54 lines
976 B
JavaScript
54 lines
976 B
JavaScript
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//
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// 2022.08.09
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//
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// ------------------------------
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export default function bin2hex(n){
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n = n || ''
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// \\
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// ! \\ lossy on bad data
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/////
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const l = n.length
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const c = l>>1
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const a = new Uint8Array(c)
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for(let i=0;i<c;i++){
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const p = i<<1
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const s = n.substring(p,p+2)
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console.log({i,p,s})
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a[i] = parseInt(s,16)
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}
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return a
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}
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//console.log(bin2hex('aabbcc'))
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//console.log(bin2hex('000102'))
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//console.log(bin2hex('FDFEFF'))
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/*
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https://github.com/LinusU/hex-to-array-buffer/blob/master/index.js
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export default function hexToArrayBuffer (input) {
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if (typeof input !== 'string') {
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throw new TypeError('Expected input to be a string')
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}
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if ((input.length % 2) !== 0) {
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throw new RangeError('Expected string to be an even number of characters')
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}
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const view = new Uint8Array(input.length / 2)
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for (let i = 0; i < input.length; i += 2) {
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view[i / 2] = parseInt(input.substring(i, i + 2), 16)
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}
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return view.buffer
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}
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*/
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