Files
bun.sh/examples/hashing.js
jhmaster 182e600eb7 Fix Bun.hash functions (#4054)
* fix `Bun.hash` functions to behave as expected

* update Bun.hash tests
* properly test the returned hash
* include murmur32v2

* update Bun.hash docs

* run fmt
2023-08-07 23:30:05 -07:00

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JavaScript

// Accepts a string, TypedArray, or Blob (file blob support is not implemented but planned)
const input = "hello world".repeat(400);
// Bun.hash() defaults to Wyhash because it's fast
console.log(Bun.hash(input));
console.log(Bun.hash.wyhash(input));
// and returns a bigint
// all of these hashing functions return number if 32-bit or bigint if 64-bit, not typed arrays.
console.log(Bun.hash.adler32(input)); // number
console.log(Bun.hash.crc32(input)); // number
console.log(Bun.hash.cityHash32(input)); // number
console.log(Bun.hash.cityHash64(input)); // bigint
console.log(Bun.hash.murmur32v3(input)); // number
console.log(Bun.hash.murmur32v2(input)); // number
console.log(Bun.hash.murmur64v2(input)); // bigint
// Second argument accepts a seed where relevant
console.log(Bun.hash(input, 12345));