adding suport for CRC32 SFV

2024-04-06 11:48:18 +02:00
parent dcc51bf41d
commit e28f924837
28 changed files with 353 additions and 172 deletions
@@ -0,0 +1,11 @@
+import { createReadStream } from 'fs';
+import { createHash } from 'crypto';
+import { CID } from 'multiformats/cid';
+import { create } from 'multiformats/hashes/digest';
+import x from 'crc-32';
+
+var o=(s=>(s[s.crc32=306]="crc32",s[s.md5=213]="md5",s[s.sha1=17]="sha1",s[s.sha256=18]="sha256",s[s.sha3_256=22]="sha3_256",s[s.sha3_384=21]="sha3_384",s))(o||{}),n=(s=>(s.crc32="cid_crc32",s.md5="cid_md5",s.sha1="cid_sha1",s.sha256="cid_sha2-256",s.sha3_256="cid_sha3-256",s.sha3_384="cid_sha3-384",s))(n||{}),u=(s=>(s.crc32="crc32",s.md5="md5",s.sha1="sha1",s.sha256="sha2-256",s.sha3_256="sha3-256",s.sha3_384="sha3-384",s))(u||{});var t=class{_crc=void 0;update(a){return this._crc=x.buf(a,this._crc),this}digest(){console.log((this._crc>>>0).toString(16));let a=Buffer.alloc(4);return a.writeInt32BE(this._crc,0),a}};async function B({filePath:c,algorithms:a}){let h={"cid_sha2-256":{code:18,hasher:createHash("sha256")},cid_sha1:{code:17,hasher:createHash("sha1")},cid_md5:{code:213,hasher:createHash("md5")},"cid_sha3-256":{code:22,hasher:createHash("sha3-256")},"cid_sha3-384":{code:21,hasher:createHash("sha3-384")},cid_crc32:{code:306,hasher:new t}},i=a.map(s=>({hasher:h[s].hasher,code:h[s].code})),d=createReadStream(c);for await(let s of d)for(let r of i)r.hasher.update(s);return await Promise.all(i.map(async({code:s,hasher:r})=>{let m=r.digest(),f=create(s,m);return CID.createV1(s,f).toString()}))}
+
+export { o as a, n as b, u as c, B as d };
+//# sourceMappingURL=out.js.map
+//# sourceMappingURL=chunk-FGATABDV.js.map