@az0uz/zarr/dist/core.min.mjs

Javascript implementation of Zarr

const t=new Map;function e(e,r){t.set(e,r)}async function r(e){if(!t.has(e.id))throw new Error(`Compression codec ${e.id} is not supported by Zarr.js yet.`);return(await t.get(e.id)()).fromConfig(e)}function n(t){return new Proxy(t,{set:(t,e,r,n)=>t.setItem(e,r),get:(t,e,r)=>t.getItem(e),deleteProperty:(t,e)=>t.deleteItem(e),has:(t,e)=>t.containsItem(e)})}function i(t){return"object"==typeof(e=t)&&null!==e&&"__zarr__"in e&&"KeyError"===t.__zarr__;var e}class s extends Error{constructor(t){super(`path ${t} contains an array`),this.__zarr__="ContainsArrayError",Object.setPrototypeOf(this,s.prototype)}}class o extends Error{constructor(t){super(`path ${t} contains a group`),this.__zarr__="ContainsGroupError",Object.setPrototypeOf(this,o.prototype)}}class a extends Error{constructor(t){super(`array not found at path ${t}`),this.__zarr__="ArrayNotFoundError",Object.setPrototypeOf(this,a.prototype)}}class h extends Error{constructor(t){super(`group not found at path ${t}`),this.__zarr__="GroupNotFoundError",Object.setPrototypeOf(this,h.prototype)}}class u extends Error{constructor(t){super(`nothing found at path ${t}`),this.__zarr__="PathNotFoundError",Object.setPrototypeOf(this,u.prototype)}}class c extends Error{constructor(t){super(t),this.__zarr__="PermissionError",Object.setPrototypeOf(this,c.prototype)}}class l extends Error{constructor(t){super(`key ${t} not present`),this.__zarr__="KeyError",Object.setPrototypeOf(this,l.prototype)}}class f extends RangeError{constructor(t,e){super(`too many indices for array; expected ${e.length}, got ${t.length}`),this.__zarr__="TooManyIndicesError",Object.setPrototypeOf(this,f.prototype)}}class d extends RangeError{constructor(t){super(t),this.__zarr__="BoundsCheckError",Object.setPrototypeOf(this,d.prototype)}}class p extends RangeError{constructor(t,e,r,n){super(`slice arguments slice(${t}, ${e}, ${r}) invalid: ${n}`),this.__zarr__="InvalidSliceError",Object.setPrototypeOf(this,p.prototype)}}class y extends Error{constructor(){super("Negative step size is not supported when indexing."),this.__zarr__="NegativeStepError",Object.setPrototypeOf(this,y.prototype)}}class w extends Error{constructor(t){super(t),this.__zarr__="ValueError",Object.setPrototypeOf(this,w.prototype)}}class m extends Error{constructor(t){super(t),this.__zarr__="HTTPError",Object.setPrototypeOf(this,m.prototype)}}function g(t,e,r=null){if(void 0===t)throw new p(t,e,r,"The first argument must not be undefined");if("string"==typeof t&&":"!==t||"string"==typeof e&&":"!==e)throw new p(t,e,r,'Arguments can only be integers, ":" or null');return void 0===e&&(e=t,t=null),{start:":"===t?null:t,stop:":"===e?null:e,step:r,_slice:!0}}function _(t,e){let r,n,i;i=null===t.step?1:t.step,null===t.start?r=i<0?Number.MAX_SAFE_INTEGER:0:(r=t.start,r<0&&(r+=e)),null===t.stop?n=i<0?-Number.MAX_SAFE_INTEGER:Number.MAX_SAFE_INTEGER:(n=t.stop,n<0&&(n+=e));const s=function(t,e,r,n){if(t<0?(t+=n)<0&&(t=r<0?-1:0):t>=n&&(t=r<0?n-1:n),e<0?(e+=n)<0&&(e=r<0?-1:0):e>=n&&(e=r<0?n-1:n),r<0){if(e<t)return[t,e,r,Math.floor((t-e-1)/-r+1)]}else if(t<e)return[t,e,r,Math.floor((e-t-1)/r+1)];return[t,e,r,0]}(r,n,i,e);if(r=s[0],n=s[1],i=s[2],e=s[3],0===i)throw new Error("Step size 0 is invalid");return[r,n,i,e]}function v(t){return Array.isArray(t)?t:[t]}function b(t,e){const r=[],n=[];for(let i=0;i<t.length;i++){const s=t[i];if("number"==typeof s)r.push(s);else{const t=_(s,e[i]),o=t[3];n.push(o),r.push(t)}}return[r,n]}function I(t,e,r=!1){t=function(t,e){t=v(t);let r=-1,n=0;for(let e=0;e<t.length;e++)"..."===t[e]&&(r=e,n+=1);if(n>1)throw new RangeError("an index can only have a single ellipsis ('...')");if(1===n){const n=r,i=t.length-(n+1),s=t.length-1;if(s>=e.length)t=t.filter((t=>"..."!==t));else{const r=e.length-s;let o=t.slice(0,n).concat(new Array(r).fill(null));i>0&&(o=o.concat(t.slice(t.length-i))),t=o}}if(t.length<e.length){const r=e.length-t.length;t=t.concat(new Array(r).fill(null))}return function(t,e){if(t.length>e.length)throw new f(t,e)}(t,e),t}(t,e);for(let n=0;n<t.length;n++){const i=t[n];if("number"==typeof i)t[n]=r?g(i,i+1,1):S(i,e[n]);else{if(E(i))throw new TypeError("Integer array selections are not supported (yet)");":"!==i&&null!==i||(t[n]=g(null,null,1))}}return t}function S(t,e){if(t<0&&(t=e+t),t>=e||t<0)throw new d(`index out of bounds for dimension with length ${e}`);return t}function E(t){if(!Array.isArray(t))return!1;for(const e of t)if("number"!=typeof e)return!1;return!0}function A(t){return null!==t&&!0===t._slice}function O(t){return A(t)&&(null===t.step||1===t.step)}class k{constructor(t,e){t=I(t,e.shape),this.dimIndexers=[];const r=e.shape;for(let n=0;n<r.length;n++){let i=t[n];const s=r[n],o=e.chunks[n];if(null===i&&(i=g(null)),"number"==typeof i)this.dimIndexers.push(new C(i,s,o));else{if(!A(i))throw new RangeError(`Unspported selection item for basic indexing; expected integer or 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i=t.byteLength/parseInt(r[r.length-1],10);if(n!==i)throw new Error(`Buffer has ${i} of dtype ${r}, shape is too large or small ${e} (flat=${n})`);const s=rt(r);this.data=new s(t)}else this.data=t}set(t=null,e,r){null===t&&(t=[g(null)]),"number"==typeof e?0===this.shape.length?this.data[0]=e:yt(this.data,this.strides,this.shape,t,e):e instanceof bt&&r?mt(this.data,this.strides,this.shape,t,e.data,e.strides,e.shape,r):wt(this.data,this.strides,this.shape,t,e.data,e.strides,e.shape)}}var It={exports:{}};!function(t){var e=Object.prototype.hasOwnProperty,r="~";function n(){}function i(t,e,r){this.fn=t,this.context=e,this.once=r||!1}function s(t,e,n,s,o){if("function"!=typeof n)throw new TypeError("The listener must be a function");var a=new i(n,s||t,o),h=r?r+e:e;return t._events[h]?t._events[h].fn?t._events[h]=[t._events[h],a]:t._events[h].push(a):(t._events[h]=a,t._eventsCount++),t}function o(t,e){0==--t._eventsCount?t._events=new n:delete t._events[e]}function a(){this._events=new n,this._eventsCount=0}Object.create&&(n.prototype=Object.create(null),(new n).__proto__||(r=!1)),a.prototype.eventNames=function(){var t,n,i=[];if(0===this._eventsCount)return i;for(n in t=this._events)e.call(t,n)&&i.push(r?n.slice(1):n);return Object.getOwnPropertySymbols?i.concat(Object.getOwnPropertySymbols(t)):i},a.prototype.listeners=function(t){var e=r?r+t:t,n=this._events[e];if(!n)return[];if(n.fn)return[n.fn];for(var i=0,s=n.length,o=new Array(s);i<s;i++)o[i]=n[i].fn;return o},a.prototype.listenerCount=function(t){var e=r?r+t:t,n=this._events[e];return n?n.fn?1:n.length:0},a.prototype.emit=function(t,e,n,i,s,o){var a=r?r+t:t;if(!this._events[a])return!1;var h,u,c=this._events[a],l=arguments.length;if(c.fn){switch(c.once&&this.removeListener(t,c.fn,void 0,!0),l){case 1:return c.fn.call(c.context),!0;case 2:return c.fn.call(c.context,e),!0;case 3:return c.fn.call(c.context,e,n),!0;case 4:return c.fn.call(c.context,e,n,i),!0;case 5:return c.fn.call(c.context,e,n,i,s),!0;case 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this},a.prototype.removeAllListeners=function(t){var e;return t?(e=r?r+t:t,this._events[e]&&o(this,e)):(this._events=new n,this._eventsCount=0),this},a.prototype.off=a.prototype.removeListener,a.prototype.addListener=a.prototype.on,a.prefixed=r,a.EventEmitter=a,t.exports=a}(It);var St=It.exports;class Et extends Error{constructor(t){super(t),this.name="TimeoutError"}}class At{constructor(){Object.defineProperty(this,"_queue",{enumerable:!0,configurable:!0,writable:!0,value:[]})}enqueue(t,e){var r;const n={priority:(e={priority:0,...e}).priority,run:t};if(this.size&&(null===(r=this._queue[this.size-1])||void 0===r?void 0:r.priority)>=e.priority)return void this._queue.push(n);const i=function(t,e,r){let n=0,i=t.length;for(;i>0;){const s=Math.trunc(i/2);let o=n+s;r(t[o],e)<=0?(n=++o,i-=s+1):i=s}return n}(this._queue,n,((t,e)=>e.priority-t.priority));this._queue.splice(i,0,n)}dequeue(){const t=this._queue.shift();return null==t?void 0:t.run}filter(t){return this._queue.filter((e=>e.priority===t.priority)).map((t=>t.run))}get size(){return this._queue.length}}const Ot=()=>{},kt=new Et;class Ct extends St{constructor(t){var e,r,n,i;if(super(),Object.defineProperty(this,"_carryoverConcurrencyCount",{enumerable:!0,configurable:!0,writable:!0,value:void 0}),Object.defineProperty(this,"_isIntervalIgnored",{enumerable:!0,configurable:!0,writable:!0,value:void 0}),Object.defineProperty(this,"_intervalCount",{enumerable:!0,configurable:!0,writable:!0,value:0}),Object.defineProperty(this,"_intervalCap",{enumerable:!0,configurable:!0,writable:!0,value:void 0}),Object.defineProperty(this,"_interval",{enumerable:!0,configurable:!0,writable:!0,value:void 0}),Object.defineProperty(this,"_intervalEnd",{enumerable:!0,configurable:!0,writable:!0,value:0}),Object.defineProperty(this,"_intervalId",{enumerable:!0,configurable:!0,writable:!0,value:void 0}),Object.defineProperty(this,"_timeoutId",{enumerable:!0,configurable:!0,writable:!0,value:void 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0}),!("number"==typeof(t={carryoverConcurrencyCount:!1,intervalCap:Number.POSITIVE_INFINITY,interval:0,concurrency:Number.POSITIVE_INFINITY,autoStart:!0,queueClass:At,...t}).intervalCap&&t.intervalCap>=1))throw new TypeError(`Expected \`intervalCap\` to be a number from 1 and up, got \`${null!==(r=null===(e=t.intervalCap)||void 0===e?void 0:e.toString())&&void 0!==r?r:""}\` (${typeof t.intervalCap})`);if(void 0===t.interval||!(Number.isFinite(t.interval)&&t.interval>=0))throw new TypeError(`Expected \`interval\` to be a finite number >= 0, got \`${null!==(i=null===(n=t.interval)||void 0===n?void 0:n.toString())&&void 0!==i?i:""}\` (${typeof t.interval})`);this._carryoverConcurrencyCount=t.carryoverConcurrencyCount,this._isIntervalIgnored=t.intervalCap===Number.POSITIVE_INFINITY||0===t.interval,this._intervalCap=t.intervalCap,this._interval=t.interval,this._queue=new 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r=()=>{this._queue.size<t&&(this.removeListener("next",r),e())};this.on("next",r)}))}async onIdle(){if(0!==this._pendingCount||0!==this._queue.size)return new Promise((t=>{const e=this._resolveIdle;this._resolveIdle=()=>{e(),t()}}))}get size(){return this._queue.size}sizeBy(t){return this._queue.filter(t).length}get pending(){return this._pendingCount}get isPaused(){return this._isPaused}get timeout(){return this._timeout}set timeout(t){this._timeout=t}}class Pt{constructor(t,e=null,n,i=!1,s=null,o=!0,a=!0){this.store=t,this._chunkStore=s,this.path=N(e),this.keyPrefix=Y(this.path),this.readOnly=i,this.cacheMetadata=o,this.cacheAttrs=a,this.meta=n,null!==this.meta.compressor?this.compressor=r(this.meta.compressor):this.compressor=null;const h=this.keyPrefix+V;this.attrs=new Z(this.store,h,this.readOnly,a)}get chunkStore(){return this._chunkStore?this._chunkStore:this.store}get name(){return this.path.length>0?"/"!==this.path[0]?"/"+this.path:this.path:null}get basename(){const t=this.name;if(null===t)return null;const e=t.split("/");return e[e.length-1]}get shape(){return this.meta.shape}get chunks(){return this.meta.chunks}get chunkSize(){return this.chunks.reduce(((t,e)=>t*e),1)}get dtype(){return this.meta.dtype}get fillValue(){const t=this.meta.fill_value;return"NaN"===t?NaN:"Infinity"===t?1/0:"-Infinity"===t?-1/0:this.meta.fill_value}get nDims(){return this.meta.shape.length}get size(){return this.meta.shape.reduce(((t,e)=>t*e),1)}get length(){return this.shape[0]}get _chunkDataShape(){if(0===this.shape.length)return[1];{const t=[];for(let e=0;e<this.shape.length;e++)t[e]=Math.ceil(this.shape[e]/this.chunks[e]);return t}}get chunkDataShape(){return this._chunkDataShape}get numChunks(){return this.chunkDataShape.reduce(((t,e)=>t*e),1)}static async create(t,e=null,r=!1,n=null,i=!0,s=!0){const o=await this.loadMetadataForConstructor(t,e);return new Pt(t,e,o,r,n,i,s)}static async loadMetadataForConstructor(t,e){try{const r=Y(e=N(e));return X(await t.getItem(r+D))}catch(r){if(await G(t,e))throw new o(null!=e?e:"");throw new Error("Failed to load metadata for ZarrArray:"+r.toString())}}async reloadMetadata(){const t=this.keyPrefix+D,e=this.store.getItem(t);return this.meta=X(await e),this.meta}async refreshMetadata(){this.cacheMetadata||await this.reloadMetadata()}get(t=null,e={}){return this.getBasicSelection(t,!1,e)}getRaw(t=null,e={}){return this.getBasicSelection(t,!0,e)}async getBasicSelection(t,e=!1,{concurrencyLimit:r=10,progressCallback:n,storeOptions:i}={}){if(this.cacheMetadata||await this.reloadMetadata(),0===this.shape.length)throw new Error("Shape [] indexing is not supported yet");return this.getBasicSelectionND(t,e,r,n,i)}getBasicSelectionND(t,e,r,n,i){const s=new k(t,this);return this.getSelection(s,e,r,n,i)}async getSelection(t,e,r,n,i){const s=this.dtype,o=t.shape,a=t.shape.reduce(((t,e)=>t*e),1);if(e&&a===this.chunkSize){const e=t.iter(),r=e.next();if(!1===r.done&&!0===e.next().done){const t=r.value;return await this.decodeDirectToRawArray(t,o,a)}}const h=e?new bt(null,o,s):new ft(null,o,s);if(0===a)return h;const u=new Ct({concurrency:r}),c=[];if(n){let e=0,r=0;for(const e of t.iter())r+=1;n({progress:0,queueSize:r});for(const s of t.iter())c.push(u.add((async()=>{await this.chunkGetItem(s.chunkCoords,s.chunkSelection,h,s.outSelection,t.dropAxes,i),e+=1,n({progress:e,queueSize:r})})))}else for(const e of t.iter())c.push(u.add((()=>this.chunkGetItem(e.chunkCoords,e.chunkSelection,h,e.outSelection,t.dropAxes,i))));return await Promise.all(c),0===h.shape.length?h.data[0]:h}async chunkGetItem(t,e,r,n,s,o){if(t.length!==this._chunkDataShape.length)throw new w(`Inconsistent shapes: chunkCoordsLength: ${t.length}, cDataShapeLength: ${this.chunkDataShape.length}`);const a=this.chunkKey(t);try{const t=await this.chunkStore.getItem(a,o),i=await this.decodeChunk(t);if(r instanceof ft){if(function(t){t=v(t);for(let e=0;e<t.length;e++){const r=t[e];if(!E(r)&&!O(r)&&"..."!==r)return!1}return!0}(n)&&M(e,this.chunks)&&!this.meta.filters)return void r.set(n,this.toNestedArray(i));const t=this.toNestedArray(i).get(e);if(null!==s)throw new Error("Drop axes is not supported yet");r.set(n,t)}else r.set(n,this.chunkBufferToRawArray(i),e)}catch(t){if(!i(t))throw t;null!==this.fillValue&&r.set(n,this.fillValue)}}async getRawChunk(t,e){if(t.length!==this.shape.length)throw new Error(`Chunk coordinates ${t.join(".")} do not correspond to shape ${this.shape}.`);try{for(let e=0;e<t.length;e++){const r=Math.ceil(this.shape[e]/this.chunks[e]);t[e]=S(t[e],r)}}catch(e){throw e instanceof d?new d(`index ${t.join(".")} is out of bounds for shape: ${this.shape} and chunks ${this.chunks}`):e}const r=this.chunkKey(t),n=this.chunkStore.getItem(r,null==e?void 0:e.storeOptions),i=await this.decodeChunk(await n),s=this.chunks.filter((t=>1!==t));return new bt(i,s,this.dtype)}chunkKey(t){var e;const r=null!==(e=this.meta.dimension_separator)&&void 0!==e?e:".";return this.keyPrefix+t.join(r)}ensureByteArray(t){return"string"==typeof t?new Uint8Array(Buffer.from(t).buffer):new Uint8Array(t)}toTypedArray(t){return new(rt(this.dtype))(t)}toNestedArray(t){const e=this.ensureByteArray(t).buffer;return new ft(e,this.chunks,this.dtype)}async decodeChunk(t){let e=this.ensureByteArray(t);if(null!==this.compressor&&(e=await(await this.compressor).decode(e)),this.dtype.includes(">")&&$(this.toTypedArray(e.buffer)),"F"===this.meta.order&&this.nDims>1){const t=this.toTypedArray(e.buffer),r=new(rt(this.dtype))(t.length);return L(t,r,this.chunks),r.buffer}return e.buffer}chunkBufferToRawArray(t){return new bt(t,this.chunks,this.dtype)}async decodeDirectToRawArray({chunkCoords:t},e,r){const n=this.chunkKey(t);try{const t=await this.chunkStore.getItem(n);return new bt(await this.decodeChunk(t),e,this.dtype)}catch(t){if(i(t)){const t=new(rt(this.dtype))(r);return new bt(t.fill(this.fillValue),e)}throw t}}async set(t=null,e,r={}){await this.setBasicSelection(t,e,r)}async setBasicSelection(t,e,{concurrencyLimit:r=10,progressCallback:n}={}){if(this.readOnly)throw new c("Object is read only");if(this.cacheMetadata||await this.reloadMetadata(),0===this.shape.length)throw new Error("Shape [] indexing is not supported yet");await this.setBasicSelectionND(t,e,r,n)}async setBasicSelectionND(t,e,r,n){const i=new k(t,this);await this.setSelection(i,e,r,n)}getChunkValue(t,e,r,n){let i;if(0===n.length)i=r;else if("number"==typeof r)i=r;else if(i=r.get(t.outSelection),null!==e.dropAxes)throw new Error("Handling drop axes not supported yet");return i}async setSelection(t,e,r,n){const i=t.shape;if(0===i.length);else if("number"==typeof e);else{if(!(e instanceof ft))throw new Error("Unknown data type for setting :(");if(!function(t,e){if(t.length!==e.length)return!1;for(let r=0;r<t.length;r++)if(t[r]!==e[r])return!1;return!0}(e.shape,i))throw new w(`Shape mismatch in source NestedArray and set selection: ${e.shape} and ${i}`)}const s=new Ct({concurrency:r}),o=[];if(n){let r=0;for(const e of t.iter())r+=1;let a=0;n({progress:0,queueSize:r});for(const h of t.iter()){const u=this.getChunkValue(h,t,e,i);o.push(s.add((async()=>{await this.chunkSetItem(h.chunkCoords,h.chunkSelection,u),a+=1,n({progress:a,queueSize:r})})))}}else for(const r of t.iter()){const n=this.getChunkValue(r,t,e,i);o.push(s.add((()=>this.chunkSetItem(r.chunkCoords,r.chunkSelection,n))))}await Promise.all(o)}async chunkSetItem(t,e,r){if("F"===this.meta.order&&this.nDims>1)throw new Error("Setting content for arrays in F-order is not supported.");const n=this.chunkKey(t);let s=null;const o=rt(this.dtype),a=this.chunkSize;if(M(e,this.chunks))"number"==typeof r?(s=new o(a),s.fill(r)):s=r.flatten();else{let t;try{const e=await this.chunkStore.getItem(n),r=await this.decodeChunk(e);t=this.toTypedArray(r)}catch(e){if(!i(e))throw e;t=new o(a),null!==this.fillValue&&t.fill(this.fillValue)}const h=new ft(t,this.chunks,this.dtype);h.set(e,r),s=h.flatten()}const h=await this.encodeChunk(s);this.chunkStore.setItem(n,h)}async encodeChunk(t){if(this.dtype.includes(">")&&(t=function(t){const e=t.slice();return $(e),e}(t)),null!==this.compressor){const e=new Uint8Array(t.buffer);return(await(await this.compressor).encode(e)).buffer}return t.buffer}}class Tt{constructor(t={}){this.root=t}proxy(){return n(this)}getParent(t){let e=this.root;const r=t.split("/");for(const n of r.slice(0,r.length-1))if(e=e[n],!e)throw Error(t);return[e,r[r.length-1]]}requireParent(t){let e=this.root;const r=t.split("/");for(const t of r.slice(0,r.length-1))void 0===e[t]&&(e[t]={}),e=e[t];return[e,r[r.length-1]]}getItem(t){const[e,r]=this.getParent(t),n=e[r];if(void 0===n)throw new l(t);return n}setItem(t,e){const[r,n]=this.requireParent(t);return r[n]=e,!0}deleteItem(t){const[e,r]=this.getParent(t);return delete e[r]}containsItem(t){try{return void 0!==this.getItem(t)}catch(t){return!1}}keys(){throw new Error("Method not implemented.")}}var xt;!function(t){t.HEAD="HEAD",t.GET="GET",t.PUT="PUT"}(xt||(xt={}));const Nt=[xt.HEAD,xt.GET,xt.PUT];class jt{constructor(t,e={}){this.url=t;const{fetchOptions:r={},supportedMethods:n=Nt}=e;this.fetchOptions=r,this.supportedMethods=new Set(n)}keys(){throw new Error("Method not implemented.")}async getItem(t,e){const r=z(this.url,t),n=await fetch(r,{...this.fetchOptions,...e});if(404===n.status)throw new l(t);if(200!==n.status)throw new m(String(n.status));return T?Buffer.from(await n.arrayBuffer()):n.arrayBuffer()}async setItem(t,e){if(!this.supportedMethods.has(xt.PUT))throw new Error("HTTP PUT no a supported method for store.");const r=z(this.url,t);"string"==typeof e&&(e=(new TextEncoder).encode(e).buffer);return"2"===(await fetch(r,{...this.fetchOptions,method:xt.PUT,body:e})).status.toString()[0]}deleteItem(t){throw new Error("Method not implemented.")}async containsItem(t){const e=z(this.url,t),r=this.supportedMethods.has(xt.HEAD)?xt.HEAD:xt.GET;return 200===(await fetch(e,{...this.fetchOptions,method:r})).status}}async function Mt({shape:t,chunks:e=!0,dtype:r="<i4",compressor:n=null,fillValue:i=null,order:s="C",store:o,overwrite:a=!1,path:h,chunkStore:u,filters:c,cacheMetadata:l=!0,cacheAttrs:f=!0,readOnly:d=!1,dimensionSeparator:p}){const y=Dt(o);await W(y,t,e,r,h,n,i,s,a,u,c,p);return await Pt.create(y,h,d,u,l,f)}async function zt(t,e={}){return e.fillValue=null,Mt({shape:t,...e})}async function $t(t,e={}){return e.fillValue=0,Mt({shape:t,...e})}async function Bt(t,e={}){return e.fillValue=1,Mt({shape:t,...e})}async function qt(t,e,r={}){return r.fillValue=e,Mt({shape:t,...r})}async function Lt(t,e={}){let r=null;t instanceof ft?(r=t.shape,e.dtype=void 0===e.dtype?t.dtype:e.dtype):r=t.byteLength;const n=void 0!==e.readOnly&&e.readOnly;e.readOnly=!1;const i=await Mt({shape:r,...e});return await i.set(null,t),i.readOnly=n,i}async function Ft({shape:t,mode:e="a",chunks:r=!0,dtype:n="<i4",compressor:i=null,fillValue:h=null,order:u="C",store:c,overwrite:l=!1,path:f=null,chunkStore:d,filters:p,cacheMetadata:y=!0,cacheAttrs:m=!0,dimensionSeparator:g}={}){const _=Dt(c);if(void 0===d&&(d=Dt(_)),f=N(f),"r"===e||"r+"===e){if(!await R(_,f)){if(await G(_,f))throw new o(f);throw new a(f)}}else if("w"===e){if(void 0===t)throw new w("Shape can not be undefined when creating a new array");await W(_,t,r,n,f,i,h,u,l,d,p,g)}else if("a"===e){if(!await R(_,f)){if(await G(_,f))throw new o(f);if(void 0===t)throw new w("Shape can not be undefined when creating a new array");await W(_,t,r,n,f,i,h,u,l,d,p,g)}}else{if("w-"!==e&&"x"!==e)throw new w(`Invalid mode argument: ${e}`);if(await R(_,f))throw new s(f);if(await G(_,f))throw new o(f);if(void 0===t)throw new w("Shape can not be undefined when creating a new array");await W(_,t,r,n,f,i,h,u,l,d,p,g)}const v="r"===e;return Pt.create(_,f,v,d,y,m)}function Dt(t){return void 0===t?new Tt:"string"==typeof t?new jt(t):t}class Ut{constructor(t,e=null,r,n=!1,i=null,s=!0){this.store=t,this._chunkStore=i,this.path=N(e),this.keyPrefix=Y(this.path),this.readOnly=n,this.meta=r;const o=this.keyPrefix+V;this.attrs=new Z(this.store,o,this.readOnly,s)}get name(){return this.path.length>0?"/"!==this.path[0]?"/"+this.path:this.path:"/"}get basename(){const t=this.name.split("/");return t[t.length-1]}get chunkStore(){return this._chunkStore?this._chunkStore:this.store}static async create(t,e=null,r=!1,n=null,i=!0){const s=await this.loadMetadataForConstructor(t,e);return new Ut(t,e,s,r,n,i)}static async loadMetadataForConstructor(t,e){const r=Y(e=N(e));try{return X(await t.getItem(r+U))}catch(r){if(await R(t,e))throw new s(e);throw new h(e)}}itemPath(t){const e="string"==typeof t&&t.length>0&&"/"===t[0],r=N(t);return!e&&this.path.length>0?this.keyPrefix+r:r}async createGroup(t,e=!1){if(this.readOnly)throw new c("group is read only");const r=this.itemPath(t);return await K(this.store,r,this._chunkStore,e),Ut.create(this.store,r,this.readOnly,this._chunkStore,this.attrs.cache)}async requireGroup(t,e=!1){if(this.readOnly)throw new c("group is read only");const r=this.itemPath(t);return await G(this.store,r)||await K(this.store,r,this._chunkStore,e),Ut.create(this.store,r,this.readOnly,this._chunkStore,this.attrs.cache)}getOptsForArrayCreation(t,e={}){const r=this.itemPath(t);return e.path=r,void 0===e.cacheAttrs&&(e.cacheAttrs=this.attrs.cache),e.store=this.store,e.chunkStore=this.chunkStore,e}array(t,e,r,n){if(this.readOnly)throw new c("group is read only");return(r=this.getOptsForArrayCreation(t,r)).overwrite=void 0===n?r.overwrite:n,Lt(e,r)}empty(t,e,r={}){if(this.readOnly)throw new c("group is read only");return zt(e,r=this.getOptsForArrayCreation(t,r))}zeros(t,e,r={}){if(this.readOnly)throw new c("group is read only");return $t(e,r=this.getOptsForArrayCreation(t,r))}ones(t,e,r={}){if(this.readOnly)throw new c("group is read only");return Bt(e,r=this.getOptsForArrayCreation(t,r))}full(t,e,r,n={}){if(this.readOnly)throw new c("group is read only");return qt(e,r,n=this.getOptsForArrayCreation(t,n))}createDataset(t,e,r,n){if(this.readOnly)throw new c("group is read only");let i;if(n=this.getOptsForArrayCreation(t,n),void 0===r){if(void 0===e)throw new w("Shape must be set if no data is passed to CreateDataset");i=Mt({shape:e,...n})}else i=Lt(r,n);return i}async getItem(t){const e=this.itemPath(t);if(await R(this.store,e))return Pt.create(this.store,e,this.readOnly,this.chunkStore,void 0,this.attrs.cache);if(await G(this.store,e))return Ut.create(this.store,e,this.readOnly,this._chunkStore,this.attrs.cache);throw new l(t)}async setItem(t,e){return await this.array(t,e,{},!0),!0}async deleteItem(t){if(this.readOnly)throw new c("group is read only");throw new Error("Method not implemented.")}async containsItem(t){const e=this.itemPath(t);return await R(this.store,e)||G(this.store,e)}proxy(){return n(this)}}async function Vt(t,e=null,r,n=!1,i=!0){return t=Dt(t),e=N(e),(n||await G(t))&&await K(t,e,r,n),Ut.create(t,e,!1,r,i)}async function Rt(t,e=null,r="a",n,i=!0){if(t=Dt(t),void 0!==n&&(n=Dt(t)),e=N(e),"r"===r||"r+"===r){if(!await G(t,e)){if(await R(t,e))throw new s(e);throw new h(e)}}else if("w"===r)await K(t,e,n,!0);else if("a"===r){if(!await G(t,e)){if(await R(t,e))throw new s(e);await K(t,e,n)}}else{if("w-"!==r&&"x"!==r)throw new w(`Invalid mode argument: ${r}`);if(await R(t,e))throw new s(e);if(await G(t,e))throw new o(e);await K(t,e,n)}const a="r"===r;return Ut.create(t,e,a,n,i)}class Gt{constructor(){this.object={}}getItem(t){if(!Object.prototype.hasOwnProperty.call(this.object,t))throw new l(t);return this.object[t]}setItem(t,e){return this.object[t]=e,!0}deleteItem(t){return delete this.object[t]}containsItem(t){return Object.prototype.hasOwnProperty.call(this.object,t)}proxy(){return n(this)}keys(){return Object.getOwnPropertyNames(this.object)}}export{a as ArrayNotFoundError,d as BoundsCheckError,s as ContainsArrayError,o as ContainsGroupError,Ut as Group,h as GroupNotFoundError,m as HTTPError,jt as HTTPStore,p as InvalidSliceError,l as KeyError,Tt as MemoryStore,y as NegativeStepError,ft as NestedArray,Gt as ObjectStore,u as PathNotFoundError,c as PermissionError,f as TooManyIndicesError,w as ValueError,Pt as ZarrArray,e as addCodec,Lt as array,Mt as create,n as createProxy,zt as empty,qt as full,r as getCodec,rt as getTypedArrayCtr,nt as getTypedArrayDtypeString,Vt as group,i as isKeyError,Dt as normalizeStoreArgument,Bt as ones,Ft as openArray,Rt as openGroup,dt as rangeTypedArray,g as slice,_ as sliceIndices,$t as zeros};
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