3 lines
53 KiB
JavaScript
3 lines
53 KiB
JavaScript
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(function(root,factory){if(typeof define==="function"&&define.amd){define([],factory)}else if(typeof exports==="object"){module.exports=factory()}else{root.loki=factory()}})(this,function(){return function(){"use strict";var Utils={copyProperties:function(src,dest){var prop;for(prop in src){dest[prop]=src[prop]}},resolveTransformObject:function(subObj,params,depth){var prop,pname;if(typeof depth!=="number"){depth=0}if(++depth>=10)return subObj;for(prop in subObj){if(typeof subObj[prop]==="string"&&subObj[prop].indexOf("[%lktxp]")===0){pname=subObj[prop].substring(8);if(params.hasOwnProperty(pname)){subObj[prop]=params[pname]}}else if(typeof subObj[prop]==="object"){subObj[prop]=Utils.resolveTransformObject(subObj[prop],params,depth)}}return subObj},resolveTransformParams:function(transform,params){var idx,prop,clonedStep,resolvedTransform=[];if(typeof params==="undefined")return transform;for(idx=0;idx<transform.length;idx++){clonedStep=JSON.parse(JSON.stringify(transform[idx]));resolvedTransform.push(Utils.resolveTransformObject(clonedStep,params))}return resolvedTransform}};function ltHelper(prop1,prop2,equal){if(prop1===prop2){if(equal){return true}else{return false}}if(prop1===undefined){return true}if(prop2===undefined){return false}if(prop1===null){return true}if(prop2===null){return false}return prop1<prop2}function gtHelper(prop1,prop2,equal){if(prop1===prop2){if(equal){return true}else{return false}}if(prop1===undefined){return false}if(prop2===undefined){return true}if(prop1===null){return false}if(prop2===null){return true}return prop1>prop2}function sortHelper(prop1,prop2,desc){if(prop1===prop2){return 0}if(desc){if(ltHelper(prop1,prop2)){return 1}else{return-1}}else{if(gtHelper(prop1,prop2)){return 1}else{return-1}}}function containsCheckFn(a,b){if(Array.isArray(a)){return function(curr){return a.indexOf(curr)!==-1}}else if(a&&typeof a==="string"){return function(curr){return a.indexOf(curr)!==-1}}else if(a&&typeof a==="object"){return function(curr){return a.hasOwnProperty(curr)}}}var LokiOps={$eq:function(a,b){return a===b},$gt:function(a,b){return gtHelper(a,b)},$gte:function(a,b){return gtHelper(a,b,true)},$lt:function(a,b){return ltHelper(a,b)},$lte:function(a,b){return ltHelper(a,b,true)},$ne:function(a,b){return a!==b},$regex:function(a,b){return b.test(a)},$in:function(a,b){return b.indexOf(a)>-1},$containsAny:function(a,b){var checkFn;if(!Array.isArray(b)){b=[b]}checkFn=containsCheckFn(a,b)||function(){return false};return b.reduce(function(prev,curr){if(prev){return prev}return checkFn(curr)},false)},$contains:function(a,b){var checkFn;if(!Array.isArray(b)){b=[b]}checkFn=containsCheckFn(a,b)||function(){return false};return b.reduce(function(prev,curr){if(!prev){return prev}return checkFn(curr)},true)}};var operators={$eq:LokiOps.$eq,$gt:LokiOps.$gt,$gte:LokiOps.$gte,$lt:LokiOps.$lt,$lte:LokiOps.$lte,$ne:LokiOps.$ne,$regex:LokiOps.$regex,$in:LokiOps.$in,$contains:LokiOps.$contains,$containsAny:LokiOps.$containsAny};var indexedOpsList=["$eq","$gt","$gte","$lt","$lte"];function clone(data,method){var cloneMethod=method||"parse-stringify",cloned;if(cloneMethod==="parse-stringify"){cloned=JSON.parse(JSON.stringify(data))}return cloned}function localStorageAvailable(){try{return"localStorage"in window&&window.localStorage!==null}catch(e){return false}}function LokiEventEmitter(){}LokiEventEmitter.prototype.events={};LokiEventEmitter.prototype.asyncListeners=false;LokiEventEmitter.prototype.on=function(eventName,listener){var event=this.events[eventName];if(!event){event=this.events[eventName]=[]}event.push(listener);return listener};LokiEventEmitter.prototype.emit=function(eventName,data){var self=this;if(eventName&&this.events[eventName]){this.events[eventName].forEach(function(listener){if(self.asyncListeners){setTimeout(function(){listener(data)},1)}else{listener(data)}})}else{throw new Error("No event "+eventName+" defined")}};LokiEventEmitter.prototype.removeListener=function(eventName,listener){if(this.events[eventName]){var listeners=this.events[eventName];listeners.splice(listeners.indexOf(list
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var oldlen=ofr.length;var evalResultset=new Resultset(this.collection);evalResultset.filteredrows=[objIndex];evalResultset.filterInitialized=true;for(var idx=0;idx<this.filterPipeline.length;idx++){switch(this.filterPipeline[idx].type){case"find":evalResultset.find(this.filterPipeline[idx].val);break;case"where":evalResultset.where(this.filterPipeline[idx].val);break}}var newPos=evalResultset.filteredrows.length===0?-1:0;if(oldPos==-1&&newPos==-1)return;if(oldPos===-1&&newPos!==-1){ofr.push(objIndex);if(this.options.persistent){this.resultdata.push(this.collection.data[objIndex])}if(this.sortFunction||this.sortCriteria){this.queueSortPhase()}else{this.queueRebuildEvent()}return}if(oldPos!==-1&&newPos===-1){if(oldPos<oldlen-1){ofr[oldPos]=ofr[oldlen-1];ofr.length=oldlen-1;if(this.options.persistent){this.resultdata[oldPos]=this.resultdata[oldlen-1];this.resultdata.length=oldlen-1}}else{ofr.length=oldlen-1;if(this.options.persistent){this.resultdata.length=oldlen-1}}if(this.sortFunction||this.sortCriteria){this.queueSortPhase()}else{this.queueRebuildEvent()}return}if(oldPos!==-1&&newPos!==-1){if(this.options.persistent){this.resultdata[oldPos]=this.collection.data[objIndex]}if(this.sortFunction||this.sortCriteria){this.queueSortPhase()}else{this.queueRebuildEvent()}return}};DynamicView.prototype.removeDocument=function(objIndex){var ofr=this.resultset.filteredrows;var oldPos=ofr.indexOf(objIndex);var oldlen=ofr.length;var idx;if(oldPos!==-1){if(oldPos<oldlen-1){ofr[oldPos]=ofr[oldlen-1];ofr.length=oldlen-1;if(this.options.persistent){this.resultdata[oldPos]=this.resultdata[oldlen-1];this.resultdata.length=oldlen-1}}else{ofr.length=oldlen-1;if(this.options.persistent){this.resultdata.length=oldlen-1}}if(this.sortFunction||this.sortCriteria){this.queueSortPhase()}}oldlen=ofr.length;for(idx=0;idx<oldlen;idx++){if(ofr[idx]>objIndex){ofr[idx]--}}};DynamicView.prototype.mapReduce=function(mapFunction,reduceFunction){try{return reduceFunction(this.data().map(mapFunction))}catch(err){throw err}};function Collection(name,options){this.name=name;this.data=[];this.idIndex=[];this.binaryIndices={};this.constraints={unique:{},exact:{}};this.uniqueNames=[];this.transforms={};this.objType=name;this.dirty=true;this.cachedIndex=null;this.cachedBinaryIndex=null;this.cachedData=null;var self=this;options=options||{};if(options.hasOwnProperty("unique")){if(!Array.isArray(options.unique)){options.unique=[options.unique]}options.unique.forEach(function(prop){self.uniqueNames.push(prop);self.constraints.unique[prop]=new UniqueIndex(prop)})}if(options.hasOwnProperty("exact")){options.exact.forEach(function(prop){self.constraints.exact[prop]=new ExactIndex(prop)})}this.transactional=options.hasOwnProperty("transactional")?options.transactional:false;this.cloneObjects=options.hasOwnProperty("clone")?options.clone:false;this.asyncListeners=options.hasOwnProperty("asyncListeners")?options.asyncListeners:false;this.disableChangesApi=options.hasOwnProperty("disableChangesApi")?options.disableChangesApi:true;this.maxId=0;this.DynamicViews=[];this.events={insert:[],update:[],"pre-insert":[],"pre-update":[],close:[],flushbuffer:[],error:[],"delete":[],warning:[]};this.changes=[];this.ensureId();var indices=[];if(options&&options.indices){if(Object.prototype.toString.call(options.indices)==="[object Array]"){indices=options.indices}else if(typeof options.indices==="string"){indices=[options.indices]}else{throw new TypeError("Indices needs to be a string or an array of strings")}}for(var idx=0;idx<indices.length;idx++){this.ensureIndex(indices[idx])}function createChange(name,op,obj){self.changes.push({name:name,operation:op,obj:JSON.parse(JSON.stringify(obj))})}function flushChanges(){self.changes=[]}this.getChanges=function(){return self.changes};this.flushChanges=flushChanges;function insertMeta(obj){if(!obj){return}if(!obj.meta){obj.meta={}}obj.meta.created=(new Date).getTime();obj.meta.revision=0}function updateMeta(obj){if(!obj){return}obj.meta.updated=(new Date).getTime();obj.meta.revision+=1}function createInsertChange(obj){createChange(self.name,"
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