://en.wikipedia.org/wiki/Morse_code
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*@param {string} msg The message to be enciphered.
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*@param {string} dot Symbol representing the dots.
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*@param {string} dash Symbol representing the dash.
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*@returns {string} Enciphered morse code.
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*@example morse('Hello World!') = '**** * *-** *-** --- *-- --- *-* *-** -** -*-*--'
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*/
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constmorse=(msg,dot='*',dash='-')=>{
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constkey={
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A:'*-',
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B:'-***',
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C:'-*-*',
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D:'-**',
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E:'*',
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F:'**-*',
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G:'--*',
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H:'****',
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I:'**',
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J:'*---',
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K:'-*-',
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L:'*-**',
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M:'--',
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N:'-*',
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O:'---',
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P:'*--*',
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Q:'--*-',
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R:'*-*',
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S:'***',
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T:'-',
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U:'**-',
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V:'***-',
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W:'*--',
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X:'-**-',
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Y:'-*--',
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Z:'--**',
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1:'*----',
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2:'**---',
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3:'***--',
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4:'****-',
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5:'*****',
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6:'-****',
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7:'--***',
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8:'---**',
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9:'----*',
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0:'-----',
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'.':'*-*-*-',
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',':'--**--',
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'?':'**--**',
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'!':'-*-*--',
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'\'':'*----*',
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'"':'*-**-*',
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'(':'-*--*',
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')':'-*--*-',
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'&':'*-***',
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':':'---***',
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';':'-*-*-*',
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'/':'-**-*',
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_:'**--*-',
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'=':'-***-',
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'+':'*-*-*',
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'-':'-****-',
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$:'***-**-',
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'@':'*--*-*'
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}
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letnewMsg=''
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msg.toString().split('').forEach((e)=>{
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if(/[a-zA-Z]/.test(e)){
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newMsg+=key[e.toUpperCase()].replaceAll('*',dot).replaceAll('-',dash)
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}elseif(Object.keys(key).includes(e)){
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newMsg+=key[e].replaceAll('*',dot).replaceAll('-',dash)
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}else{
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newMsg+=e
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}
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newMsg+=' '
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})
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returnnewMsg.trim()
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}
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export{morse}

‎Ciphers/test/MorseCode.test.js

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import{morse}from'../MorseCode'
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describe('Testing morse function',()=>{
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it('should return an enciphered string with a given input string',()=>{
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expect(morse('Hello World!')).toBe('**** * *-** *-** --- *-- --- *-* *-** -** -*-*--')
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expect(morse('1+1=2')).toBe('*---- *-*-* *---- -***- **---')
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})
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it('should leave symbols that does not have its corresponding morse representation',()=>{
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expect(morse('© 2023 GitHub, Inc.')).toBe('© **--- ----- **--- ***-- --* ** - **** **- -*** --**-- ** -* -*-* *-*-*-')
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})
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it('should be able to accept custom morse code symbols',()=>{
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expect(morse('Nodejs','.','|')).toBe('|. ||| |.. . .||| ...')
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})
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})

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