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feat: Ciphers/MorseCode Algorithm#1315
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fb9154d [feat] New algorithm
mrmagic2020791df98 [test] Add new test for ParityOutlier.js
mrmagic2020c7eeff2 [fix] Reset indentation
mrmagic20202d342dc [fix] Reset indentation
mrmagic2020568763d [fix] Style changes
mrmagic20206df2a72 fix: improve code efficiency and a glitch
mrmagic20208202eb1 test: adds a new possible test case
mrmagic20202dfc2c0 fix: style fix
mrmagic2020fd4bda4 fix: delete redundant comments and else statements
mrmagic20204a4d7e3 [fix] style fix
mrmagic20202c0e619 feat: New algorithm
mrmagic2020e318e11 fix: fixed custom code symbols
mrmagic20205435e8d test: add test for MorseCode
mrmagic202009e6fdd test: add case with custom code symbols
mrmagic20206759113 delete files from main branch
mrmagic20208288b79 fix: style fix
mrmagic2020f16b07b fix: style fix
mrmagic20206d2bde9 fix: delete unnecessary quotes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /** | ||
| * @author mrmagic2020 | ||
| * @description Enciphers a combination of letters, numbers and symbols into morse code. | ||
| * @see https://en.wikipedia.org/wiki/Morse_code | ||
| * @param {string} msg The message to be enciphered. | ||
| * @param {string} dot Symbol representing the dots. | ||
| * @param {string} dash Symbol representing the dash. | ||
| * @returns {string} Enciphered morse code. | ||
| * @example morse('Hello World!') = '**** * *-** *-** --- *-- --- *-* *-** -** -*-*--' | ||
| */ | ||
| const morse = (msg, dot = '*', dash = '-') => { | ||
| const key = { | ||
| 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: '--**', | ||
| 1: '*----', | ||
| 2: '**---', | ||
| 3: '***--', | ||
| 4: '****-', | ||
| 5: '*****', | ||
| 6: '-****', | ||
| 7: '--***', | ||
| 8: '---**', | ||
| 9: '----*', | ||
| 0: '-----', | ||
| '.': '*-*-*-', | ||
| ',': '--**--', | ||
| '?': '**--**', | ||
| '!': '-*-*--', | ||
| '\'': '*----*', | ||
| '"': '*-**-*', | ||
| '(': '-*--*', | ||
| ')': '-*--*-', | ||
| '&': '*-***', | ||
| ':': '---***', | ||
| ';': '-*-*-*', | ||
| '/': '-**-*', | ||
| _: '**--*-', | ||
| '=': '-***-', | ||
| '+': '*-*-*', | ||
| '-': '-****-', | ||
| $: '***-**-', | ||
| '@': '*--*-*' | ||
| } | ||
| let newMsg = '' | ||
| msg.toString().split('').forEach((e) => { | ||
| if (/[a-zA-Z]/.test(e)) { | ||
| newMsg += key[e.toUpperCase()].replaceAll('*', dot).replaceAll('-', dash) | ||
| } else if (Object.keys(key).includes(e)) { | ||
| newMsg += key[e].replaceAll('*', dot).replaceAll('-', dash) | ||
| } else { | ||
| newMsg += e | ||
| } | ||
| newMsg += ' ' | ||
| }) | ||
| return newMsg.trim() | ||
| } | ||
| export { morse } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| import { morse } from '../MorseCode' | ||
| describe('Testing morse function', () => { | ||
| it('should return an enciphered string with a given input string', () => { | ||
| expect(morse('Hello World!')).toBe('**** * *-** *-** --- *-- --- *-* *-** -** -*-*--') | ||
| expect(morse('1+1=2')).toBe('*---- *-*-* *---- -***- **---') | ||
| }) | ||
| it('should leave symbols that does not have its corresponding morse representation', () => { | ||
| expect(morse('© 2023 GitHub, Inc.')).toBe('© **--- ----- **--- ***-- --* ** - **** **- -*** --**-- ** -* -*-* *-*-*-') | ||
| }) | ||
| it('should be able to accept custom morse code symbols', () => { | ||
| expect(morse('Nodejs', '.', '|')).toBe('|. ||| |.. . .||| ...') | ||
| }) | ||
| }) |
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