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32f1e3351c
* Added Hex to Binary conversion * Update Conversions/HexToBinary.js Co-authored-by: Rak Laptudirm <raklaptudirm@gmail.com> * Update Conversions/HexToBinary.js Co-authored-by: Rak Laptudirm <raklaptudirm@gmail.com> * Update Conversions/HexToBinary.js Co-authored-by: Rak Laptudirm <raklaptudirm@gmail.com> * Update Conversions/HexToBinary.js Co-authored-by: Rak Laptudirm <raklaptudirm@gmail.com> * Fix errors * fix: typo Co-authored-by: Rak Laptudirm <raklaptudirm@gmail.com>
35 lines
872 B
JavaScript
35 lines
872 B
JavaScript
const binLookup = (c) => {
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switch (c.toLowerCase()) {
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case '0': return '0000'
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case '1': return '0001'
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case '2': return '0010'
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case '3': return '0011'
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case '4': return '0100'
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case '5': return '0101'
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case '6': return '0110'
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case '7': return '0111'
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case '8': return '1000'
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case '9': return '1001'
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case 'a': return '1010'
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case 'b': return '1011'
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case 'c': return '1100'
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case 'd': return '1101'
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case 'e': return '1110'
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case 'f': return '1111'
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default: return ''
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}
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}
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const hexToBinary = (hexString) => {
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/*
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Function for converting Hex to Binary
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1. We convert every hexadecimal bit to 4 binary bits
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2. Conversion goes by searching in the lookup table
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*/
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const hexLexemes = hexString.split('')
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return hexLexemes.map(lexeme => binLookup(lexeme)).join('')
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}
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export default hexToBinary
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