search-index/dist/search-index.js

A network resilient, persistent full-text search library for the browser and Node.js

/*! For license information please see search-index-6.0.1.js.LICENSE.txt */
var SearchIndex;(()=>{var t={796:(t,e,r)=>{"use strict";const n=r(9121),i=r(266),{getOptions:o,emptyOptions:s,noop:a}=r(1343),{prefixDescendantKey:c,isDescendant:u}=r(1450),{PrewriteBatch:l}=r(9767),h=Symbol("status"),f=Symbol("publicOperations"),p=Symbol("legacyOperations"),y=Symbol("privateOperations"),d=Symbol("closePromise"),g=Symbol("length"),m=Symbol("prewriteRun"),v=Symbol("prewriteBatch"),b=Symbol("prewriteData"),E=Symbol("addMode"),w=function(t){let e;return t[d]=new Promise(((r,n)=>{e=()=>{A(t).then(r,n)}})),e},A=async function(t){t[h]="closing",await t._close(),t.db.detachResource(t)};class S{constructor(t,e){this[y]=t,this[f]=e}get length(){return this[y].length}clear(){for(const t of[f,y]){const e=this[t];null!==e&&e.splice(0,e.length)}}}const T=function(t){if("open"!==t[h])throw new i("Batch is not open: cannot change operations after write() or close()",{code:"LEVEL_BATCH_NOT_OPEN"});if("open"!==t.db.status)throw new i("Database is not open",{code:"LEVEL_DATABASE_NOT_OPEN"})};e.AbstractChainedBatch=class{constructor(t,e){if("object"!=typeof t||null===t)throw new TypeError("The first argument must be an abstract-level database, received "+(null===t?"null":typeof t));const r=t.listenerCount("write")>0,n=!t.hooks.prewrite.noop;if(this[f]=r?[]:null,this[p]=r||n?null:[],this[g]=0,this[h]="open",this[d]=null,this[E]=!0===o(e,s).add,n){const e=new S([],r?[]:null);this[b]=e,this[v]=new l(t,e[y],e[f]),this[m]=t.hooks.prewrite.run}else this[b]=null,this[v]=null,this[m]=null;this.db=t,this.db.attachResource(this)}get length(){return null!==this[b]?this[g]+this[b].length:this[g]}put(t,e,r){T(this);const n=null!=(r=o(r,s)).sublevel,a=n?r.sublevel:this.db,l=r,h=a._checkKey(t),y=a._checkValue(e);if(null!=h)throw h;if(null!=y)throw y;const d=Object.assign({},r,{type:"put",key:t,value:e,keyEncoding:a.keyEncoding(r.keyEncoding),valueEncoding:a.valueEncoding(r.valueEncoding)});if(null!==this[m])try{this[m](d,this[v]),d.keyEncoding=a.keyEncoding(d.keyEncoding),d.valueEncoding=a.valueEncoding(d.valueEncoding)}catch(t){throw new i("The prewrite hook failed on batch.put()",{code:"LEVEL_HOOK_ERROR",cause:t})}const b=d.keyEncoding,w=b.encode(d.key),A=b.format,S=n&&!u(d.sublevel,this.db)&&d.sublevel!==this.db,O=n&&!S?c(w,A,a,this.db):w,I=d.valueEncoding,_=I.encode(d.value),L=I.format;if(n&&!S&&(d.sublevel=null),null===this[f]||S){if(null!==this[p]&&!S){const r=Object.assign({},l);r.type="put",r.key=t,r.value=e,this[p].push(r)}}else{const t=Object.assign({},d);t.encodedKey=O,t.encodedValue=_,n&&(t.key=O,t.value=_,t.keyEncoding=this.db.keyEncoding(A),t.valueEncoding=this.db.valueEncoding(L)),this[f].push(t)}return d.key=S?O:this.db.prefixKey(O,A,!0),d.value=_,d.keyEncoding=A,d.valueEncoding=L,this[E]?this._add(d):this._put(d.key,_,d),this[g]++,this}_put(t,e,r){}del(t,e){T(this);const r=null!=(e=o(e,s)).sublevel,n=r?e.sublevel:this.db,a=e,u=n._checkKey(t);if(null!=u)throw u;const l=Object.assign({},e,{type:"del",key:t,keyEncoding:n.keyEncoding(e.keyEncoding)});if(null!==this[m])try{this[m](l,this[v]),l.keyEncoding=n.keyEncoding(l.keyEncoding)}catch(t){throw new i("The prewrite hook failed on batch.del()",{code:"LEVEL_HOOK_ERROR",cause:t})}const h=l.keyEncoding,y=h.encode(l.key),d=h.format,b=r?c(y,d,n,this.db):y;if(r&&(l.sublevel=null),null!==this[f]){const t=Object.assign({},l);t.encodedKey=b,r&&(t.key=b,t.keyEncoding=this.db.keyEncoding(d)),this[f].push(t)}else if(null!==this[p]){const e=Object.assign({},a);e.type="del",e.key=t,this[p].push(e)}return l.key=this.db.prefixKey(b,d,!0),l.keyEncoding=d,this[E]?this._add(l):this._del(l.key,l),this[g]++,this}_del(t,e){}_add(t){}clear(){return T(this),this._clear(),null!==this[f]&&(this[f]=[]),null!==this[p]&&(this[p]=[]),null!==this[b]&&this[b].clear(),this[g]=0,this}_clear(){}async write(t){if(T(this),t=o(t),0===this[g])return this.close();{this[h]="writing";const e=w(this);try{if(null!==this[b]){const t=this[b][f],e=this[b][y],r=this[b].length;for(let t=0;t<r;t++){const r=e[t];this[E]?this._add(r):"put"===r.type?this._put(r.key,r.value,r):this._del(r.key,r)}null!==t&&0!==r&&(this[f]=this[f].concat(t))}await this._write(t)}catch(t){e();try{await this[d]}catch(e){t=n([t,e])}throw t}return e(),null!==this[f]?this.db.emit("write",this[f]):null!==this[p]&&this.db.emit("batch",this[p]),this[d]}}async _write(t){}async close(){return null!==this[d]?this[d].catch(a):(w(this)(),this[d])}async _close(){}}},3527:(t,e,r)=>{"use strict";const n=r(266),i=r(9121),{getOptions:o,emptyOptions:s,noop:a}=r(1343),{AbortError:c}=r(597),u=Symbol("working"),l=Symbol("decodeOne"),h=Symbol("decodeMany"),f=Symbol("signal"),p=Symbol("pendingClose"),y=Symbol("closingPromise"),d=Symbol("keyEncoding"),g=Symbol("valueEncoding"),m=Symbol("keys"),v=Symbol("values"),b=Symbol("limit"),E=Symbol("count"),w=Symbol("ended");class A{constructor(t,e){if("object"!=typeof t||null===t)throw new TypeError("The first argument must be an abstract-level database, received "+(null===t?"null":typeof t));if("object"!=typeof e||null===e)throw new TypeError("The second argument must be an options object");this[u]=!1,this[p]=null,this[y]=null,this[d]=e[d],this[g]=e[g],this[b]=Number.isInteger(e.limit)&&e.limit>=0?e.limit:1/0,this[E]=0,this[f]=null!=e.signal?e.signal:null,this[w]=!1,this.db=t,this.db.attachResource(this)}get count(){return this[E]}get limit(){return this[b]}async next(){O(this);try{if(this[w]||this[E]>=this[b])return void(this[w]=!0);let t=await this._next();if(void 0===t)return void(this[w]=!0);try{t=this[l](t)}catch(t){throw new T(t)}return this[E]++,t}finally{I(this)}}async _next(){}async nextv(t,e){if(!Number.isInteger(t))throw new TypeError("The first argument 'size' must be an integer");e=o(e,s),t<1&&(t=1),this[b]<1/0&&(t=Math.min(t,this[b]-this[E])),O(this);try{if(this[w]||t<=0)return this[w]=!0,[];const r=await this._nextv(t,e);if(0===r.length)return this[w]=!0,r;try{this[h](r)}catch(t){throw new T(t)}return this[E]+=r.length,r}finally{I(this)}}async _nextv(t,e){const r=[];for(;r.length<t;){const t=await this._next(e);if(void 0===t){this[w]=!0;break}r.push(t)}return r}async all(t){t=o(t,s),O(this);try{if(this[w]||this[E]>=this[b])return[];const e=await this._all(t);try{this[h](e)}catch(t){throw new T(t)}return this[E]+=e.length,e}catch(t){I(this),await L(this,t)}finally{this[w]=!0,this[u]&&(I(this),await this.close())}}async _all(t){let e=this[E];const r=[];for(;;){const n=this[b]<1/0?Math.min(1e3,this[b]-e):1e3;if(n<=0)return r;const i=await this._nextv(n,t);if(0===i.length)return r;r.push.apply(r,i),e+=i.length}}seek(t,e){if(e=o(e,s),null!==this[y]);else{if(this[u])throw new n("Iterator is busy: cannot call seek() until next() has completed",{code:"LEVEL_ITERATOR_BUSY"});{const r=this.db.keyEncoding(e.keyEncoding||this[d]),n=r.format;e.keyEncoding!==n&&(e={...e,keyEncoding:n});const i=this.db.prefixKey(r.encode(t),n,!1);this._seek(i,e),this[w]=!1}}}_seek(t,e){throw new n("Iterator does not support seek()",{code:"LEVEL_NOT_SUPPORTED"})}async close(){return null!==this[y]?this[y].catch(a):(this[y]=new Promise(((t,e)=>{this[p]=()=>{this[p]=null,_(this).then(t,e)}})),this[u]||this[p](),this[y])}async _close(){}async*[Symbol.asyncIterator](){try{let t;for(;void 0!==(t=await this.next());)yield t}catch(t){await L(this,t)}finally{await this.close()}}}class S extends A{constructor(t,e){super(t,e),this[m]=!1!==e.keys,this[v]=!1!==e.values}[l](t){const e=t[0],r=t[1];return void 0!==e&&(t[0]=this[m]?this[d].decode(e):void 0),void 0!==r&&(t[1]=this[v]?this[g].decode(r):void 0),t}[h](t){const e=this[d],r=this[g];for(const n of t){const t=n[0],i=n[1];void 0!==t&&(n[0]=this[m]?e.decode(t):void 0),void 0!==i&&(n[1]=this[v]?r.decode(i):void 0)}}}class T extends n{constructor(t){super("Iterator could not decode data",{code:"LEVEL_DECODE_ERROR",cause:t})}}const O=function(t){if(null!==t[y])throw new n("Iterator is not open: cannot read after close()",{code:"LEVEL_ITERATOR_NOT_OPEN"});if(t[u])throw new n("Iterator is busy: cannot read until previous read has completed",{code:"LEVEL_ITERATOR_BUSY"});if(null!==t[f]&&t[f].aborted)throw new c;t[u]=!0},I=function(t){t[u]=!1,null!==t[p]&&t[p]()},_=async function(t){await t._close(),t.db.detachResource(t)},L=async function(t,e){try{await t.close()}catch(t){throw i([e,t])}throw e};S.keyEncoding=d,S.valueEncoding=g,e.AbstractIterator=S,e.AbstractKeyIterator=class extends A{[l](t){return this[d].decode(t)}[h](t){const e=this[d];for(let r=0;r<t.length;r++){const n=t[r];void 0!==n&&(t[r]=e.decode(n))}}},e.AbstractValueIterator=class extends A{[l](t){return this[g].decode(t)}[h](t){const e=this[g];for(let r=0;r<t.length;r++){const n=t[r];void 0!==n&&(t[r]=e.decode(n))}}}},1983:(t,e,r)=>{"use strict";const{supports:n}=r(5356),{Transcoder:i}=r(6035),{EventEmitter:o}=r(7007),s=r(266),a=r(9121),{AbstractIterator:c}=r(3527),{DefaultKeyIterator:u,DefaultValueIterator:l}=r(5682),{DeferredIterator:h,DeferredKeyIterator:f,DeferredValueIterator:p}=r(4416),{DefaultChainedBatch:y}=r(4669),{DatabaseHooks:d}=r(3172),{PrewriteBatch:g}=r(9767),{EventMonitor:m}=r(2107),{getOptions:v,noop:b,emptyOptions:E,resolvedPromise:w}=r(1343),{prefixDescendantKey:A,isDescendant:S}=r(1450),{DeferredQueue:T}=r(971),O=r(386),I=Symbol("resources"),_=Symbol("closeResources"),L=Symbol("queue"),x=Symbol("deferOpen"),U=Symbol("options"),R=Symbol("status"),k=Symbol("statusChange"),N=Symbol("statusLocked"),C=Symbol("defaultOptions"),D=Symbol("transcoder"),B=Symbol("keyEncoding"),F=Symbol("valueEncoding"),j=Symbol("eventMonitor"),P=Symbol("arrayBatch");class M extends o{constructor(t,e){if(super(),"object"!=typeof t||null===t)throw new TypeError("The first argument 'manifest' must be an object");e=v(e);const{keyEncoding:r,valueEncoding:o,passive:s,...a}=e;this[I]=new Set,this[L]=new T,this[x]=!0,this[U]=a,this[R]="opening",this[k]=null,this[N]=!1,this.hooks=new d,this.supports=n(t,{deferredOpen:!0,snapshots:!1!==t.snapshots,permanence:!1!==t.permanence,encodings:t.encodings||{},events:Object.assign({},t.events,{opening:!0,open:!0,closing:!0,closed:!0,write:!0,put:!0,del:!0,batch:!0,clear:!0})}),this[j]=new m(this,[{name:"write"},{name:"put",deprecated:!0,alt:"write"},{name:"del",deprecated:!0,alt:"write"},{name:"batch",deprecated:!0,alt:"write"}]),this[D]=new i(G(this)),this[B]=this[D].encoding(r||"utf8"),this[F]=this[D].encoding(o||"utf8");for(const t of this[D].encodings())this.supports.encodings[t.commonName]||(this.supports.encodings[t.commonName]=!0);this[C]={empty:E,entry:Object.freeze({keyEncoding:this[B].commonName,valueEncoding:this[F].commonName}),entryFormat:Object.freeze({keyEncoding:this[B].format,valueEncoding:this[F].format}),key:Object.freeze({keyEncoding:this[B].commonName}),keyFormat:Object.freeze({keyEncoding:this[B].format})},queueMicrotask((()=>{this[x]&&this.open({passive:!1}).catch(b)}))}get status(){return this[R]}get parent(){return null}keyEncoding(t){return this[D].encoding(null!=t?t:this[B])}valueEncoding(t){return this[D].encoding(null!=t?t:this[F])}async open(t){(t={...this[U],...v(t)}).createIfMissing=!1!==t.createIfMissing,t.errorIfExists=!!t.errorIfExists;const e=this.hooks.postopen.noop?null:this.hooks.postopen.run,r=t.passive;for(r&&this[x]&&await void 0,z(this);null!==this[k];)await this[k].catch(b);if(z(this),r){if("open"!==this[R])throw new H}else if("closed"===this[R]||this[x]){this[x]=!1,this[k]=w,this[k]=(async()=>{this[R]="opening";try{this.emit("opening"),await this._open(t)}catch(t){this[R]="closed",this[L].drain();try{await this[_]()}catch(e){t=a([t,e])}throw new H(t)}if(this[R]="open",null!==e){let r;try{this[N]=!0,await e(t)}catch(t){r=K(t)}finally{this[N]=!1}if(r){this[R]="closing",this[L].drain();try{await this[_](),await this._close()}catch(t){this[N]=!0,r=a([r,t])}throw this[R]="closed",new s("The postopen hook failed on open()",{code:"LEVEL_HOOK_ERROR",cause:r})}}this[L].drain(),this.emit("open")})();try{await this[k]}finally{this[k]=null}}else if("open"!==this[R])throw new H}async _open(t){}async close(){for(z(this);null!==this[k];)await this[k].catch(b);if(z(this),"open"===this[R]||this[x]){const t=this[x];this[x]=!1,this[k]=w,this[k]=(async()=>{this[R]="closing",this[L].drain();try{this.emit("closing"),await this[_](),t||await this._close()}catch(t){throw this[R]="open",this[L].drain(),new q(t)}this[R]="closed",this[L].drain(),this.emit("closed")})();try{await this[k]}finally{this[k]=null}}else if("closed"!==this[R])throw new q}async[_](){if(0===this[I].size)return;const t=Array.from(this[I]),e=t.map(W);return Promise.allSettled(e).then((async e=>{const r=[];for(let n=0;n<e.length;n++)"fulfilled"===e[n].status?this[I].delete(t[n]):r.push(K(e[n].reason));if(r.length>0)throw a(r)}))}async _close(){}async get(t,e){if(e=v(e,this[C].entry),"opening"===this[R])return this.deferAsync((()=>this.get(t,e)));$(this);const r=this._checkKey(t);if(r)throw r;const n=this.keyEncoding(e.keyEncoding),i=this.valueEncoding(e.valueEncoding),o=n.format,a=i.format;e.keyEncoding===o&&e.valueEncoding===a||(e=Object.assign({},e,{keyEncoding:o,valueEncoding:a}));const c=n.encode(t),u=await this._get(this.prefixKey(c,o,!0),e);try{return void 0===u?u:i.decode(u)}catch(r){throw new s("Could not decode value",{code:"LEVEL_DECODE_ERROR",cause:r})}}async _get(t,e){}async getMany(t,e){if(e=v(e,this[C].entry),"opening"===this[R])return this.deferAsync((()=>this.getMany(t,e)));if($(this),!Array.isArray(t))throw new TypeError("The first argument 'keys' must be an array");if(0===t.length)return[];const r=this.keyEncoding(e.keyEncoding),n=this.valueEncoding(e.valueEncoding),i=r.format,o=n.format;e.keyEncoding===i&&e.valueEncoding===o||(e=Object.assign({},e,{keyEncoding:i,valueEncoding:o}));const a=new Array(t.length);for(let e=0;e<t.length;e++){const n=t[e],o=this._checkKey(n);if(o)throw o;a[e]=this.prefixKey(r.encode(n),i,!0)}const c=await this._getMany(a,e);try{for(let t=0;t<c.length;t++)void 0!==c[t]&&(c[t]=n.decode(c[t]))}catch(t){throw new s(`Could not decode one or more of ${c.length} value(s)`,{code:"LEVEL_DECODE_ERROR",cause:t})}return c}async _getMany(t,e){return new Array(t.length).fill(void 0)}async put(t,e,r){if(!this.hooks.prewrite.noop)return this.batch([{type:"put",key:t,value:e}],r);if(r=v(r,this[C].entry),"opening"===this[R])return 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n=this.keyEncoding(e.keyEncoding),i=n.format,o=this[j].write,s=e;e===this[C].key?e=this[C].keyFormat:e.keyEncoding!==i&&(e=Object.assign({},e,{keyEncoding:i}));const a=n.encode(t),c=this.prefixKey(a,i,!0);if(await this._del(c,e),o){const e=Object.assign({},s,{type:"del",key:t,keyEncoding:n,encodedKey:a});this.emit("write",[e])}else this.emit("del",t)}async _del(t,e){}batch(t,e){return arguments.length?(e=v(e,this[C].empty),this[P](t,e)):($(this),this._chainedBatch())}async[P](t,e){if("opening"===this[R])return this.deferAsync((()=>this[P](t,e)));if($(this),!Array.isArray(t))throw new TypeError("The first argument 'operations' must be an array");if(0===t.length)return;const r=t.length,n=!this.hooks.prewrite.noop,i=this[j].write,o=i?new Array(r):null,a=new Array(r),c=n?new g(this,a,o):null;for(let u=0;u<r;u++){const r=Object.assign({},e,t[u]),l="put"===r.type,h=null!=r.sublevel,f=h?r.sublevel:this,p=f._checkKey(r.key);if(null!=p)throw p;if(r.keyEncoding=f.keyEncoding(r.keyEncoding),l){const t=f._checkValue(r.value);if(null!=t)throw t;r.valueEncoding=f.valueEncoding(r.valueEncoding)}else if("del"!==r.type)throw new TypeError("A batch operation must have a type property that is 'put' or 'del'");if(n)try{this.hooks.prewrite.run(r,c),r.keyEncoding=f.keyEncoding(r.keyEncoding),l&&(r.valueEncoding=f.valueEncoding(r.valueEncoding))}catch(t){throw new s("The prewrite hook failed on batch()",{code:"LEVEL_HOOK_ERROR",cause:t})}const y=r.keyEncoding,d=y.encode(r.key),g=y.format,m=h&&!S(r.sublevel,this)&&r.sublevel!==this,v=h&&!m?A(d,g,f,this):d;h&&!m&&(r.sublevel=null);let b=null;if(i&&!m&&(b=Object.assign({},r),b.encodedKey=v,h&&(b.key=v,b.keyEncoding=this.keyEncoding(g)),o[u]=b),r.key=m?v:this.prefixKey(v,g,!0),r.keyEncoding=g,l){const t=r.valueEncoding,e=t.encode(r.value),n=t.format;r.value=e,r.valueEncoding=n,i&&!m&&(b.encodedValue=e,h&&(b.value=e,b.valueEncoding=this.valueEncoding(n)))}a[u]=r}await 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