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cleanup hasPrefix

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overflowerror 2024-08-17 00:33:24 +02:00
parent 187a1a1743
commit b179c03730
1 changed files with 1 additions and 3 deletions
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4
src/hash.ts
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@ -14,10 +14,8 @@ Uint8Array.prototype.hasPrefix = function(prefix: Uint8Array, bits: number): boo
for(let i = 0; i < prefix.length && i * 8 < bits; i++) { for(let i = 0; i < prefix.length && i * 8 < bits; i++) {
const bitsForByte = Math.min(8, bits - i * 8); const bitsForByte = Math.min(8, bits - i * 8);
const bitMask = ((1 << bitsForByte) - 1) << (8 - bitsForByte); const bitMask = ((1 << bitsForByte) - 1) << (8 - bitsForByte);
const currentBits = this[i] & bitMask;
const prefixBits = prefix[i] & bitMask;
if (currentBits != prefixBits) { if ((this[i] & bitMask) != (prefix[i] & bitMask)) {
return false; return false;
} }
} }