@nozbe/lokijs/build/lokijs.min.js

Nozbe's fork of LokiJS, optimized for WatermelonDB

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void this.collections.splice(e,1)}},y.prototype.getName=function(){return this.name},y.prototype.serializeReplacer=function(t,e){switch(t){case"autosaveHandle":case"persistenceAdapter":case"constraints":case"ttl":return null;case"throttledSavePending":case"throttledCallbacks":return;case"lokiConsoleWrapper":return null;default:return e}},y.prototype.serialize=function(t){switch(t=t||{},t.hasOwnProperty("serializationMethod")||(t.serializationMethod=this.options.serializationMethod),t.serializationMethod){case"normal":return JSON.stringify(this,this.serializeReplacer);case"pretty":return JSON.stringify(this,this.serializeReplacer,2);case"destructured":return this.serializeDestructured();default:return JSON.stringify(this,this.serializeReplacer)}},y.prototype.toJson=y.prototype.serialize,y.prototype.serializeDestructured=function(t){var e,i,r,n,s,o=[];if(t=t||{},t.hasOwnProperty("partitioned")||(t.partitioned=!1),t.hasOwnProperty("delimited")||(t.delimited=!0),t.hasOwnProperty("delimiter")||(t.delimiter=this.options.destructureDelimiter),!0===t.partitioned&&t.hasOwnProperty("partition")&&t.partition>=0)return this.serializeCollection({delimited:t.delimited,delimiter:t.delimiter,collectionIndex:t.partition});for(s=new y(this.filename),s.loadJSONObject(this),e=0;e<s.collections.length;e++)s.collections[e].data=[];if(!0===t.partitioned&&-1===t.partition)return s.serialize({serializationMethod:"normal"});for(o.push(s.serialize({serializationMethod:"normal"})),s=null,e=0;e<this.collections.length;e++)if(r=this.serializeCollection({delimited:t.delimited,delimiter:t.delimiter,collectionIndex:e}),!1===t.partitioned&&!1===t.delimited){if(!Array.isArray(r))throw new Error("a nondelimited, non partitioned collection serialization did not return an expected array");for(n=r.length,i=0;i<n;i++)o.push(r[i]),r[i]=null;o.push("")}else o.push(r);return t.partitioned?(t.delimited,o):t.delimited?(o.push(""),o.join(t.delimiter)):(o.push(""),o)},y.prototype.serializeCollection=function(t){var e,i,r=[];if(t=t||{},t.hasOwnProperty("delimited")||(t.delimited=!0),!t.hasOwnProperty("collectionIndex"))throw new Error("serializeCollection called without 'collectionIndex' option");for(e=this.collections[t.collectionIndex].data.length,r=[],i=0;i<e;i++)r.push(JSON.stringify(this.collections[t.collectionIndex].data[i]));return t.delimited?(r.push(""),r.join(t.delimiter)):r},y.prototype.deserializeDestructured=function(t,e){var i,r,n,s=[],o=0,a=1,l=!1;if(e=e||{},e.hasOwnProperty("partitioned")||(e.partitioned=!1),e.hasOwnProperty("delimited")||(e.delimited=!0),e.hasOwnProperty("delimiter")||(e.delimiter=this.options.destructureDelimiter),e.partitioned){if(e.hasOwnProperty("partition"))return-1===e.partition?i=JSON.parse(t[0]):this.deserializeCollection(t[e.partition+1],e);for(i=JSON.parse(t[0]),r=i.collections.length,o=0;o<r;o++)i.collections[o].data=this.deserializeCollection(t[o+1],e);return i}if(e.delimited){if(s=t.split(e.delimiter),t=null,0===s.length)return null}else s=t;for(i=JSON.parse(s[0]),r=i.collections.length,s[0]=null;!l;)s[a],""===s[a]?++o>r&&(l=!0):(n=JSON.parse(s[a]),i.collections[o].data.push(n)),s[a++]=null;return i},y.prototype.deserializeCollection=function(t,e){var i,r,n=[];for(e=e||{},e.hasOwnProperty("partitioned")||(e.partitioned=!1),e.hasOwnProperty("delimited")||(e.delimited=!0),e.hasOwnProperty("delimiter")||(e.delimiter=this.options.destructureDelimiter),e.delimited?(n=t.split(e.delimiter),n.pop()):n=t,r=n.length,i=0;i<r;i++)n[i]=JSON.parse(n[i]);return n},y.prototype.loadJSON=function(t,e){var i;if(0===t.length)i={};else switch(this.options.serializationMethod){case"normal":case"pretty":i=JSON.parse(t);break;case"destructured":i=this.deserializeDestructured(t);break;default:i=JSON.parse(t)}this.loadJSONObject(i,e)},y.prototype.loadJSONObject=function(e,i){var r,n,s,o,a,l,h=0,c=e.collections?e.collections.length:0;for(this.name=e.name,e.hasOwnProperty("throttledSaves")&&i&&!i.hasOwnProperty("throttledSaves")&&(this.throttledSaves=e.throttledSaves),this.collections=[],h;h<c;h+=1){if(r=e.collections[h],n=this.addCollection(r.name,{disableChangesApi:r.disableChangesApi,disableDeltaChangesApi:r.disableDeltaChangesApi,disableMeta:r.disableMeta,disableFreeze:!r.hasOwnProperty("disableFreeze")||r.disableFreeze}),n.adaptiveBinaryIndices=!!r.hasOwnProperty("adaptiveBinaryIndices")&&!0===r.adaptiveBinaryIndices,n.transactional=r.transactional,n.asyncListeners=r.asyncListeners,n.cloneObjects=r.cloneObjects,n.cloneMethod=r.cloneMethod||"parse-stringify",n.autoupdate=r.autoupdate,n.changes=r.changes,n.dirtyIds=r.dirtyIds||[],i&&!0===i.retainDirtyFlags?n.dirty=r.dirty:n.dirty=!1,r.getData){if(i&&i.hasOwnProperty(r.name)||!n.disableFreeze||n.autoupdate)throw new Error("this collection cannot be loaded lazily: "+r.name);n.getData=r.getData,Object.defineProperty(n,"data",{get:function(){var t=this.getData();return this.getData=null,Object.defineProperty(this,"data",{value:t,writable:!0}),t}})}else if(s=r.data.length,o=0,i&&i.hasOwnProperty(r.name))for(a=function(t){var e,r=i[t.name];return r.proto?(e=r.inflate||R.copyProperties,function(t){var i=new r.proto;return e(t,i),i}):r.inflate}(r),o;o<s;o++)l=a(r.data[o]),n.data[o]=l,n.addAutoUpdateObserver(l),n.disableFreeze||t(n.data[o]);else for(o;o<s;o++)n.data[o]=r.data[o],n.addAutoUpdateObserver(n.data[o]),n.disableFreeze||t(n.data[o]);if(n.maxId=void 0===r.maxId?0:r.maxId,void 0!==r.binaryIndices&&(n.binaryIndices=r.binaryIndices),void 0!==r.transforms&&(n.transforms=r.transforms),n.uniqueNames=[],r.hasOwnProperty("uniqueNames")&&(n.uniqueNames=r.uniqueNames),void 0!==r.DynamicViews){for(var u=0;u<r.DynamicViews.length;u++){var d=r.DynamicViews[u],p=n.addDynamicView(d.name,d.options);p.resultdata=d.resultdata,p.resultsdirty=d.resultsdirty,p.filterPipeline=d.filterPipeline,p.sortCriteriaSimple=d.sortCriteriaSimple,p.sortCriteria=d.sortCriteria,p.sortFunction=null,p.sortDirty=d.sortDirty,n.disableFreeze||(t(p.filterPipeline),p.sortCriteriaSimple?t(p.sortCriteriaSimple):p.sortCriteria&&t(p.sortCriteria)),p.resultset.filteredrows=d.resultset.filteredrows,p.resultset.filterInitialized=d.resultset.filterInitialized,p.rematerialize({removeWhereFilters:!0})}e.databaseVersion<1.5&&(n.ensureAllIndexes(!0),n.dirty=!0)}}},y.prototype.close=function(t){this.autosave&&(this.autosaveDisable(),this.autosaveDirty()&&(this.saveDatabase(t),t=void 0)),t&&this.on("close",t),this.emit("close")},y.prototype.generateChangesNotification=function(t){function e(t){return t.name}var i=[],r=t||this.collections.map(e);return this.collections.forEach(function(t){-1!==r.indexOf(e(t))&&(i=i.concat(t.getChanges()))}),i},y.prototype.serializeChanges=function(t){return JSON.stringify(this.generateChangesNotification(t))},y.prototype.clearChanges=function(){this.collections.forEach(function(t){t.flushChanges&&t.flushChanges()})},v.prototype.loadDatabase=function(t,e){var i=this;this.options.asyncResponses?setTimeout(function(){e(i.hashStore.hasOwnProperty(t)?i.hashStore[t].value:null)},this.options.asyncTimeout):e(this.hashStore.hasOwnProperty(t)?this.hashStore[t].value:null)},v.prototype.saveDatabase=function(t,e,i){var r,n=this;this.options.asyncResponses?setTimeout(function(){r=n.hashStore.hasOwnProperty(t)?n.hashStore[t].savecount:0,n.hashStore[t]={savecount:r+1,lastsave:new Date,value:e},i()},this.options.asyncTimeout):(r=this.hashStore.hasOwnProperty(t)?this.hashStore[t].savecount:0,this.hashStore[t]={savecount:r+1,lastsave:new Date,value:e},i())},v.prototype.deleteDatabase=function(t,e){this.hashStore.hasOwnProperty(t)&&delete this.hashStore[t],"function"==typeof e&&e()},g.prototype.loadDatabase=function(t,e){var i=this;this.dbname=t,this.dbref=new y(t),this.adapter.loadDatabase(t,function(t){if(!t)return void e(t);"string"!=typeof t&&e(new Error("LokiPartitioningAdapter received an unexpected response from inner adapter loadDatabase()"));var r=JSON.parse(t);i.dbref.loadJSONObject(r),r=null;i.dbref.collections.length;if(0===i.dbref.collections.length)return void e(i.dbref);i.pageIterator={collection:0,pageIndex:0},i.loadNextPartition(0,function(){e(i.dbref)})})},g.prototype.loadNextPartition=function(t,e){var i=this.dbname+"."+t,r=this;if(!0===this.options.paging)return this.pageIterator.pageIndex=0,void this.loadNextPage(e);this.adapter.loadDatabase(i,function(i){var n=r.dbref.deserializeCollection(i,{delimited:!0,collectionIndex:t});r.dbref.collections[t].data=n,++t<r.dbref.collections.length?r.loadNextPartition(t,e):e()})},g.prototype.loadNextPage=function(t){var e=this.dbname+"."+this.pageIterator.collection+"."+this.pageIterator.pageIndex,i=this;this.adapter.loadDatabase(e,function(e){var r=e.split(i.options.delimiter);e="";var n,s=r.length,o=""===r[s-1];for(o&&(r.pop(),s=r.length,""===r[s-1]&&1===s&&(r.pop(),s=r.length)),n=0;n<s;n++)i.dbref.collections[i.pageIterator.collection].data.push(JSON.parse(r[n])),r[n]=null;r=[],o?++i.pageIterator.collection<i.dbref.collections.length?i.loadNextPartition(i.pageIterator.collection,t):t():(i.pageIterator.pageIndex++,i.loadNextPage(t))})},g.prototype.exportDatabase=function(t,e,i){var r,n=e.collections.length;for(this.dbref=e,this.dbname=t,this.dirtyPartitions=[-1],r=0;r<n;r++)e.collections[r].dirty&&this.dirtyPartitions.push(r);this.saveNextPartition(function(t){i(t)})},g.prototype.saveNextPartition=function(t){var e=this,i=this.dirtyPartitions.shift(),r=this.dbname+(-1===i?"":"."+i);if(this.options.paging&&-1!==i)return this.pageIterator={collection:i,docIndex:0,pageIndex:0},void this.saveNextPage(function(i){0===e.dirtyPartitions.length?t(i):e.saveNextPartition(t)});var n=this.dbref.serializeDestructured({partitioned:!0,delimited:!0,partition:i});this.adapter.saveDatabase(r,n,function(i){if(i)return void t(i);0===e.dirtyPartitions.length?t(null):e.saveNextPartition(t)})},g.prototype.saveNextPage=function(t){var e=this,i=this.dbref.collections[this.pageIterator.collection],r=this.dbname+"."+this.pageIterator.collection+"."+this.pageIterator.pageIndex,n=0,s=i.data.length,o=this.options.delimiter.length,a="",l="",h=!1,c=!1,u=function(i){l="",i&&t(i),h?t(null):(e.pageIterator.pageIndex++,e.saveNextPage(t))};for(0===i.data.length&&(h=!0);;)if(h||(a=JSON.stringify(i.data[this.pageIterator.docIndex]),l+=a,n+=a.length,++this.pageIterator.docIndex>=s&&(h=!0)),n>=this.options.pageSize&&(c=!0),c&&!h||(l+=this.options.delimiter,n+=o),h||c)return void this.adapter.saveDatabase(r,l,u)},m.prototype.loadDatabase=function(t,e){var i=this;this.fs.stat(t,function(r,n){!r&&n.isFile()?i.fs.readFile(t,{encoding:"utf8"},function(t,i){e(t?new Error(t):i)}):e(null)})},m.prototype.saveDatabase=function(t,e,i){var r=this,n=t+"~";this.fs.writeFile(n,e,function(e){e?i(new Error(e)):r.fs.rename(n,t,i)})},m.prototype.deleteDatabase=function(t,e){this.fs.unlink(t,function(t){t?e(new Error(t)):e()})},b.prototype.loadDatabase=function(t,e){e(p()?localStorage.getItem(t):new Error("localStorage is not available"))},b.prototype.saveDatabase=function(t,e,i){p()?(localStorage.setItem(t,e),i(null)):i(new Error("localStorage is not available"))},b.prototype.deleteDatabase=function(t,e){p()?(localStorage.removeItem(t),e(null)):e(new Error("localStorage is not available"))},y.prototype.throttledSaveDrain=function(t,e){var i=this,r=(new Date).getTime();if(this.throttledSaves||t(!0),e=e||{},e.hasOwnProperty("recursiveWait")||(e.recursiveWait=!0),e.hasOwnProperty("recursiveWaitLimit")||(e.recursiveWaitLimit=!1),e.hasOwnProperty("recursiveWaitLimitDuration")||(e.recursiveWaitLimitDuration=2e3),e.hasOwnProperty("started")||(e.started=(new Date).getTime()),this.throttledSaves&&this.throttledSavePending){if(!e.recursiveWait)return void this.throttledCallbacks.push(t);this.throttledCallbacks.push(function(){return i.throttledSavePending?e.recursiveWaitLimit&&r-e.started>e.recursiveWaitLimitDuration?void t(!1):void i.throttledSaveDrain(t,e):void t(!0)})}else t(!0)},y.prototype.loadDatabaseInternal=function(t,e){var i=e||function(t,e){if(t)throw t},r=this;null!==this.persistenceAdapter?this.persistenceAdapter.loadDatabase(this.filename,function(e){if("string"==typeof e){var n=!1;try{r.loadJSON(e,t||{}),n=!0}catch(t){i(t)}n&&(i(null),r.emit("loaded","database "+r.filename+" loaded"))}else{if(!e)return i(null),void r.emit("loaded","empty database "+r.filename+" loaded");if(e instanceof Error)return void i(e);if("object"==typeof e)return r.loadJSONObject(e,t||{}),i(null),void r.emit("loaded","database "+r.filename+" loaded");i("unexpected adapter response : "+e)}}):i(new Error("persistenceAdapter not configured"))},y.prototype.loadDatabase=function(t,e){var i=this;if(!this.throttledSaves)return void this.loadDatabaseInternal(t,e);this.throttledSaveDrain(function(r){if(r)return i.throttledSavePending=!0,void i.loadDatabaseInternal(t,function(t){0===i.throttledCallbacks.length?i.throttledSavePending=!1:i.saveDatabase(),"function"==typeof e&&e(t)});"function"==typeof e&&e(new Error("Unable to pause save throttling long enough to read database"))},t)},y.prototype.saveDatabaseInternal=function(t){var e=t||function(t){if(t)throw t},i=this;if(!this.persistenceAdapter)return void e(new Error("persistenceAdapter not configured"));if("incremental"===this.persistenceAdapter.mode){var r;this.ignoreAutosave=!0,this.persistenceAdapter.saveDatabase(this.filename,function(){if(i.ignoreAutosave=!1,r)return void e(new Error("adapter error - getLokiCopy called more than once"));var t=i.copy({removeNonSerializable:!0});return r=i.collections.map(function(t){return[t.dirty,t.dirtyIds]}),i.collections.forEach(function(t){t.dirty=!1,t.dirtyIds=[]}),t},function(t){i.ignoreAutosave=!1,t&&r&&i.collections.forEach(function(t,e){var i=r[e];t.dirty=t.dirty||i[0],t.dirtyIds=t.dirtyIds.concat(i[1])}),e(t)})}else"reference"===this.persistenceAdapter.mode&&"function"==typeof this.persistenceAdapter.exportDatabase?this.persistenceAdapter.exportDatabase(this.filename,this.copy({removeNonSerializable:!0}),function(t){i.autosaveClearFlags(),e(t)}):(this.autosaveClearFlags(),this.persistenceAdapter.saveDatabase(this.filename,this.serialize(),function(t){e(t)
}))},y.prototype.saveDatabase=function(t){if(!this.throttledSaves)return void this.saveDatabaseInternal(t);if(this.throttledSavePending)return void this.throttledCallbacks.push(t);var e=this.throttledCallbacks;this.throttledCallbacks=[],e.unshift(t),this.throttledSavePending=!0;var i=this;this.saveDatabaseInternal(function(t){i.throttledSavePending=!1,e.forEach(function(e){"function"==typeof e&&setTimeout(function(){e(t)},1)}),i.throttledCallbacks.length>0&&i.saveDatabase()})},y.prototype.save=y.prototype.saveDatabase,y.prototype.deleteDatabase=function(t,e){var i=e||function(t,e){if(t)throw t};"function"!=typeof t||e||(i=t),null!==this.persistenceAdapter?this.persistenceAdapter.deleteDatabase(this.filename,function(t){i(t)}):i(new Error("persistenceAdapter not configured"))},y.prototype.autosaveDirty=function(){for(var t=0;t<this.collections.length;t++)if(this.collections[t].dirty)return!0;return!1},y.prototype.autosaveClearFlags=function(){for(var t=0;t<this.collections.length;t++)this.collections[t].dirty=!1},y.prototype.autosaveEnable=function(t,e){this.autosave=!0;var i=5e3,r=this;void 0!==this.autosaveInterval&&null!==this.autosaveInterval&&(i=this.autosaveInterval),this.autosaveHandle=setInterval(function(){r.autosaveDirty()&&!r.ignoreAutosave&&r.saveDatabase(e)},i)},y.prototype.autosaveDisable=function(){void 0!==this.autosaveHandle&&null!==this.autosaveHandle&&(clearInterval(this.autosaveHandle),this.autosaveHandle=null)},w.prototype.reset=function(){return this.filteredrows.length>0&&(this.filteredrows=[]),this.filterInitialized=!1,this},w.prototype.toJSON=function(){var t=this.copy();return t.collection=null,t},w.prototype.limit=function(t){this.filterInitialized||0!==this.filteredrows.length||(this.filteredrows=this.collection.prepareFullDocIndex());var e=new w(this.collection);return e.filteredrows=this.filteredrows.slice(0,t),e.filterInitialized=!0,e},w.prototype.offset=function(t){this.filterInitialized||0!==this.filteredrows.length||(this.filteredrows=this.collection.prepareFullDocIndex());var e=new w(this.collection);return e.filteredrows=this.filteredrows.slice(t),e.filterInitialized=!0,e},w.prototype.copy=function(){var t=new w(this.collection);return this.filteredrows.length>0&&(t.filteredrows=this.filteredrows.slice()),t.filterInitialized=this.filterInitialized,t},w.prototype.branch=w.prototype.copy,w.prototype.transform=function(t,e){var i,r,n=this;if("string"==typeof t&&this.collection.transforms.hasOwnProperty(t)&&(t=this.collection.transforms[t]),"object"!=typeof t||!Array.isArray(t))throw new Error("Invalid transform");for(void 0!==e&&(t=R.resolveTransformParams(t,e)),i=0;i<t.length;i++)switch(r=t[i],r.type){case"find":n.find(r.value);break;case"where":n.where(r.value);break;case"simplesort":n.simplesort(r.property,r.desc||r.options);break;case"compoundsort":n.compoundsort(r.value);break;case"sort":n.sort(r.value);break;case"limit":n=n.limit(r.value);break;case"offset":n=n.offset(r.value);break;case"map":n=n.map(r.value,r.dataOptions);break;case"eqJoin":n=n.eqJoin(r.joinData,r.leftJoinKey,r.rightJoinKey,r.mapFun,r.dataOptions);break;case"mapReduce":n=n.mapReduce(r.mapFunction,r.reduceFunction);break;case"update":n.update(r.value);break;case"remove":n.remove()}return n},w.prototype.sort=function(t){this.filterInitialized||0!==this.filteredrows.length||(this.filteredrows=this.collection.prepareFullDocIndex());var e=function(t,e){return function(i,r){return t(e[i],e[r])}}(t,this.collection.data);return this.filteredrows.sort(e),this},w.prototype.simplesort=function(t,e){var i,r=10,n=this.collection.data.length,s=this.filteredrows.length,a=this.collection.binaryIndices.hasOwnProperty(t);if(void 0!==e&&!1!==e||(e={desc:!1}),!0===e&&(e={desc:!0}),0===s){if(this.filterInitialized)return this;if(this.collection.binaryIndices.hasOwnProperty(t))return this.collection.ensureIndex(t),this.filteredrows=this.collection.binaryIndices[t].values.slice(0),e.desc&&this.filteredrows.reverse(),this;this.filteredrows=this.collection.prepareFullDocIndex()}else if(!e.disableIndexIntersect&&a&&(i=n/s,e.useJavascriptSorting&&(r=6),i<=r||e.forceIndexIntersect)){var l,h=this.filteredrows,c={};for(l=0;l<s;l++)c[h[l]]=!0;var u=this.collection.binaryIndices[t].values;return this.filteredrows=u.filter(function(t){return c[t]}),e.desc&&this.filteredrows.reverse(),this}if(e.useJavascriptSorting)return this.sort(function(e,i){return e[t]===i[t]?0:e[t]>i[t]?1:e[t]<i[t]?-1:void 0});var d=function(t,e,i){var r,n,s;return function(a,l){return~t.indexOf(".")?(s=t.split("."),r=R.getIn(i[a],s,!0),n=R.getIn(i[l],s,!0)):(r=i[a][t],n=i[l][t]),o(r,n,e)}}(t,e.desc,this.collection.data);return this.filteredrows.sort(d),this},w.prototype.compoundsort=function(t){if(0===t.length)throw new Error("Invalid call to compoundsort, need at least one property");var e;if(1===t.length)return e=t[0],Array.isArray(e)?this.simplesort(e[0],e[1]):this.simplesort(e,!1);for(var i=0,r=t.length;i<r;i+=1)e=t[i],Array.isArray(e)||(t[i]=[e,!1]);this.filterInitialized||0!==this.filteredrows.length||(this.filteredrows=this.collection.prepareFullDocIndex());var n=function(t,e){return function(i,r){return a(t,e[i],e[r])}}(t,this.collection.data);return this.filteredrows.sort(n),this},w.prototype.findOr=function(t){for(var e=null,i=0,r=0,n=[],s=[],o=0,a=(this.count(),0),l=t.length;a<l;a++)for(e=this.branch().find(t[a]).filteredrows,r=e.length,i=0;i<r;i++)o=e[i],void 0===s[o]&&(s[o]=!0,n.push(o));return this.filteredrows=n,this.filterInitialized=!0,this},w.prototype.$or=w.prototype.findOr,w.prototype.findAnd=function(t){for(var e=0,i=t.length;e<i;e++){if(0===this.count())return this;this.find(t[e])}return this},w.prototype.$and=w.prototype.findAnd,w.prototype.find=function(t,e){if(0===this.collection.data.length)return this.filteredrows=[],this.filterInitialized=!0,this;var i,r,n,s,o,a,h,c=t||"getAll",u=!1,d=[],p=[],f=null;if(e=e||!1,"object"==typeof c){for(i in c)s={},s[i]=c[i],p.push(s),M.call(c,i)&&(r=i,n=c[i]);if(p.length>1)return this.find({$and:p},e)}if(!r||"getAll"===c)return e&&(this.filterInitialized?this.filteredrows=this.filteredrows.slice(0,1):(this.filteredrows=this.collection.data.length>0?[0]:[],this.filterInitialized=!0)),this;if("$and"===r||"$or"===r)return this[r](n),e&&this.filteredrows.length>1&&(this.filteredrows=this.filteredrows.slice(0,1)),this;if(null===n||"object"!=typeof n||n instanceof Date)o="$eq",a=n;else{if("object"!=typeof n)throw new Error("Do not know what you want to do.");for(h in n)if(M.call(n,h)){o=h,a=n[h];break}}"$regex"!==o&&"object"!=typeof a||(a=I(o,a));var y=-1!==r.indexOf(".");!this.filterInitialized&&this.collection.binaryIndices[r]&&J[o]&&(!0!==this.collection.adaptiveBinaryIndices&&this.collection.ensureIndex(r),u=!0,f=this.collection.binaryIndices[r]),!u&&"$in"===o&&Array.isArray(a)&&"undefined"!=typeof Set&&(a=new Set(a),o="$inSet");var v,g,m=T[o],b=this.collection.data,w=0,O=0,x=0;if(this.filterInitialized){if(v=this.filteredrows,O=v.length,y){for(r=r.split("."),w=0;w<O;w++)if(x=v[w],g=b[x],l(g,r,m,a,g)&&(d.push(x),e))return this.filteredrows=d,this}else for(w=0;w<O;w++)if(x=v[w],g=b[x],m(g[r],a,g)&&(d.push(x),e))return this.filteredrows=d,this}else if(u){var P=this.collection.calculateRange(o,r,a);if("$in"!==o){for(w=P[0];w<=P[1];w++)if(!0!==J[o]){if(J[o](R.getIn(b[f.values[w]],r,y),a)&&(d.push(f.values[w]),e))return this.filteredrows=d,this.filterInitialized=!0,this}else if(d.push(f.values[w]),e)return this.filteredrows=d,this.filterInitialized=!0,this}else for(w=0,O=P.length;w<O;w++)if(d.push(f.values[P[w]]),e)return this.filteredrows=d,this.filterInitialized=!0,this}else if(O=b.length,y){for(r=r.split("."),w=0;w<O;w++)if(g=b[w],l(g,r,m,a,g)&&(d.push(w),e))return this.filteredrows=d,this.filterInitialized=!0,this}else for(w=0;w<O;w++)if(g=b[w],m(g[r],a,g)&&(d.push(w),e))return this.filteredrows=d,this.filterInitialized=!0,this;return this.filteredrows=d,this.filterInitialized=!0,this},w.prototype.where=function(t){var e,i=[];if("function"!=typeof t)throw new TypeError("Argument is not a stored view or a function");e=t;try{if(this.filterInitialized){for(var r=this.filteredrows.length;r--;)!0===e(this.collection.data[this.filteredrows[r]])&&i.push(this.filteredrows[r]);return this.filteredrows=i,this}for(var n=this.collection.data.length;n--;)!0===e(this.collection.data[n])&&i.push(n);return this.filteredrows=i,this.filterInitialized=!0,this}catch(t){throw t}},w.prototype.count=function(){return this.filterInitialized?this.filteredrows.length:this.collection.count()},w.prototype.data=function(t){var e,i,r,n,s=[],o=this.collection.data;if(t=t||{},t.removeMeta&&!t.forceClones&&(t.forceClones=!0,t.forceCloneMethod=t.forceCloneMethod||"shallow"),!this.collection.disableDeltaChangesApi&&this.collection.disableFreeze&&(t.forceClones=!0,t.forceCloneMethod="parse-stringify"),!this.filterInitialized){if(0===this.filteredrows.length){if(this.collection.cloneObjects||t.forceClones){for(i=o.length,n=t.forceCloneMethod||this.collection.cloneMethod,r=0;r<i;r++)e=u(o[r],n),t.removeMeta&&(delete e.$loki,delete e.meta),s.push(e);return s}return o.slice()}this.filterInitialized=!0}var a=this.filteredrows;if(i=a.length,this.collection.cloneObjects||t.forceClones)for(n=t.forceCloneMethod||this.collection.cloneMethod,r=0;r<i;r++)e=u(o[a[r]],n),t.removeMeta&&(delete e.$loki,delete e.meta),s.push(e);else for(r=0;r<i;r++)s.push(o[a[r]]);return s},w.prototype.update=function(t){if("function"!=typeof t)throw new TypeError("Argument is not a function");this.filterInitialized||0!==this.filteredrows.length||(this.filteredrows=this.collection.prepareFullDocIndex());for(var e,i=this.filteredrows.length,r=this.collection.data,n=0;n<i;n++)this.disableFreeze&&!this.collection.cloneObjects&&this.collection.disableDeltaChangesApi?(t(r[this.filteredrows[n]]),this.collection.update(r[this.filteredrows[n]])):(e=u(r[this.filteredrows[n]],this.collection.cloneMethod),t(e),this.collection.update(e));return this},w.prototype.remove=function(){return this.filterInitialized||0!==this.filteredrows.length||(this.filteredrows=this.collection.prepareFullDocIndex()),this.collection.removeBatchByPositions(this.filteredrows),this.filteredrows=[],this},w.prototype.mapReduce=function(t,e){try{return e(this.data().map(t))}catch(t){throw t}},w.prototype.eqJoin=function(t,e,i,r,n){var s,o,a,l=[],h=[],c=[],u="function"==typeof e,d="function"==typeof i,p={};if(l=this.data(n),s=l.length,t instanceof x)h=t.chain().data(n);else if(t instanceof w)h=t.data(n);else{if(!Array.isArray(t))throw new TypeError("joinData needs to be an array or result set");h=t}o=h.length;for(var f=0;f<o;f++)a=d?i(h[f]):h[f][i],p[a]=h[f];r||(r=function(t,e){return{left:t,right:e}});for(var y=0;y<s;y++)a=u?e(l[y]):l[y][e],c.push(r(l[y],p[a]||{}));return this.collection=new x("joinData"),this.collection.insert(c),this.filteredrows=[],this.filterInitialized=!1,this},w.prototype.map=function(t,e){var i=this.data(e).map(t);return this.collection=new x("mappedData"),this.collection.insert(i),this.filteredrows=[],this.filterInitialized=!1,this},O.prototype=new f,O.prototype.constructor=O,O.prototype.getSort=function(){return this.sortFunction||this.sortCriteria||this.sortCriteriaSimple},O.prototype.rematerialize=function(t){var e,i,r;t=t||{},this.resultdata=[],this.resultsdirty=!0,this.resultset=new w(this.collection),(this.sortFunction||this.sortCriteria||this.sortCriteriaSimple)&&(this.sortDirty=!0);var n=Object.isFrozen(this.filterPipeline);if(t.hasOwnProperty("removeWhereFilters"))for(n&&(this.filterPipeline=this.filterPipeline.slice()),e=this.filterPipeline.length,i=e;i--;)"where"===this.filterPipeline[i].type&&(i!==this.filterPipeline.length-1&&(this.filterPipeline[i]=this.filterPipeline[this.filterPipeline.length-1]),this.filterPipeline.length--);var s=this.filterPipeline;for(this.filterPipeline=[],e=s.length,r=0;r<e;r++)this.applyFind(s[r].val,s[r].uid);return n&&Object.freeze(this.filterPipeline),this.data(),this.emit("rebuild",this),this},O.prototype.branchResultset=function(t,e){var i=this.resultset.branch();return void 0===t?i:i.transform(t,e)},O.prototype.toJSON=function(){var t=new O(this.collection,this.name,this.options);return t.resultset=this.resultset,t.resultdata=[],t.resultsdirty=!0,t.filterPipeline=this.filterPipeline,t.sortFunction=this.sortFunction,t.sortCriteria=this.sortCriteria,t.sortCriteriaSimple=this.sortCriteriaSimple||null,t.sortDirty=this.sortDirty,t.collection=null,t},O.prototype.removeFilters=function(t){t=t||{},this.rebuildPending=!1,this.resultset.reset(),this.resultdata=[],this.resultsdirty=!0,this.cachedresultset=null;var e=Object.isFrozen(this.filterPipeline),i=this.filterPipeline.length>0;this.filterPipeline=[],e&&Object.freeze(this.filterPipeline),this.sortFunction=null,this.sortCriteria=null,this.sortCriteriaSimple=null,this.sortDirty=!1,!0===t.queueSortPhase&&this.queueSortPhase(),i&&this.emit("filter")},O.prototype.applySort=function(t){return this.sortFunction=t,this.sortCriteria=null,this.sortCriteriaSimple=null,this.queueSortPhase(),this.emit("sort"),this},O.prototype.applySimpleSort=function(e,i){return this.sortCriteriaSimple={propname:e,options:i||!1},this.collection.disableFreeze||t(this.sortCriteriaSimple),this.sortCriteria=null,this.sortFunction=null,this.queueSortPhase(),this.emit("sort"),this},O.prototype.applySortCriteria=function(e){return this.sortCriteria=e,this.collection.disableFreeze||t(this.sortCriteria),this.sortCriteriaSimple=null,this.sortFunction=null,this.queueSortPhase(),this.emit("sort"),this},O.prototype.startTransaction=function(){return this.cachedresultset=this.resultset.copy(),this},O.prototype.commit=function(){return this.cachedresultset=null,this},O.prototype.rollback=function(){return this.resultset=this.cachedresultset,this.options.persistent&&(this.resultdata=this.resultset.data(),this.emit("rebuild",this)),this},O.prototype._indexOfFilterWithId=function(t){if("string"==typeof t||"number"==typeof t)for(var e=0,i=this.filterPipeline.length;e<i;e+=1)if(t===this.filterPipeline[e].uid)return e;return-1},O.prototype._addFilter=function(e){var i=Object.isFrozen(this.filterPipeline);i&&(this.filterPipeline=this.filterPipeline.slice()),this.collection.disableFreeze||t(e),this.filterPipeline.push(e),i&&Object.freeze(this.filterPipeline),this.resultset[e.type](e.val)},O.prototype.reapplyFilters=function(){this.resultset.reset(),this.cachedresultset=null,this.options.persistent&&(this.resultdata=[],this.resultsdirty=!0);var t=this.filterPipeline,e=Object.isFrozen(t);this.filterPipeline=[];for(var i=0,r=t.length;i<r;i+=1)this._addFilter(t[i]);return e&&Object.freeze(this.filterPipeline),this.sortFunction||this.sortCriteria||this.sortCriteriaSimple?this.queueSortPhase():this.queueRebuildEvent(),this.emit("filter"),this},O.prototype.applyFilter=function(t){var i=this._indexOfFilterWithId(t.uid);if(i>=0){var r=Object.isFrozen(this.filterPipeline);return r&&(this.filterPipeline=this.filterPipeline.slice()),this.filterPipeline[i]=t,r&&(e(t),Object.freeze(this.filterPipeline)),this.reapplyFilters()}return this.cachedresultset=null,this.options.persistent&&(this.resultdata=[],this.resultsdirty=!0),this._addFilter(t),this.sortFunction||this.sortCriteria||this.sortCriteriaSimple?this.queueSortPhase():this.queueRebuildEvent(),this.emit("filter"),this},O.prototype.applyFind=function(t,e){return this.applyFilter({type:"find",val:t,uid:e}),this},O.prototype.applyWhere=function(t,e){return this.applyFilter({type:"where",val:t,uid:e}),this},O.prototype.removeFilter=function(t){var e=this._indexOfFilterWithId(t);if(e<0)throw new Error("Dynamic view does not contain a filter with ID: "+t);var i=Object.isFrozen(this.filterPipeline);return i&&(this.filterPipeline=this.filterPipeline.slice()),this.filterPipeline.splice(e,1),i&&Object.freeze(this.filterPipeline),this.reapplyFilters(),this},O.prototype.count=function(){return this.resultsdirty&&(this.resultdata=this.resultset.data()),this.resultset.count()},O.prototype.data=function(t){return(this.sortDirty||this.resultsdirty)&&this.performSortPhase({suppressRebuildEvent:!0}),this.options.persistent?this.resultdata:this.resultset.data(t)},O.prototype.queueRebuildEvent=function(){if(!this.rebuildPending){this.rebuildPending=!0;var t=this;setTimeout(function(){t.rebuildPending&&(t.rebuildPending=!1,t.emit("rebuild",t))},this.options.minRebuildInterval)}},O.prototype.queueSortPhase=function(){if(!this.sortDirty){this.sortDirty=!0;var t=this;"active"===this.options.sortPriority?setTimeout(function(){t.performSortPhase()},this.options.minRebuildInterval):this.queueRebuildEvent()}},O.prototype.performSortPhase=function(t){(this.sortDirty||this.resultsdirty)&&(t=t||{},this.sortDirty&&(this.sortFunction?this.resultset.sort(this.sortFunction):this.sortCriteria?this.resultset.compoundsort(this.sortCriteria):this.sortCriteriaSimple&&this.resultset.simplesort(this.sortCriteriaSimple.propname,this.sortCriteriaSimple.options),this.sortDirty=!1),this.options.persistent&&(this.resultdata=this.resultset.data(),this.resultsdirty=!1),t.suppressRebuildEvent||this.emit("rebuild",this))},O.prototype.evaluateDocument=function(t,e){if(!this.resultset.filterInitialized)return this.options.persistent&&(this.resultdata=this.resultset.data()),void(this.sortFunction||this.sortCriteria||this.sortCriteriaSimple?this.queueSortPhase():this.queueRebuildEvent());var i=this.resultset.filteredrows,r=e?-1:i.indexOf(+t),n=i.length,s=new w(this.collection);s.filteredrows=[t],s.filterInitialized=!0;for(var o,a=0,l=this.filterPipeline.length;a<l;a++)o=this.filterPipeline[a],s[o.type](o.val);var h=0===s.filteredrows.length?-1:0;return-1!==r||-1!==h?-1===r&&-1!==h?(i.push(t),this.options.persistent&&this.resultdata.push(this.collection.data[t]),void(this.sortFunction||this.sortCriteria||this.sortCriteriaSimple?this.queueSortPhase():this.queueRebuildEvent())):-1!==r&&-1===h?(r<n-1?(i.splice(r,1),this.options.persistent&&this.resultdata.splice(r,1)):(i.length=n-1,this.options.persistent&&(this