ipfs-unixfs-importer/dist/index.min.js

JavaScript implementation of the UnixFs importer used by IPFS

(function (root, factory) {(typeof module === 'object' && module.exports) ? module.exports = factory() : root.IpfsUnixfsImporter = factory()}(typeof self !== 'undefined' ? self : this, function () {
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i=ln(t,e,n.bytes);return new k(t,e,n,i)}default:throw new Error("Invalid version")}}static createV0(t){return k.create(0,Tt,t)}static createV1(t,e){return k.create(1,t,e)}static decode(t){let[e,n]=k.decodeFirst(t);if(n.length)throw new Error("Incorrect length");return e}static decodeFirst(t){let e=k.inspectBytes(t),n=e.size-e.multihashSize,i=H(t.subarray(n,n+e.multihashSize));if(i.byteLength!==e.multihashSize)throw new Error("Incorrect length");let o=i.subarray(e.multihashSize-e.digestSize),s=new yt(e.multihashCode,e.digestSize,o,i);return[e.version===0?k.createV0(s):k.createV1(e.codec,s),t.subarray(e.size)]}static inspectBytes(t){let e=0,n=()=>{let[p,D]=Lt(t.subarray(e));return e+=D,p},i=n(),o=Tt;if(i===18?(i=0,e=0):o=n(),i!==0&&i!==1)throw new RangeError(`Invalid CID version ${i}`);let s=e,f=n(),a=n(),h=e+a,u=h-s;return{version:i,codec:o,multihashCode:f,digestSize:a,multihashSize:u,size:h}}static parse(t,e){let[n,i]=oo(t,e),o=k.decode(i);if(o.version===0&&t[0]!=="Q")throw Error("Version 0 CID string must not include multibase prefix");return ze(o).set(n,t),o}},oo=(r,t)=>{switch(r[0]){case"Q":{let e=t||W;return[W.prefix,e.decode(`${W.prefix}${r}`)]}case W.prefix:{let e=t||W;return[W.prefix,e.decode(r)]}case wt.prefix:{let e=t||wt;return[wt.prefix,e.decode(r)]}default:{if(t==null)throw Error("To parse non base32 or base58btc encoded CID multibase decoder must be provided");return[r[0],t.decode(r)]}}},so=(r,t,e)=>{let{prefix:n}=e;if(n!==W.prefix)throw Error(`Cannot string encode V0 in ${e.name} encoding`);let i=t.get(n);if(i==null){let o=e.encode(r).slice(1);return t.set(n,o),o}else return i},ao=(r,t,e)=>{let{prefix:n}=e,i=t.get(n);if(i==null){let o=e.encode(r);return t.set(n,o),o}else return i},Tt=112,co=18,ln=(r,t,e)=>{let n=pt(r),i=n+pt(t),o=new Uint8Array(i+e.byteLength);return dt(r,o,0),dt(t,o,n),o.set(e,i),o},fo=Symbol.for("@ipld/js-cid/CID");var zt={};C(zt,{code:()=>vo,createLink:()=>vn,createNode:()=>_n,decode:()=>Bo,encode:()=>U,name:()=>_o,prepare:()=>F,validate:()=>Ie});var uo=new TextDecoder;function Ce(r,t){let e=0;for(let n=0;;n+=7){if(n>=64)throw new Error("protobuf: varint overflow");if(t>=r.length)throw new Error("protobuf: unexpected end of data");let i=r[t++];if(e+=n<28?(i&127)<<n:(i&127)*2**n,i<128)break}return[e,t]}function Kt(r,t){let e;[e,t]=Ce(r,t);let n=t+e;if(e<0||n<0)throw new Error("protobuf: invalid length");if(n>r.length)throw new Error("protobuf: unexpected end of data");return[r.subarray(t,n),n]}function dn(r,t){let e;return[e,t]=Ce(r,t),[e&7,e>>3,t]}function ho(r){let t={},e=r.length,n=0;for(;n<e;){let i,o;if([i,o,n]=dn(r,n),o===1){if(t.Hash)throw new Error("protobuf: (PBLink) duplicate Hash section");if(i!==2)throw new Error(`protobuf: (PBLink) wrong wireType (${i}) for Hash`);if(t.Name!==void 0)throw new Error("protobuf: (PBLink) invalid order, found Name before Hash");if(t.Tsize!==void 0)throw new 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i=r.Links.length-1;i>=0;i--){let o=po(r.Links[i],e.subarray(0,n));n-=o,n=Nt(e,n,o)-1,e[n]=18}return e}function mo(r){let t=0;if(r.Hash){let e=r.Hash.length;t+=1+e+bt(e)}if(typeof r.Name=="string"){let e=yn.encode(r.Name).length;t+=1+e+bt(e)}return ty