ipfs-unixfs/dist/index.min.js

JavaScript implementation of IPFS' unixfs (a Unix FileSystem representation on top of a MerkleDAG)

(function (root, factory) {(typeof module === 'object' && module.exports) ? module.exports = factory() : root.IpfsUnixfs = factory()}(typeof self !== 'undefined' ? self : this, function () {
"use strict";var IpfsUnixfs=(()=>{var lt=Object.defineProperty;var ve=Object.getOwnPropertyDescriptor;var Oe=Object.getOwnPropertyNames;var Ve=Object.prototype.hasOwnProperty;var p=(r,t)=>{for(var e in t)lt(r,e,{get:t[e],enumerable:!0})},_e=(r,t,e,n)=>{if(t&&typeof t=="object"||typeof t=="function")for(let i of Oe(t))!Ve.call(r,i)&&i!==e&&lt(r,i,{get:()=>t[i],enumerable:!(n=ve(t,i))||n.enumerable});return r};var $e=r=>_e(lt({},"__esModule",{value:!0}),r);var hn={};p(hn,{InvalidTypeError:()=>O,InvalidUnixFSMessageError:()=>q,UnixFS:()=>Jt});var O=class r extends Error{static name="InvalidTypeError";static code="ERR_INVALID_TYPE";name=r.name;code=r.code;constructor(t="Invalid type"){super(t)}},q=class r extends Error{static name="InvalidUnixFSMessageError";static code="ERR_INVALID_MESSAGE";name=r.name;code=r.code;constructor(t="Invalid message"){super(t)}};function M(r=0){return new Uint8Array(r)}var Ge=Math.pow(2,7),Pe=Math.pow(2,14),Xe=Math.pow(2,21),Wt=Math.pow(2,28),Qt=Math.pow(2,35),Kt=Math.pow(2,42),Zt=Math.pow(2,49),l=128,T=127;function H(r){if(r<Ge)return 1;if(r<Pe)return 2;if(r<Xe)return 3;if(r<Wt)return 4;if(r<Qt)return 5;if(r<Kt)return 6;if(r<Zt)return 7;if(Number.MAX_SAFE_INTEGER!=null&&r>Number.MAX_SAFE_INTEGER)throw new RangeError("Could not encode varint");return 8}function jt(r,t,e=0){switch(H(r)){case 8:t[e++]=r&255|l,r/=128;case 7:t[e++]=r&255|l,r/=128;case 6:t[e++]=r&255|l,r/=128;case 5:t[e++]=r&255|l,r/=128;case 4:t[e++]=r&255|l,r>>>=7;case 3:t[e++]=r&255|l,r>>>=7;case 2:t[e++]=r&255|l,r>>>=7;case 1:{t[e++]=r&255,r>>>=7;break}default:throw new Error("unreachable")}return t}function Yt(r,t){let e=r[t],n=0;if(n+=e&T,e<l||(e=r[t+1],n+=(e&T)<<7,e<l)||(e=r[t+2],n+=(e&T)<<14,e<l)||(e=r[t+3],n+=(e&T)<<21,e<l)||(e=r[t+4],n+=(e&T)*Wt,e<l)||(e=r[t+5],n+=(e&T)*Qt,e<l)||(e=r[t+6],n+=(e&T)*Kt,e<l)||(e=r[t+7],n+=(e&T)*Zt,e<l))return n;throw new RangeError("Could not decode varint")}var ft=new Float32Array([-0]),B=new Uint8Array(ft.buffer);function te(r,t,e){ft[0]=r,t[e]=B[0],t[e+1]=B[1],t[e+2]=B[2],t[e+3]=B[3]}function ee(r,t){return B[0]=r[t],B[1]=r[t+1],B[2]=r[t+2],B[3]=r[t+3],ft[0]}var pt=new Float64Array([-0]),u=new Uint8Array(pt.buffer);function re(r,t,e){pt[0]=r,t[e]=u[0],t[e+1]=u[1],t[e+2]=u[2],t[e+3]=u[3],t[e+4]=u[4],t[e+5]=u[5],t[e+6]=u[6],t[e+7]=u[7]}function ne(r,t){return u[0]=r[t],u[1]=r[t+1],u[2]=r[t+2],u[3]=r[t+3],u[4]=r[t+4],u[5]=r[t+5],u[6]=r[t+6],u[7]=r[t+7],pt[0]}var qe=BigInt(Number.MAX_SAFE_INTEGER),He=BigInt(Number.MIN_SAFE_INTEGER),m=class r{lo;hi;constructor(t,e){this.lo=t|0,this.hi=e|0}toNumber(t=!1){if(!t&&this.hi>>>31>0){let e=~this.lo+1>>>0,n=~this.hi>>>0;return e===0&&(n=n+1>>>0),-(e+n*4294967296)}return this.lo+this.hi*4294967296}toBigInt(t=!1){if(t)return BigInt(this.lo>>>0)+(BigInt(this.hi>>>0)<<32n);if(this.hi>>>31){let e=~this.lo+1>>>0,n=~this.hi>>>0;return e===0&&(n=n+1>>>0),-(BigInt(e)+(BigInt(n)<<32n))}return 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s=0;s<r.length;++s)i=r.charCodeAt(s),i<128?t[e++]=i:i<2048?(t[e++]=i>>6|192,t[e++]=i&63|128):(i&64512)===55296&&((o=r.charCodeAt(s+1))&64512)===56320?(i=65536+((i&1023)<<10)+(o&1023),++s,t[e++]=i>>18|240,t[e++]=i>>12&63|128,t[e++]=i>>6&63|128,t[e++]=i&63|128):(t[e++]=i>>12|224,t[e++]=i>>6&63|128,t[e++]=i&63|128);return e-n}function y(r,t){return RangeError(`index out of range: ${r.pos} + ${t??1} > ${r.len}`)}function ot(r,t){return(r[t-4]|r[t-3]<<8|r[t-2]<<16|r[t-1]<<24)>>>0}var xt=class{buf;pos;len;_slice=Uint8Array.prototype.subarray;constructor(t){this.buf=t,this.pos=0,this.len=t.length}uint32(){let t=4294967295;if(t=(this.buf[this.pos]&127)>>>0,this.buf[this.pos++]<128||(t=(t|(this.buf[this.pos]&127)<<7)>>>0,this.buf[this.pos++]<128)||(t=(t|(this.buf[this.pos]&127)<<14)>>>0,this.buf[this.pos++]<128)||(t=(t|(this.buf[this.pos]&127)<<21)>>>0,this.buf[this.pos++]<128)||(t=(t|(this.buf[this.pos]&15)<<28)>>>0,this.buf[this.pos++]<128))return t;if((this.pos+=5)>this.len)throw 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2:this.skip(this.uint32());break;case 3:for(;(t=this.uint32()&7)!==4;)this.skipType(t);break;case 5:this.skip(4);break;default:throw Error(`invalid wire type ${t} at offset ${this.pos}`)}return this}readLongVarint(){let t=new m(0,0),e=0;if(this.len-this.pos>4){for(;e<4;++e)if(t.lo=(t.lo|(this.buf[this.pos]&127)<<e*7)>>>0,this.buf[this.pos++]<128)return t;if(t.lo=(t.lo|(this.buf[this.pos]&127)<<28)>>>0,t.hi=(t.hi|(this.buf[this.pos]&127)>>4)>>>0,this.buf[this.pos++]<128)return t;e=0}else{for(;e<3;++e){if(this.pos>=this.len)throw y(this);if(t.lo=(t.lo|(this.buf[this.pos]&127)<<e*7)>>>0,this.buf[this.pos++]<128)return t}return t.lo=(t.lo|(this.buf[this.pos++]&127)<<e*7)>>>0,t}if(this.len-this.pos>4){for(;e<5;++e)if(t.hi=(t.hi|(this.buf[this.pos]&127)<<e*7+3)>>>0,this.buf[this.pos++]<128)return t}else for(;e<5;++e){if(this.pos>=this.len)throw y(this);if(t.hi=(t.hi|(this.buf[this.pos]&127)<<e*7+3)>>>0,this.buf[this.pos++]<128)return t}throw Error("invalid varint 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xt(r instanceof Uint8Array?r:r.subarray())}function J(r,t,e){let n=gt(r);return t.decode(n,void 0,e)}var St={};p(St,{base10:()=>Ye});var An=new Uint8Array(0);function ae(r,t){if(r===t)return!0;if(r.byteLength!==t.byteLength)return!1;for(let e=0;e<r.byteLength;e++)if(r[e]!==t[e])return!1;return!0}function N(r){if(r instanceof Uint8Array&&r.constructor.name==="Uint8Array")return r;if(r instanceof ArrayBuffer)return new Uint8Array(r);if(ArrayBuffer.isView(r))return new Uint8Array(r.buffer,r.byteOffset,r.byteLength);throw new Error("Unknown type, must be binary type")}function he(r){return new TextEncoder().encode(r)}function de(r){return new TextDecoder().decode(r)}function Je(r,t){if(r.length>=255)throw new TypeError("Alphabet too long");for(var e=new Uint8Array(256),n=0;n<e.length;n++)e[n]=255;for(var i=0;i<r.length;i++){var o=r.charAt(i),s=o.charCodeAt(0);if(e[s]!==255)throw new TypeError(o+" is ambiguous");e[s]=i}var 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