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86d333ee94
* chore: Switch to Node 20 + Vitest * chore: migrate to vitest mock functions * chore: code style (switch to prettier) * test: re-enable long-running test Seems the switch to Node 20 and Vitest has vastly improved the code's and / or the test's runtime! see #1193 * chore: code style * chore: fix failing tests * Updated Documentation in README.md * Update contribution guidelines to state usage of Prettier * fix: set prettier printWidth back to 80 * chore: apply updated code style automatically * fix: set prettier line endings to lf again * chore: apply updated code style automatically --------- Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> Co-authored-by: Lars Müller <34514239+appgurueu@users.noreply.github.com>
91 lines
1.8 KiB
JavaScript
91 lines
1.8 KiB
JavaScript
/**
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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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const morse = (msg, dot = '*', dash = '-') => {
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const key = {
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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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let newMsg = ''
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msg
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.toString()
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.split('')
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.forEach((e) => {
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if (/[a-zA-Z]/.test(e)) {
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newMsg += key[e.toUpperCase()]
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.replaceAll('*', dot)
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.replaceAll('-', dash)
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} else if (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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return newMsg.trim()
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}
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export { morse }
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