@jsiqle/core - npm Package Compare versions

Comparing version 1.3.3 to 1.3.4

dist/main.js

@@ -1,1 +0,1 @@
-!function(root,factory){"object"==typeof exports&&"object"==typeof module?module.exports=factory():"function"==typeof define&&define.amd?define([],factory):"object"==typeof exports?exports["@jsiqle/core"]=factory():root["@jsiqle/core"]=factory()}(global,function(){return(()=>{"use strict";var __webpack_require__={n:module=>{var getter=module&&module.__esModule?()=>module.default:()=>module;return __webpack_require__.d(getter,{a:getter}),getter},d:(exports,definition)=>{for(var key in definition)__webpack_require__.o(definition,key)&&!__webpack_require__.o(exports,key)&&Object.defineProperty(exports,key,{enumerable:!0,get:definition[key]})},o:(obj,prop)=>Object.prototype.hasOwnProperty.call(obj,prop),r:exports=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(exports,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(exports,"__esModule",{value:!0})}},__webpack_exports__={};__webpack_require__.r(__webpack_exports__),__webpack_require__.d(__webpack_exports__,{default:()=>src});var isUndefined=require("events"),external_events_default=__webpack_require__.n(isUndefined),symbols=["fields","key","keyType","properties","cachedProperties","methods","scopes","relationships","relationshipField","validators","recordModel","recordValue","wrappedRecordValue","recordHandler","recordTag","defaultValue","addScope","addRelationshipAsField","addRelationshipAsProperty","getField","getProperty","removeScope","copyScopes","instances","isRecord","groupTag","get","handleExperimentalAPIMessage"].reduce((acc,curr)=>(acc["$"+curr]=Symbol.for(curr),acc),{});class NameError extends Error{constructor(message){super(message),this.name="NameError"}}class ValidationError extends Error{constructor(message){super(message),this.name="ValidationError"}}class DuplicationError extends Error{constructor(message){super(message),this.name="DuplicationError"}}class DefaultValueError extends Error{constructor(message){super(message),this.name="DefaultValueError"}}class ExperimentalAPIUsageError extends Error{constructor(message){super(message),this.name="ExperimentalAPIUsageError"}}class Validator{static unique(field){return(value,data)=>data.every(item=>item[field]!==value[field])}static length(field,[min,max]){return value=>value[field].length>=min&&value[field].length<=max}static minLength(field,min){return value=>value[field].length>=min}static maxLength(field,max){return value=>value[field].length<=max}static range(field,[min,max]){return value=>value[field]>=min&&value[field]<=max}static min(field,min){return value=>value[field]>=min}static max(field,max){return value=>value[field]<=max}static integer(field){return value=>Number.isInteger(value[field])}static regex(field,regex){return value=>regex.test(value[field])}static uniqueValues(field){return value=>new Set(value[field]).size===value[field].length}static sortedAscending(field){return value=>value[field].every((item,index)=>0===index||item>=value[field][index-1])}static sortedDescending(field){return value=>value[field].every((item,index)=>0===index||item<=value[field][index-1])}static custom(field,fn){return(value,data)=>fn(value[field],data.map(item=>item[field]))}}const restrictedNames={Model:["toString","toObject","toJSON"],Field:["toString","toObject","toJSON"],Property:["toString","toObject","toJSON"],Method:["toString","toObject","toJSON"],Relationship:["toString","toObject","toJSON"]},validateName=(objectType,name)=>{var[isValid,message]=((name,restrictedNames=[])=>"string"!=typeof name?[!1,"must be a string"]:name?/^\d/.test(name)?[!1,"cannot start with a number"]:restrictedNames.includes(name)?[!1,"is reserved"]:[/^\w+$/.test(name),"must contain only alphanumeric characters, numbers or underscores"]:[!1,"is required"])(name,restrictedNames[objectType]);if(!isValid)throw new NameError(objectType+` name ${message}.`);return name},capitalize=([first,...rest])=>first.toUpperCase()+rest.join(""),reverseCapitalize=([first,...rest])=>first.toLowerCase()+rest.join(""),deepClone=obj=>{if(null===obj)return null;if(obj instanceof Date)return new Date(obj);let clone=Object.assign({},obj);return Object.entries(clone).forEach(([key,value])=>clone[key]="object"==typeof obj[key]?deepClone(value):value),Array.isArray(obj)?(clone.length=obj.length,Array.from(clone)):clone},validateObjectWithUniqueName=({objectType,parentType,parentName},obj,collection)=>{if(!(obj=>obj&&"object"==typeof obj)(obj))throw new TypeError(objectType+` ${obj} is not an object.`);if(((collection,item)=>collection.includes(item))(collection,obj.name))throw new DuplicationError(`${parentType} ${parentName} already has a ${objectType.toLowerCase()} named ${obj.name}.`);return!0};var isBoolean=val=>"boolean"==typeof val,isNumber=val=>"number"==typeof val&&val==val,isString=val=>"string"==typeof val,isDate=val=>val instanceof Date,and=(...types)=>val=>types.every(type=>type(val));const or=(...types)=>val=>types.some(type=>type(val));var isPositive=val=>0<=val;const isArrayOf=type=>val=>Array.isArray(val)&&val.every(type);var standardTypes=shape=>{const props=Object.keys(shape);return val=>{return null!=val&&"object"==typeof val&&(0===props.length||Object.keys(val).length===props.length&&props.every(prop=>shape[prop](val[prop])))}},isObjectOf=type=>val=>null!=val&&"object"==typeof val&&Object.keys(val).every(prop=>type(val[prop])),isNull=val=>null===val,isUndefined=val=>void 0===val;const isNil=or(isNull,isUndefined);const types={bool:isBoolean,number:isNumber,positiveNumber:and(isNumber,isPositive),string:isString,date:isDate,stringOrNumber:or(isString,isNumber),numberOrString:or(isString,isNumber),enum:(...values)=>val=>values.includes(val),boolArray:isArrayOf(isBoolean),numberArray:isArrayOf(isNumber),stringArray:isArrayOf(isString),dateArray:isArrayOf(isDate),oneOf:or,arrayOf:isArrayOf,oneOrArrayOf:type=>val=>or(isArrayOf(type),type)(val),object:standardTypes,objectOf:isObjectOf,optional:type=>val=>or(isNil,type)(val),null:isNull,undefined:isUndefined,nil:isNil};standardTypes={boolean:{type:isBoolean,defaultValue:!1},number:{type:isNumber,defaultValue:0},positiveNumber:{type:and(isNumber,isPositive),defaultValue:0},string:{type:isString,defaultValue:""},date:{type:isDate,defaultValue:new Date},stringOrNumber:{type:or(isString,isNumber),defaultValue:""},numberOrString:{type:or(isString,isNumber),defaultValue:0},booleanArray:{type:isArrayOf(isBoolean),defaultValue:[]},numberArray:{type:isArrayOf(isNumber),defaultValue:[]},stringArray:{type:isArrayOf(isString),defaultValue:[]},dateArray:{type:isArrayOf(isDate),defaultValue:[]},object:{type:standardTypes({}),defaultValue:{}},booleanObject:{type:isObjectOf(isBoolean),defaultValue:{a:!0}},numberObject:{type:isObjectOf(isNumber),defaultValue:{}},stringObject:{type:isObjectOf(isString),defaultValue:{}},dateObject:{type:isObjectOf(isDate),defaultValue:{}},objectArray:{type:isArrayOf(standardTypes({})),defaultValue:[]}};const key=and(isString,val=>0!==val.trim().length),{$defaultValue,$validators}=symbols;class Field{#name;#defaultValue;#required;#type;#validators;constructor({name,type,required=!1,defaultValue=null,validators={}}){this.#name=validateName("Field",name),this.#required=Field.#validateRequired(required),this.#type=Field.#validateType(type,required),this.#defaultValue=Field.#validateDefaultValue(defaultValue,this.#type,this.#required),this.#validators=new Map,Object.entries(validators).forEach(([validatorName,validator])=>{this.addValidator(validatorName,validator)})}addValidator(validatorName,validator){this.#validators.set(...Field.#parseFieldValidator(this.#name,validatorName,validator))}get name(){return this.#name}get required(){return this.#required}typeCheck(value){return this.#type(value)}get[$defaultValue](){return this.#defaultValue}get[$validators](){return this.#validators}static#validateType(type,required){if("function"!=typeof type)throw new TypeError("Field type must be a function.");return required?type:types.optional(type)}static#validateRequired(required){if("boolean"!=typeof required)throw new TypeError("Field required must be a boolean.");return required}static#validateDefaultValue(defaultValue,type,required){if(required&&types.nil(defaultValue))throw new ValidationError("Default value cannot be null or undefined.");if(!type(defaultValue))throw new ValidationError("Default value must be valid.");return defaultValue}static#parseFieldValidator(fieldName,validatorName,validator){if(void 0!==Validator[validatorName])return[""+fieldName+capitalize(validatorName),Validator[validatorName](fieldName,validator)];if("function"!=typeof validator)throw new TypeError(`Validator ${validatorName} is not defined.`);return[""+fieldName+capitalize(validatorName),Validator.custom(fieldName,validator)]}}Object.entries(standardTypes).forEach(([typeName,standardType])=>{const{type,defaultValue:typeDefaultValue}=standardType;Field[typeName]=options=>"string"==typeof options?new Field({name:options,type:type}):new Field({...options,type:type}),Field[typeName+"Required"]=options=>{if("string"==typeof options)return new Field({name:options,type:type,required:!0,defaultValue:typeDefaultValue});var defaultValue=options.defaultValue||typeDefaultValue;return new Field({...options,type:type,required:!0,defaultValue:defaultValue})}}),Field.enum=({name,values})=>new Field({name:name,type:types.enum(...values)}),Field.enumRequired=({name,values,defaultValue=values[0]})=>new Field({name:name,type:types.enum(...values),required:!0,defaultValue:defaultValue}),Field.auto=autoField=>{autoField="string"==typeof autoField?autoField:autoField.name;const generator=function*(){let i=0;for(;;)yield i++}();let currentValue=0;autoField=new Field({name:autoField,type:value=>value===currentValue,required:!0,defaultValue:currentValue});return Object.defineProperty(autoField,$defaultValue,{get(){var value=generator.next().value;return currentValue=value}}),autoField};const{$recordValue,$wrappedRecordValue,$recordHandler,$recordModel,$recordTag,$cachedProperties,$key}=symbols;class Record{#recordValue;#recordHandler;#proxiedRecord;#cachedProperties;constructor(value,handler){return this.#recordValue=value,this.#recordHandler=handler,this.#cachedProperties=new Map,this.#proxiedRecord=new Proxy(this,this.#recordHandler),this.#proxiedRecord}get[$cachedProperties](){return this.#cachedProperties}get[$recordHandler](){return this.#recordHandler}get[$recordValue](){return this.#recordValue}get[$wrappedRecordValue](){return this.#proxiedRecord}get[$recordModel](){return this.#recordHandler.model}get[$recordTag](){var model=this[$recordModel],key=model[$key].name;return model.name+"#"+this[$recordValue][key]}get[Symbol.toStringTag](){return this[$recordTag]}}const record=Record,partial_$recordTag=symbols["$recordTag"];class PartialRecord{#tag;constructor(value,tag){Object.keys(value).forEach(key=>{this[key]=value[key]}),this.#tag=tag}get[partial_$recordTag](){return this.#tag}get[Symbol.toStringTag](){return this[partial_$recordTag]}toObject(){return{...this}}toJSON(){return this.toObject()}}const fragment_$recordTag=symbols["$recordTag"];class RecordFragment extends Array{#tag;constructor(values,tag){super(),values.forEach(value=>{this.push(value)}),this.#tag=tag}get[fragment_$recordTag](){return this.#tag}get[Symbol.toStringTag](){return this[fragment_$recordTag]}toObject(){return[...this]}toJSON(){return this.toObject()}}const{$recordModel:set_$recordModel,$recordTag:set_$recordTag,$scopes,$addScope,$removeScope,$copyScopes,$isRecord,$key:set_$key}=symbols;class RecordSet extends Map{#frozen;#scopes;constructor({iterable=[],copyScopesFrom=null}={}){super();for(var[key,value]of iterable)this.set(key,value);this.#scopes=new Map,copyScopesFrom&&this[$copyScopes](copyScopesFrom),this.#frozen=!1}freeze(){return this.#frozen=!0,this}set(key,value){if(this.#frozen)throw new TypeError("Cannot modify a frozen RecordSet.");return super.set(key,value),this}delete(key){if(this.#frozen)throw new TypeError("Cannot modify a frozen RecordSet.");return super.delete(key)}clear(){if(this.#frozen)throw new TypeError("Cannot modify a frozen RecordSet.");super.clear()}map(callbackFn){return[...this.entries()].reduce((newMap,[key,value])=>(newMap[key]=callbackFn(value,key,this),newMap),{})}flatMap(callbackFn){return[...this.entries()].map(([key,value])=>callbackFn(value,key,this))}reduce(callbackFn,initialValue){return[...this.entries()].reduce((acc,[key,value])=>callbackFn(acc,value,key,this),initialValue)}filter(callbackFn){return[...this.entries()].reduce((newMap,[key,value])=>(callbackFn(value,key,this)&&newMap.set(key,value),newMap),new RecordSet({copyScopesFrom:this})).freeze()}flatFilter(callbackFn){return[...this.entries()].reduce((arr,[key,value])=>(callbackFn(value,key,this)&&arr.push(value),arr),[])}find(callbackFn){var match=[...this.entries()].find(([key,value])=>callbackFn(value,key,this));if(match)return match[1]}findKey(callbackFn){var match=[...this.entries()].find(([key,value])=>callbackFn(value,key,this));if(match)return match[0]}only(...keys){return new RecordSet({iterable:keys.reduce((itr,key)=>(this.has(key)&&itr.push([key,this.get(key)]),itr),[]),copyScopesFrom:this}).freeze()}except(...keys){return new RecordSet({iterable:[...this.entries()].filter(([key])=>!keys.includes(key)),copyScopesFrom:this}).freeze()}sort(comparatorFn){var sorted=[...this.entries()].sort(([key1,value1],[key2,value2])=>comparatorFn(value1,value2,key1,key2));return new RecordSet({iterable:sorted,copyScopesFrom:this}).freeze()}every(callbackFn){return 0===this.size||[...this.entries()].every(([key,value])=>callbackFn(value,key,this))}some(callbackFn){return 0!==this.size&&[...this.entries()].some(([key,value])=>callbackFn(value,key,this))}select(...keys){return new RecordSet({iterable:[...this.entries()].map(([key,value])=>{const obj={};return keys.forEach(key=>obj[key]=value[key]),[key,new PartialRecord(obj,value[set_$recordTag])]}),copyScopesFrom:this}).freeze()}flatSelect(...keys){return[...this.values()].map(value=>keys.reduce((obj,key)=>({...obj,[key]:value[key]}),{}))}pluck(...keys){return new RecordSet({iterable:[...this.entries()].map(([key,value])=>{var values=keys.map(key=>value[key]);return[key,new RecordFragment(values,value[set_$recordTag])]}),copyScopesFrom:this}).freeze()}flatPluck(...keys){const isSingleKey=1===keys.length;return[...this.values()].map(value=>isSingleKey?value[keys[0]]:keys.map(key=>value[key]))}groupBy(key){const res=new RecordSet({copyScopesFrom:this,iterable:[]});for(var[recordKey,value]of this.entries()){let keyValue=value[key];void 0!==keyValue&&null!==keyValue&&keyValue[$isRecord]&&(keyValue=value[key][set_$key]),res.has(keyValue)||res.set(keyValue,new RecordGroup({copyScopesFrom:this,iterable:[],groupName:keyValue})),res.get(keyValue).set(recordKey,value)}for(const value of res.values())value.freeze();return res.freeze()}where(callbackFn){return this.filter(callbackFn)}whereNot(callbackFn){return this.filter((value,key,map)=>!callbackFn(value,key,map))}*flatBatchIterator(batchSize){let batch=[];for(var[,value]of this)batch.push(value),batch.length===batchSize&&(yield batch,batch=[]);batch.length&&(yield batch)}*batchIterator(batchSize){let batch=[];for(var[key,value]of this)batch.push([key,value]),batch.length===batchSize&&(yield new RecordSet({copyScopesFrom:this,iterable:batch}).freeze(),batch=[]);batch.length&&(yield new RecordSet({copyScopesFrom:this,iterable:batch}).freeze())}limit(n){let records=[];for(var[key,value]of this)if(records.push([key,value]),records.length===n)break;return new RecordSet({iterable:records,copyScopesFrom:this}).freeze()}offset(n){let counter=0,records=[];for(var[key,value]of this)counter<n?counter++:records.push([key,value]);return new RecordSet({iterable:records,copyScopesFrom:this}).freeze()}get first(){for(var[,value]of this)return value}get last(){if(0!==this.size)return[...this.entries()].pop()[1]}get count(){return this.size}get length(){return this.size}toArray(){return[...this.values()]}toFlatArray(){return[...this.values()].map(value=>value instanceof RecordGroup?value.toFlatArray():value.toObject())}toObject(){return[...this.entries()].reduce((obj,[key,value])=>(obj[key]=value,obj),{})}toFlatObject(){return[...this.entries()].reduce((obj,[key,value])=>(obj[key]=value instanceof RecordGroup?value.toFlatArray():value.toObject(),obj),{})}toJSON(){return this.toObject()}get[Symbol.toStringTag](){var records=[...this.values()];try{const firstModel=records[0][set_$recordModel].name;if(((arr,fn)=>{const eql=fn(arr[0]);return arr.every(val=>fn(val)===eql)})(records,value=>value[set_$recordModel].name===firstModel))return firstModel}catch(e){return""}return""}static get[Symbol.species](){return Map}[$addScope](name,scope){if(RecordSet.#validateProperty("Scope",name,scope,this.#scopes),this[name]||Object.getOwnPropertyNames(RecordSet.prototype).includes(name))throw new NameError(`Scope name ${name} is already in use.`);this.#scopes.set(name,scope),Object.defineProperty(this,name,{configurable:!0,get:()=>this.where(this.#scopes.get(name))})}[$removeScope](name){this.#scopes.delete(RecordSet.#validateContains("Scope",name,this.#scopes)),delete this[name]}[$copyScopes](otherRecordSet){otherRecordSet[$scopes].forEach((scope,name)=>{this[$addScope](name,scope)})}get[$scopes](){return this.#scopes}static#validateProperty(callbackType,callbackName,callback,callbacks){if("function"!=typeof callback)throw new TypeError(callbackType+` ${callbackName} is not a function.`);if(callbacks.has(callbackName))throw new DuplicationError(callbackType+` ${callbackName} already exists.`);return callback}static#validateContains(objectType,objectName,objects){if(!objects.has(objectName))throw new ReferenceError(objectType+` ${objectName} does not exist.`);return objectName}}const set=RecordSet,$groupTag=symbols["$groupTag"];class RecordGroup extends set{#groupName;constructor({iterable=[],copyScopesFrom=null,groupName=""}={}){super({iterable:iterable,copyScopesFrom:copyScopesFrom}),this.#groupName=groupName}get[$groupTag](){return this.#groupName}get[Symbol.toStringTag](){return this[$groupTag]}}const{$fields,$defaultValue:handler_$defaultValue,$key:handler_$key,$keyType,$properties,$cachedProperties:handler_$cachedProperties,$methods,$relationships,$validators:handler_$validators,$recordValue:handler_$recordValue,$wrappedRecordValue:handler_$wrappedRecordValue,$recordModel:handler_$recordModel,$recordTag:handler_$recordTag,$isRecord:handler_$isRecord,$get}=symbols;class RecordHandler{#model;constructor(model){this.#model=model}get model(){return this.#model}createRecord(recordData){if(!recordData)throw new TypeError("Record data cannot be empty.");if("object"!=typeof recordData)throw new TypeError("Record data must be an object.");const modelName=this.#getModelName(),newRecordKey=RecordHandler.#validateNewRecordKey(modelName,this.#getKey(),recordData[this.#getKey().name],this.#model.records),clonedRecord=deepClone(recordData),extraProperties=Object.keys(clonedRecord).filter(property=>!this.#hasField(property)&&!this.#isModelKey(property));0<extraProperties.length&&console.warn(`${modelName} record has extra fields: ${extraProperties.join(", ")}.`);const newRecord=new record({[this.#getKey().name]:newRecordKey,...extraProperties.reduce((obj,property)=>({...obj,[property]:clonedRecord[property]}),{})},this);return this.#getFieldNames().forEach(field=>{this.set(newRecord,field,clonedRecord[field],newRecord,!0)}),this.#getValidators().forEach((validator,validatorName)=>{if(!validator(newRecord,this.#model.records))throw new RangeError(`${modelName} record with key ${newRecordKey} failed validation for ${validatorName}.`)}),[newRecordKey,newRecord]}get(record,property){return this.#hasRelationshipField(property)?this.#getRelationship(record,property):this.#isModelKey(property)||this.#hasField(property)?this.#getFieldValue(record,property):this.#hasProperty(property)?this.#getProperty(record,property):this.#hasMethod(property)?this.#getMethod(record,property):this.#isCallToSerialize(property)?RecordHandler.#recordToObject(record,this.#model,this):this.#isCallToString(property)?()=>this.#getKeyValue(record):this.#isKnownSymbol(property)?this.#getKnownSymbol(record,property):void 0}set(record,property,value,receiver,skipValidation){const recordValue=record[handler_$recordValue],recordKey=this.#getKeyValue(record),otherRecords=this.#model.records.except(recordKey);if(this.#hasProperty(property))throw new TypeError(`${this.#getModelName()} record ${recordKey} cannot set property ${property}.`);if(this.#hasMethod(property))throw new TypeError(`${this.#getModelName()} record ${recordKey} cannot set method ${property}.`);if(this.#hasField(property)){const field=this.#getField(property);RecordHandler.#setRecordField(this.#model.name,record,field,value),field[handler_$validators].forEach((validator,validatorName)=>{if(![null,void 0].includes(recordValue[property])&&!validator(recordValue,otherRecords))throw new RangeError(`${this.#getModelName()} record with key ${recordKey} failed validation for ${validatorName}.`)})}else console.warn(this.#model.name+` record has extra field: ${property}.`),recordValue[property]=value;return skipValidation||this.#getValidators().forEach((validator,validatorName)=>{if(!validator(recordValue,otherRecords))throw new RangeError(`${this.#getModelName()} record with key ${recordKey} failed validation for ${validatorName}.`)}),!0}static#setRecordField(modelName,record,field,recordValue){recordValue=field.required&&types.nil(recordValue)?field[handler_$defaultValue]:recordValue;if(!field.typeCheck(recordValue))throw new TypeError(`${modelName} record has invalid value for field ${field.name}.`);record[handler_$wrappedRecordValue]&&record[handler_$cachedProperties].clear(),record[handler_$recordValue][field.name]=recordValue}static#recordToObject(record,key,handler){const recordValue=record[handler_$recordValue],fields=key[$fields],properties=key[$properties];key=key[handler_$key].name;const object={[key]:recordValue[key]};fields.forEach(field=>{void 0!==recordValue[field.name]&&(object[field.name]=recordValue[field.name])});return({include=[]}={})=>{var result=object;const included=include.map(name=>{const[field,...props]=name.split(".");return[field,props.join(".")]});return included.forEach(([includedField,props])=>{if(object[includedField])if(Array.isArray(object[includedField])){const records=handler.get(record,includedField);object[includedField]=records.map(record=>record.toObject({include:[props]}))}else object[includedField]=handler.get(record,includedField).toObject({include:[props]});else properties.has(includedField)&&(object[includedField]=handler.get(record,includedField))}),result}}static#validateNewRecordKey=(modelName,modelKey,recordKey,records)=>{let newRecordKey=recordKey;if("string"===modelKey[$keyType]&&!modelKey.typeCheck(newRecordKey))throw new TypeError(`${modelName} record has invalid value for key ${modelKey.name}.`);if("auto"===modelKey[$keyType]&&(newRecordKey=modelKey[handler_$defaultValue]),records.has(newRecordKey))throw new DuplicationError(`${modelName} record with key ${newRecordKey} already exists.`);return newRecordKey};#getModelName(){return this.#model.name}#getFieldNames(){return[...this.#model[$fields].keys()]}#getValidators(){return this.#model[handler_$validators]}#isModelKey(property){return this.#model[handler_$key].name===property}#getKey(){return this.#model[handler_$key]}#getKeyValue(record){return record[handler_$recordValue][this.#model[handler_$key].name]}#hasField(property){return this.#model[$fields].has(property)}#getField(property){return this.#model[$fields].get(property)}#getFieldValue(record,property){return record[handler_$recordValue][property]}#hasProperty(property){return this.#model[$properties].has(property)}#getProperty(record,property){if(this.#model[handler_$cachedProperties].has(property)){if(record[handler_$cachedProperties]&&record[handler_$cachedProperties].has(property))return record[handler_$cachedProperties].get(property);var value=this.#model[$properties].get(property)(record[handler_$wrappedRecordValue]);return record[handler_$cachedProperties].set(property,value),value}return this.#model[$properties].get(property)(record[handler_$wrappedRecordValue])}#hasMethod(method){return this.#model[$methods].has(method)}#getMethod(record,method){const methodFn=this.#model[$methods].get(method);return(...args)=>methodFn(record[handler_$wrappedRecordValue],...args)}#hasRelationshipField(property){return!!this.#hasField(property)&&this.#model[$relationships].has(property+"."+property)}#getRelationship(record,property){return this.#model[$relationships].get(property+"."+property)[$get](this.#getModelName(),property,record[handler_$recordValue])}#isCallToSerialize(property){return"toObject"===property||"toJSON"===property}#isCallToString(property){return"toString"===property}#isKnownSymbol(property){return[handler_$recordModel,handler_$recordTag,handler_$recordValue,handler_$isRecord,handler_$key].includes(property)}#getKnownSymbol(record,property){return property===handler_$isRecord||(property===handler_$key&&this.#getKey(),record[property])}}const handler=RecordHandler,{$fields:model_$fields,$defaultValue:model_$defaultValue,$key:model_$key,$keyType:model_$keyType,$properties:model_$properties,$cachedProperties:model_$cachedProperties,$methods:model_$methods,$scopes:model_$scopes,$relationships:model_$relationships,$validators:model_$validators,$recordHandler:model_$recordHandler,$addScope:model_$addScope,$addRelationshipAsField,$addRelationshipAsProperty,$getField,$getProperty,$removeScope:model_$removeScope,$instances,$handleExperimentalAPIMessage}=symbols,allStandardTypes=[...Object.keys(standardTypes),...Object.keys(standardTypes).map(type=>type+"Required"),"enum","enumRequired","auto"];class Model extends external_events_default(){#records;#recordHandler;#fields;#key;#properties;#methods;#relationships;#validators;#updatingField=!1;#cachedProperties;static#instances=new Map;constructor({name,fields=[],key="id",properties={},methods={},scopes={},validators={},cacheProperties=[]}={}){if(super(),this.name=validateName("Model",name),Model.#instances.has(name))throw new DuplicationError(`A model named ${name} already exists.`);this.#records=new set,this.#recordHandler=new handler(this),this.#key=Model.#parseKey(this.name,key),this.#fields=new Map,this.#properties=new Map,this.#methods=new Map,this.#relationships=new Map,this.#validators=new Map,this.#cachedProperties=new Set,fields.forEach(field=>this.addField(field)),Object.entries(properties).forEach(([propertyName,property])=>{this.addProperty(propertyName,property,cacheProperties.includes(propertyName))}),Object.entries(methods).forEach(([methodName,method])=>{this.addMethod(methodName,method)}),Object.entries(scopes).forEach(([scopeName,scope])=>{this.addScope(scopeName,scope)}),Object.entries(validators).forEach(([validatorName,validator])=>{this.addValidator(validatorName,validator)}),Model.#instances.set(this.name,this)}addField(fieldOptions,retrofill){this.#updatingField||this.emit("beforeAddField",{field:fieldOptions,model:this});var field=Model.#parseField(this.name,fieldOptions,[...this.#fields.keys(),this.#key.name,...this.#properties.keys(),...this.#methods.keys()]);return this.#fields.set(fieldOptions.name,field),this.#updatingField||this.emit("fieldAdded",{field:field,model:this}),this.emit("beforeRetrofillField",{field:field,retrofill:retrofill,model:this}),Model.#applyFieldRetrofill(field,this.#records,retrofill),this.emit("fieldRetrofilled",{field:field,retrofill:retrofill,model:this}),this.#updatingField||this.emit("change",{type:"fieldAdded",field:field,model:this}),field}removeField(name){if(!Model.#validateContains(this.name,"Field",name,this.#fields))return!1;var field=this.#fields.get(name);return this.#updatingField||this.emit("beforeRemoveField",{field:field,model:this}),this.#fields.delete(name),this.#updatingField||(this.emit("fieldRemoved",{field:{name:name},model:this}),this.emit("change",{type:"fieldRemoved",field:field,model:this})),!0}updateField(name,field,newField){if(field.name!==name)throw new NameError(`Field name ${field.name} does not match ${name}.`);if(!Model.#validateContains(this.name,"Field",name,this.#fields))throw new ReferenceError(`Field ${name} does not exist.`);var prevField=this.#fields.get(name);this.#updatingField=!0,this.emit("beforeUpdateField",{prevField:prevField,field:field,model:this}),this.removeField(name);newField=this.addField(field,newField);this.emit("fieldUpdated",{field:newField,model:this}),this.#updatingField=!1,this.emit("change",{type:"fieldUpdated",field:newField,model:this})}addProperty(name,property,cache=!1){this.emit("beforeAddProperty",{property:{name:name,body:property},model:this});var propertyName=validateName("Property",name);this.#properties.set(propertyName,Model.#validateFunction("Property",name,property,[...this.#fields.keys(),this.#key.name,...this.#properties.keys(),...this.#methods.keys()])),cache&&this.#cachedProperties.add(propertyName),this.emit("propertyAdded",{property:{name:propertyName,body:property},model:this}),this.emit("change",{type:"propertyAdded",property:{name:propertyName,body:property},model:this})}removeProperty(name){if(!Model.#validateContains(this.name,"Property",name,this.#properties))return!1;var property=this.#properties.get(name);return this.emit("beforeRemoveProperty",{property:{name:name,body:property},model:this}),this.#properties.delete(name),this.#cachedProperties.has(name)&&this.#cachedProperties.delete(name),this.emit("propertyRemoved",{property:{name:name},model:this}),this.emit("change",{type:"propertyRemoved",property:{name:name,body:property},model:this}),!0}addMethod(name,method){this.emit("beforeAddMethod",{method:{name:name,body:method},model:this});var methodName=validateName("Method",name);this.#methods.set(methodName,Model.#validateFunction("Method",name,method,[...this.#fields.keys(),this.#key.name,...this.#properties.keys(),...this.#methods.keys()])),this.emit("methodAdded",{method:{name:methodName,body:method},model:this}),this.emit("change",{type:"methodAdded",method:{name:methodName,body:method},model:this})}removeMethod(name){if(!Model.#validateContains(this.name,"Method",name,this.#methods))return!1;var method=this.#methods.get(name);return this.emit("beforeRemoveMethod",{method:{name:name,body:method},model:this}),this.#methods.delete(name),this.emit("methodRemoved",{method:{name:name},model:this}),this.emit("change",{type:"methodRemoved",method:{name:name,body:method},model:this}),!0}addScope(scopeName,scope){this.emit("beforeAddScope",{scope:{name:scopeName,body:scope},model:this});scopeName=validateName("Scope",scopeName);this.#records[model_$addScope](scopeName,scope),this.emit("scopeAdded",{scope:{name:scopeName,body:scope},model:this}),this.emit("change",{type:"scopeAdded",scope:{name:scopeName,body:scope},model:this})}removeScope(name){if(!Model.#validateContains(this.name,"Scope",name,this.#records[model_$scopes]))return!1;var scope=this.#records[model_$scopes].get(name);return this.emit("beforeRemoveScope",{scope:{name:name,body:scope},model:this}),this.#records[model_$removeScope](name),this.emit("scopeRemoved",{scope:{name:name},model:this}),this.emit("change",{type:"scopeRemoved",scope:{name:name,body:scope},model:this}),!0}addValidator(name,validator){this.emit("beforeAddValidator",{validator:{name:name,body:validator},model:this}),this.#validators.set(name,Model.#validateFunction("Validator",name,validator,[...this.#validators.keys()])),this.emit("validatorAdded",{validator:{name:name,body:validator},model:this}),this.emit("change",{type:"validatorAdded",validator:{name:name,body:validator},model:this})}removeValidator(name){if(!Model.#validateContains(this.name,"Validator",name,this.#validators))return!1;var validator=this.#validators.get(name);return this.emit("beforeRemoveValidator",{validator:{name:name,body:validator},model:this}),this.#validators.delete(name),this.emit("validatorRemoved",{validator:{name:name},model:this}),this.emit("change",{type:"validatorRemoved",validator:{name:name,body:validator},model:this}),!0}createRecord(newRecord){this.emit("beforeCreateRecord",{record:newRecord,model:this});var[newRecordKey,newRecord]=this.#recordHandler.createRecord(newRecord);return this.#records.set(newRecordKey,newRecord),this.emit("recordCreated",{newRecord:newRecord,model:this}),newRecord}removeRecord(recordKey){if(!this.#records.has(recordKey))return console.warn(`Record ${recordKey} does not exist.`),!1;var record=this.#records.get(recordKey);return this.emit("beforeRemoveRecord",{record:record,model:this}),this.#records.delete(recordKey),this.emit("recordRemoved",{record:{[this.#key.name]:recordKey},model:this}),!0}updateRecord(recordKey,record){if("object"!=typeof record)throw new TypeError("Record data must be an object.");if(!this.#records.has(recordKey))throw new ReferenceError(`Record ${recordKey} does not exist.`);const oldRecord=this.#records.get(recordKey);return this.emit("beforeUpdateRecord",{record:oldRecord,newRecord:{[this.#key.name]:recordKey,...record},model:this}),Object.entries(record).forEach(([fieldName,fieldValue])=>{oldRecord[fieldName]=fieldValue}),this.emit("recordUpdated",{record:oldRecord,model:this}),oldRecord}get records(){return this.#records}static get[$instances](){return Model.#instances}get[model_$recordHandler](){return this.#recordHandler}get[model_$fields](){return this.#fields}get[model_$key](){return this.#key}get[model_$properties](){return this.#properties}get[model_$cachedProperties](){return this.#cachedProperties}get[model_$methods](){return this.#methods}get[model_$relationships](){return this.#relationships}get[model_$validators](){return this.#validators}[$addRelationshipAsField](relationship){var{name,type,fieldName,field}=relationship[$getField](),relationshipName=name+"."+fieldName;if(this.emit("beforeAddRelationship",{relationship:{name:name,type:type},model:this}),[...this.#fields.keys(),this.#key.name,...this.#properties.keys(),...this.#methods.keys()].includes(fieldName))throw new NameError(`Relationship field ${fieldName} is already in use.`);if(this.#relationships.has(relationshipName))throw new NameError(`Relationship ${relationshipName} is already in use.`);this.#fields.set(fieldName,field),this.#relationships.set(relationshipName,relationship),this.emit("relationshipAdded",{relationship:{name:name,type:type},model:this}),this.emit("change",{type:"relationshipAdded",relationship:{relationship:{name:name,type:type},model:this},model:this})}[$addRelationshipAsProperty](relationship){var{name,type,propertyName,property}=relationship[$getProperty](),relationshipName=name+"."+propertyName;if(this.emit("beforeAddRelationship",{relationship:{name:name,type:type},model:this}),[...this.#fields.keys(),this.#key.name,...this.#properties.keys(),...this.#methods.keys()].includes(propertyName))throw new NameError(`Relationship property ${propertyName} is already in use.`);if(this.#relationships.has(relationshipName))throw new NameError(`Relationship ${name} is already in use.`);this.#properties.set(propertyName,property),this.#relationships.set(relationshipName,relationship),this.emit("relationshipAdded",{relationship:{name:name,type:type},model:this}),this.emit("change",{type:"relationshipAdded",relationship:{relationship:{name:name,type:type},model:this},model:this})}static#createKey(options){let name="id",type="string";"string"==typeof options?name=options:"object"==typeof options&&(name=options.name||name,type=options.type||type);let keyField;return"string"===type?(keyField=new Field({name:name,type:key,required:!0,defaultValue:"__emptyKey__"}),Object.defineProperty(keyField,model_$defaultValue,{get(){throw new DefaultValueError(`Key field ${name} does not have a default value.`)}})):"auto"===type&&(keyField=Field.auto(name)),Object.defineProperty(keyField,model_$keyType,{get(){return type}}),keyField}static#parseKey(modelName,key){if("string"!=typeof key&&"object"!=typeof key)throw new TypeError(modelName+` key ${key} is not a string or object.`);if("object"==typeof key&&!key.name)throw new TypeError(modelName+` key ${key} is missing a name.`);if("object"==typeof key&&!["auto","string"].includes(key.type))throw new TypeError(modelName+` key ${key} type must be either "string" or "auto".`);return Model.#createKey(key)}static#parseField(modelName,field,restrictedNames){return validateObjectWithUniqueName({objectType:"Field",parentType:"Model",parentName:modelName},field,restrictedNames),allStandardTypes.includes(field.type)?Field[field.type](field):("function"==typeof field.type&&Schema[$handleExperimentalAPIMessage](`The provided type for ${field.name} is not part of the standard types. Function types are experimental and may go away in a later release.`),new Field(field))}static#validateFunction(callbackType,callbackName,callback,restrictedNames){if("function"!=typeof callback)throw new TypeError(callbackType+` ${callbackName} is not a function.`);if(restrictedNames.includes(callbackName))throw new DuplicationError(callbackType+` ${callbackName} already exists.`);return callback}static#validateContains(modelName,objectType,objectName,objects){return!!objects.has(objectName)||(console.warn(`Model ${modelName} does not contain a ${objectType.toLowerCase()} named ${objectName}.`),!1)}static#applyFieldRetrofill(field,records,retrofill){if(field.required||void 0!==retrofill){const retrofillFunction=void 0!==retrofill?"function"==typeof retrofill?retrofill:()=>retrofill:record=>record[field.name]||field[model_$defaultValue];records.forEach(record=>{record[field.name]=retrofillFunction(record)})}}}const{$key:relationship_$key,$recordValue:relationship_$recordValue,$fields:relationship_$fields,$getField:relationship_$getField,$getProperty:relationship_$getProperty,$get:relationship_$get,$defaultValue:relationship_$defaultValue,$instances:relationship_$instances,$handleExperimentalAPIMessage:relationship_$handleExperimentalAPIMessage}=symbols,relationshipEnum={oneToOne:"oneToOne",oneToMany:"oneToMany",manyToOne:"manyToOne",manyToMany:"manyToMany"};class Relationship{#type;#from;#to;#name;#reverseName;#relationshipField;#relationshipProperty;constructor({from:fromName,to:toModel,type:toName}={}){Schema[relationship_$handleExperimentalAPIMessage]("Relationships are experimental in the current version. There is neither validation of existence in foreign tables nor guarantee that associations work. Please use with caution."),this.#type=Relationship.#validateType(toName);var[fromModel,fromName,toModel,toName]=Relationship.#parseModelsAndNames(fromName,toModel,toName);if(this.#from=fromModel,this.#to=toModel,this.#name=fromName,this.#reverseName=toName,this.#to===this.#from&&Relationship.#isSymmetric(this.#type)&&this.#name===this.#reverseName)throw new RangeError("Relationship cannot be symmetric if the from and to models are the same and no name is provided for either one.");this.#relationshipField=Relationship.#createField(this.#name,this.#type,this.#to[relationship_$key]),this.#relationshipProperty=record=>this.#getAssociatedRecordsReverse(record)}[relationship_$getField](){return{name:this.#name,type:this.#type,fieldName:this.#name,field:this.#relationshipField}}[relationship_$getProperty](){return{name:this.#name,type:this.#type,propertyName:this.#reverseName,property:this.#relationshipProperty}}[relationship_$get](modelName,property,record){return modelName===this.#from.name&&property===this.#name?this.#getAssociatedRecords(record):modelName===this.#to.name&&property===this.#reverseName?(console.warn("Relationship getter called by the receiver model. This might indicate an issue with the library and should be reported."),this.#getAssociatedRecordsReverse(record)):void 0}#getAssociatedRecords(associationValues){if(Relationship.#isToOne(this.#type)){var associationValue=associationValues[this.#name];return this.#to.records.get(associationValue)}associationValues=associationValues[this.#name]||[];return this.#to.records.only(...associationValues)}#getAssociatedRecordsReverse(matcher){const associationValue=matcher[this.#to[relationship_$key].name];matcher=Relationship.#isToOne(this.#type)?associatedRecord=>associatedRecord[relationship_$recordValue][this.#name]===associationValue:associatedRecord=>{var associatedRecordValue=associatedRecord[relationship_$recordValue][this.#name];return![void 0,null].includes(associatedRecordValue)&&associatedRecord[relationship_$recordValue][this.#name].includes(associationValue)};return Relationship.#isFromOne(this.#type)?this.#from.records.find(matcher):this.#from.records.where(matcher)}static#isToOne(type){return[relationshipEnum.oneToOne,relationshipEnum.manyToOne].includes(type)}static#isToMany(type){return[relationshipEnum.oneToMany,relationshipEnum.manyToMany].includes(type)}static#isFromOne(type){return[relationshipEnum.oneToMany,relationshipEnum.oneToOne].includes(type)}static#isFromMany(type){return[relationshipEnum.manyToOne,relationshipEnum.manyToMany].includes(type)}static#isSymmetric(type){return[relationshipEnum.oneToOne,relationshipEnum.manyToMany].includes(type)}static#createField(name,type,foreignField){var isSingleSource=Relationship.#isFromOne(type),relationshipField=Relationship.#isToMany(type),type=relationshipField?types.arrayOf(value=>foreignField.typeCheck(value)):value=>foreignField.typeCheck(value);const validators={};isSingleSource&&!relationshipField&&(validators.unique=!0),relationshipField&&(validators.uniqueValues=!0);relationshipField=new Field({name:name,type:type,required:!1,defaultValue:relationshipField?[]:null,validators:validators});return Object.defineProperty(relationshipField,relationship_$defaultValue,{get(){throw new DefaultValueError("Relationship field does not have a default value.")}}),relationshipField}static#validateType(relationshipType){if(!Object.values(relationshipEnum).includes(relationshipType))throw new TypeError(`Invalid relationship type: ${relationshipType}.`);return relationshipType}static#validateModel(modelName){modelName="string"==typeof modelName?modelName:modelName.model;if(!Model[relationship_$instances].has(modelName))throw new ReferenceError(`Model ${modelName} does not exist.`);return Model[relationship_$instances].get(modelName)}static#createName(type,to){return Relationship.#isToOne(type)?reverseCapitalize(to):Relationship.#isToMany(type)?reverseCapitalize(to)+"Set":void 0}static#createReverseName=(type,from)=>Relationship.#isFromOne(type)?reverseCapitalize(from):Relationship.#isFromMany(type)?reverseCapitalize(from)+"Set":void 0;static#validateModelParams(name){const model=Relationship.#validateModel(name);name="string"==typeof name?null:validateName("Field",name.name);if(null!==name&&model[relationship_$fields].has(name))throw new DuplicationError(`Field ${name} already exists in ${model.name}.`);return[model,name]}static#parseModelsAndNames(from,to,type){let fromModel,fromName,toModel,toName;return[fromModel,fromName]=Relationship.#validateModelParams(from),[toModel,toName]=Relationship.#validateModelParams(to),null===fromName&&(fromName=Relationship.#createName(type,toModel.name)),null===toName&&(toName=Relationship.#createReverseName(type,fromModel.name)),[fromModel,fromName,toModel,toName]}}class Serializer{#name;#attributes;#methods;constructor({name,attributes=[],methods={}}){this.#name=validateName("Serializer",name),this.#attributes=new Map,this.#methods=new Map,attributes.forEach(attributeName=>{var[attributeValue,attributeName]="string"==typeof attributeName?[attributeName,attributeName]:attributeName;this.#attributes.set(Serializer.#validateAttribute(attributeName,[...this.#attributes.keys()]),attributeValue)}),Object.entries(methods).forEach(([methodName,methodBody])=>{this.addMethod(methodName,methodBody)})}addMethod(methodName,method){method=Serializer.#validateFunction(methodName,method,[...this.#methods.keys()]);this.#methods.set(methodName,method)}serialize(object,options){const serialized={};return this.#attributes.forEach((value,attributeName)=>{value=this.#methods.has(value)?this.#methods.get(value)(object,options):object[value];void 0!==value&&(serialized[attributeName]=value)}),serialized}serializeArray(objects,options){return objects.map(object=>this.serialize(object,options))}get name(){return this.#name}static#validateAttribute(attributeName,restrictedNames){if("string"!=typeof attributeName)throw new TypeError(`Attribute ${attributeName} is not a string.`);if(restrictedNames.includes(attributeName))throw new DuplicationError(`Attribute ${attributeName} already exists.`);return attributeName}static#validateFunction(callbackName,callback,restrictedNames){if("function"!=typeof callback)throw new TypeError(`Method ${callbackName} is not a function.`);if(restrictedNames.includes(callbackName))throw new DuplicationError(`Method ${callbackName} already exists.`);return callback}}const{$addRelationshipAsField:schema_$addRelationshipAsField,$addRelationshipAsProperty:schema_$addRelationshipAsProperty,$handleExperimentalAPIMessage:schema_$handleExperimentalAPIMessage,$key:schema_$key,$keyType:schema_$keyType,$instances:schema_$instances}=symbols;class Schema extends external_events_default(){#name;#models;#serializers;static defaultConfig={experimentalAPIMessages:"warn"};static config={...Schema.defaultConfig};static#schemas=new Map;constructor({name,models=[],relationships=[],serializers=[],config={}}={}){super(),this.#name=validateName("Schema",name),this.#models=new Map,this.#serializers=new Map,Schema.#parseConfig(config),Schema.#schemas.set(this.#name,this),models.forEach(model=>this.createModel(model)),relationships.forEach(relationship=>this.createRelationship(relationship)),serializers.forEach(serializer=>this.createSerializer(serializer));const schemaData={models:Object.fromEntries([...this.#models.entries()]),serializers:Object.fromEntries([...this.#serializers.entries()])};models.forEach(model=>{const modelRecord=this.getModel(model.name),cachedProperties=model.cacheProperties||[];model.lazyProperties&&Object.entries(model.lazyProperties).forEach(([propertyName,propertyInitializer])=>{modelRecord.addProperty(propertyName,propertyInitializer(schemaData),cachedProperties.includes(propertyName))}),model.lazyMethods&&Object.entries(model.lazyMethods).forEach(([methodName,methodInitializer])=>{modelRecord.addMethod(methodName,methodInitializer(schemaData))})}),serializers.forEach(serializer=>{const serializerRecord=this.getSerializer(serializer.name);serializer.lazyMethods&&Object.entries(serializer.lazyMethods).forEach(([methodName,methodInitializer])=>{serializerRecord.addMethod(methodName,methodInitializer(schemaData))})})}createModel(modelData){this.emit("beforeCreateModel",{model:modelData,schema:this});const model=Schema.#parseModel(this.#name,modelData,this.#models);return this.#models.set(model.name,model),model.on("change",({type,...eventData})=>{this.emit("change",{type:"model"+capitalize(type),...eventData,schema:this})}),this.emit("modelCreated",{model:model,schema:this}),this.emit("change",{type:"modelCreated",model:model,schema:this}),model}getModel(name){return this.#models.get(name)}removeModel(name){var model=this.getModel(name);if(this.emit("beforeRemoveModel",{model:model,schema:this}),!this.#models.has(name))throw new ReferenceError(`Model ${name} does not exist in schema ${this.#name}.`);this.#models.delete(name),Model[schema_$instances].delete(name),this.emit("modelRemoved",{model:{name:name},schema:this}),this.emit("change",{type:"modelRemoved",model:model,schema:this})}createRelationship(relationship){this.emit("beforeCreateRelationship",{relationship:relationship,schema:this});relationship=Schema.#applyRelationship(this.#name,relationship,this.#models);return this.emit("relationshipCreated",{relationship:relationship,schema:this}),this.emit("change",{type:"relationshipCreated",relationship:relationship,schema:this}),relationship}createSerializer(serializer){this.emit("beforeCreateSerializer",{serializer:serializer,schema:this});serializer=Schema.#parseSerializer(this.#name,serializer,this.#serializers);return this.#serializers.set(serializer.name,serializer),this.emit("serializerCreated",{serializer:serializer,schema:this}),this.emit("change",{type:"serializerCreated",serializer:serializer,schema:this}),serializer}getSerializer(name){return this.#serializers.get(name)}get name(){return this.#name}get models(){return this.#models}static create(schemaData){return new Schema(schemaData)}static get(name){return Schema.#schemas.get(name)}get(pathName){this.emit("beforeGet",{pathName:pathName,schema:this});const[modelName,recordKey,...rest]=pathName.split("."),model=this.getModel(modelName);if(!model)throw new ReferenceError(`Model ${modelName} does not exist in schema ${this.#name}.`);if(void 0===recordKey)return model;var result=model[schema_$key][schema_$keyType],result=model.records.get("string"===result?recordKey:Number.parseInt(recordKey));if(!rest.length)return result;if(!result)throw new ReferenceError(`Record ${recordKey} does not exist in model ${modelName}.`);result=rest.reduce((acc,key)=>acc[key],result);return this.emit("got",{pathName:pathName,result:result,schema:this}),result}static[schema_$handleExperimentalAPIMessage](message){var experimentalAPIMessages=Schema.config["experimentalAPIMessages"];if("warn"===experimentalAPIMessages)console.warn(message);else if("error"===experimentalAPIMessages)throw new ExperimentalAPIUsageError(message)}static#parseModel(schemaName,modelData,models){return validateObjectWithUniqueName({objectType:"Model",parentType:"Schema",parentName:schemaName},modelData,[...models.keys()]),new Model(modelData)}static#applyRelationship(relationship,toModelName,models){const{from,to,type}=toModelName;[from,to].forEach(model=>{if(!["string","object"].includes(typeof model))throw new TypeError(`Invalid relationship model: ${model}.`)});var fromModelName="string"==typeof from?from:from.model,toModelName="string"==typeof to?to:to.model;const fromModel=models.get(fromModelName),toModel=models.get(toModelName);if(!fromModel)throw new ReferenceError(`Model ${fromModelName} not found in schema ${relationship} when attempting to create a relationship.`);if(!toModel)throw new ReferenceError(`Model ${toModelName} not found in schema ${relationship} when attempting to create a relationship.`);relationship=new Relationship({from:from,to:to,type:type});return fromModel[schema_$addRelationshipAsField](relationship),toModel[schema_$addRelationshipAsProperty](relationship),relationship}static#parseSerializer(schemaName,serializerData,serializers){return validateObjectWithUniqueName({objectType:"Serializer",parentType:"Schema",parentName:schemaName},serializerData,[...serializers.keys()]),new Serializer(serializerData)}static#parseConfig(config={}){config&&["experimentalAPIMessages"].forEach(key=>{void 0!==config[key]&&["warn","error","off"].includes(config[key])&&(Schema.config[key]=config[key])})}}const src=Schema;return __webpack_exports__})()});
+!function(root,factory){"object"==typeof exports&&"object"==typeof module?module.exports=factory():"function"==typeof define&&define.amd?define([],factory):"object"==typeof exports?exports["@jsiqle/core"]=factory():root["@jsiqle/core"]=factory()}(global,function(){return(()=>{"use strict";var __webpack_require__={n:module=>{var getter=module&&module.__esModule?()=>module.default:()=>module;return __webpack_require__.d(getter,{a:getter}),getter},d:(exports,definition)=>{for(var key in definition)__webpack_require__.o(definition,key)&&!__webpack_require__.o(exports,key)&&Object.defineProperty(exports,key,{enumerable:!0,get:definition[key]})},o:(obj,prop)=>Object.prototype.hasOwnProperty.call(obj,prop),r:exports=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(exports,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(exports,"__esModule",{value:!0})}},__webpack_exports__={};__webpack_require__.r(__webpack_exports__),__webpack_require__.d(__webpack_exports__,{default:()=>src});var isUndefined=require("events"),external_events_default=__webpack_require__.n(isUndefined),symbols=["fields","key","keyType","properties","cachedProperties","methods","scopes","relationships","relationshipField","validators","recordModel","recordValue","wrappedRecordValue","recordHandler","recordTag","defaultValue","addScope","addRelationshipAsField","addRelationshipAsProperty","getField","getProperty","removeScope","copyScopes","instances","isRecord","groupTag","get","handleExperimentalAPIMessage"].reduce((acc,curr)=>(acc["$"+curr]=Symbol.for(curr),acc),{});class NameError extends Error{constructor(message){super(message),this.name="NameError"}}class ValidationError extends Error{constructor(message){super(message),this.name="ValidationError"}}class DuplicationError extends Error{constructor(message){super(message),this.name="DuplicationError"}}class DefaultValueError extends Error{constructor(message){super(message),this.name="DefaultValueError"}}class ExperimentalAPIUsageError extends Error{constructor(message){super(message),this.name="ExperimentalAPIUsageError"}}class Validator{static unique(field){return(value,data)=>data.every(item=>item[field]!==value[field])}static length(field,[min,max]){return value=>value[field].length>=min&&value[field].length<=max}static minLength(field,min){return value=>value[field].length>=min}static maxLength(field,max){return value=>value[field].length<=max}static range(field,[min,max]){return value=>value[field]>=min&&value[field]<=max}static min(field,min){return value=>value[field]>=min}static max(field,max){return value=>value[field]<=max}static integer(field){return value=>Number.isInteger(value[field])}static regex(field,regex){return value=>regex.test(value[field])}static uniqueValues(field){return value=>new Set(value[field]).size===value[field].length}static sortedAscending(field){return value=>value[field].every((item,index)=>0===index||item>=value[field][index-1])}static sortedDescending(field){return value=>value[field].every((item,index)=>0===index||item<=value[field][index-1])}static custom(field,fn){return(value,data)=>fn(value[field],data.map(item=>item[field]))}}const restrictedNames={Model:["toString","toObject","toJSON"],Field:["toString","toObject","toJSON"],Property:["toString","toObject","toJSON"],Method:["toString","toObject","toJSON"],Relationship:["toString","toObject","toJSON"]},validateName=(objectType,name)=>{var[isValid,message]=((name,restrictedNames=[])=>"string"!=typeof name?[!1,"must be a string"]:name?/^\d/.test(name)?[!1,"cannot start with a number"]:restrictedNames.includes(name)?[!1,"is reserved"]:[/^\w+$/.test(name),"must contain only alphanumeric characters, numbers or underscores"]:[!1,"is required"])(name,restrictedNames[objectType]);if(!isValid)throw new NameError(objectType+` name ${message}.`);return name},capitalize=([first,...rest])=>first.toUpperCase()+rest.join(""),reverseCapitalize=([first,...rest])=>first.toLowerCase()+rest.join(""),deepClone=obj=>{if(null===obj)return null;if(obj instanceof Date)return new Date(obj);let clone=Object.assign({},obj);return Object.entries(clone).forEach(([key,value])=>clone[key]="object"==typeof obj[key]?deepClone(value):value),Array.isArray(obj)?(clone.length=obj.length,Array.from(clone)):clone},validateObjectWithUniqueName=({objectType,parentType,parentName},obj,collection)=>{if(!(obj=>obj&&"object"==typeof obj)(obj))throw new TypeError(objectType+` ${obj} is not an object.`);if(((collection,item)=>collection.includes(item))(collection,obj.name))throw new DuplicationError(`${parentType} ${parentName} already has a ${objectType.toLowerCase()} named ${obj.name}.`);return!0};var isBoolean=val=>"boolean"==typeof val,isNumber=val=>"number"==typeof val&&val==val,isString=val=>"string"==typeof val,isDate=val=>val instanceof Date,and=(...types)=>val=>types.every(type=>type(val));const or=(...types)=>val=>types.some(type=>type(val));var isPositive=val=>0<=val;const isArrayOf=type=>val=>Array.isArray(val)&&val.every(type);var standardTypes=shape=>{const props=Object.keys(shape);return val=>{return null!=val&&"object"==typeof val&&(0===props.length||Object.keys(val).length===props.length&&props.every(prop=>shape[prop](val[prop])))}},isObjectOf=type=>val=>null!=val&&"object"==typeof val&&Object.keys(val).every(prop=>type(val[prop])),isNull=val=>null===val,isUndefined=val=>void 0===val;const isNil=or(isNull,isUndefined);const types={bool:isBoolean,number:isNumber,positiveNumber:and(isNumber,isPositive),string:isString,date:isDate,stringOrNumber:or(isString,isNumber),numberOrString:or(isString,isNumber),enum:(...values)=>val=>values.includes(val),boolArray:isArrayOf(isBoolean),numberArray:isArrayOf(isNumber),stringArray:isArrayOf(isString),dateArray:isArrayOf(isDate),oneOf:or,arrayOf:isArrayOf,oneOrArrayOf:type=>val=>or(isArrayOf(type),type)(val),object:standardTypes,objectOf:isObjectOf,optional:type=>val=>or(isNil,type)(val),null:isNull,undefined:isUndefined,nil:isNil};standardTypes={boolean:{type:isBoolean,defaultValue:!1},number:{type:isNumber,defaultValue:0},positiveNumber:{type:and(isNumber,isPositive),defaultValue:0},string:{type:isString,defaultValue:""},date:{type:isDate,defaultValue:new Date},stringOrNumber:{type:or(isString,isNumber),defaultValue:""},numberOrString:{type:or(isString,isNumber),defaultValue:0},booleanArray:{type:isArrayOf(isBoolean),defaultValue:[]},numberArray:{type:isArrayOf(isNumber),defaultValue:[]},stringArray:{type:isArrayOf(isString),defaultValue:[]},dateArray:{type:isArrayOf(isDate),defaultValue:[]},object:{type:standardTypes({}),defaultValue:{}},booleanObject:{type:isObjectOf(isBoolean),defaultValue:{a:!0}},numberObject:{type:isObjectOf(isNumber),defaultValue:{}},stringObject:{type:isObjectOf(isString),defaultValue:{}},dateObject:{type:isObjectOf(isDate),defaultValue:{}},objectArray:{type:isArrayOf(standardTypes({})),defaultValue:[]}};const key=and(isString,val=>0!==val.trim().length),{$defaultValue,$validators}=symbols;class Field{#name;#defaultValue;#required;#type;#validators;constructor({name,type,required=!1,defaultValue=null,validators={}}){this.#name=validateName("Field",name),this.#required=Field.#validateRequired(required),this.#type=Field.#validateType(type,required),this.#defaultValue=Field.#validateDefaultValue(defaultValue,this.#type,this.#required),this.#validators=new Map,Object.entries(validators).forEach(([validatorName,validator])=>{this.addValidator(validatorName,validator)})}addValidator(validatorName,validator){this.#validators.set(...Field.#parseFieldValidator(this.#name,validatorName,validator))}get name(){return this.#name}get required(){return this.#required}typeCheck(value){return this.#type(value)}get[$defaultValue](){return this.#defaultValue}get[$validators](){return this.#validators}static#validateType(type,required){if("function"!=typeof type)throw new TypeError("Field type must be a function.");return required?type:types.optional(type)}static#validateRequired(required){if("boolean"!=typeof required)throw new TypeError("Field required must be a boolean.");return required}static#validateDefaultValue(defaultValue,type,required){if(required&&types.nil(defaultValue))throw new ValidationError("Default value cannot be null or undefined.");if(!type(defaultValue))throw new ValidationError("Default value must be valid.");return defaultValue}static#parseFieldValidator(fieldName,validatorName,validator){if(void 0!==Validator[validatorName])return[""+fieldName+capitalize(validatorName),Validator[validatorName](fieldName,validator)];if("function"!=typeof validator)throw new TypeError(`Validator ${validatorName} is not defined.`);return[""+fieldName+capitalize(validatorName),Validator.custom(fieldName,validator)]}}Object.entries(standardTypes).forEach(([typeName,standardType])=>{const{type,defaultValue:typeDefaultValue}=standardType;Field[typeName]=options=>"string"==typeof options?new Field({name:options,type:type}):new Field({...options,type:type}),Field[typeName+"Required"]=options=>{if("string"==typeof options)return new Field({name:options,type:type,required:!0,defaultValue:typeDefaultValue});var defaultValue=options.defaultValue||typeDefaultValue;return new Field({...options,type:type,required:!0,defaultValue:defaultValue})}}),Field.enum=({name,values})=>new Field({name:name,type:types.enum(...values)}),Field.enumRequired=({name,values,defaultValue=values[0]})=>new Field({name:name,type:types.enum(...values),required:!0,defaultValue:defaultValue}),Field.auto=autoField=>{autoField="string"==typeof autoField?autoField:autoField.name;const generator=function*(){let i=0;for(;;)yield i++}();let currentValue=0;autoField=new Field({name:autoField,type:value=>value===currentValue,required:!0,defaultValue:currentValue});return Object.defineProperty(autoField,$defaultValue,{get(){var value=generator.next().value;return currentValue=value}}),autoField};const{$recordValue,$wrappedRecordValue,$recordHandler,$recordModel,$recordTag,$cachedProperties,$key}=symbols;class Record{#recordValue;#recordHandler;#proxiedRecord;#cachedProperties;constructor(value,handler){return this.#recordValue=value,this.#recordHandler=handler,this.#cachedProperties=new Map,this.#proxiedRecord=new Proxy(this,this.#recordHandler),this.#proxiedRecord}get[$cachedProperties](){return this.#cachedProperties}get[$recordHandler](){return this.#recordHandler}get[$recordValue](){return this.#recordValue}get[$wrappedRecordValue](){return this.#proxiedRecord}get[$recordModel](){return this.#recordHandler.model}get[$recordTag](){var model=this[$recordModel],key=model[$key].name;return model.name+"#"+this[$recordValue][key]}get[Symbol.toStringTag](){return this[$recordTag]}}const record=Record,partial_$recordTag=symbols["$recordTag"];class PartialRecord{#tag;constructor(value,tag){Object.keys(value).forEach(key=>{this[key]=value[key]}),this.#tag=tag}get[partial_$recordTag](){return this.#tag}get[Symbol.toStringTag](){return this[partial_$recordTag]}toObject(){return{...this}}toJSON(){return this.toObject()}}const fragment_$recordTag=symbols["$recordTag"];class RecordFragment extends Array{#tag;constructor(values,tag){super(),values.forEach(value=>{this.push(value)}),this.#tag=tag}get[fragment_$recordTag](){return this.#tag}get[Symbol.toStringTag](){return this[fragment_$recordTag]}toObject(){return[...this]}toJSON(){return this.toObject()}}const{$recordModel:set_$recordModel,$recordTag:set_$recordTag,$scopes,$addScope,$removeScope,$copyScopes,$isRecord,$key:set_$key}=symbols;class RecordSet extends Map{#frozen;#scopes;constructor({iterable=[],copyScopesFrom=null}={}){super();for(var[key,value]of iterable)this.set(key,value);this.#scopes=new Map,copyScopesFrom&&this[$copyScopes](copyScopesFrom),this.#frozen=!1}freeze(){return this.#frozen=!0,this}set(key,value){if(this.#frozen)throw new TypeError("Cannot modify a frozen RecordSet.");return super.set(key,value),this}delete(key){if(this.#frozen)throw new TypeError("Cannot modify a frozen RecordSet.");return super.delete(key)}clear(){if(this.#frozen)throw new TypeError("Cannot modify a frozen RecordSet.");super.clear()}map(callbackFn){return[...this.entries()].reduce((newMap,[key,value])=>(newMap[key]=callbackFn(value,key,this),newMap),{})}flatMap(callbackFn){return[...this.entries()].map(([key,value])=>callbackFn(value,key,this))}reduce(callbackFn,initialValue){return[...this.entries()].reduce((acc,[key,value])=>callbackFn(acc,value,key,this),initialValue)}filter(callbackFn){return[...this.entries()].reduce((newMap,[key,value])=>(callbackFn(value,key,this)&&newMap.set(key,value),newMap),new RecordSet({copyScopesFrom:this})).freeze()}flatFilter(callbackFn){return[...this.entries()].reduce((arr,[key,value])=>(callbackFn(value,key,this)&&arr.push(value),arr),[])}find(callbackFn){var match=[...this.entries()].find(([key,value])=>callbackFn(value,key,this));if(match)return match[1]}findKey(callbackFn){var match=[...this.entries()].find(([key,value])=>callbackFn(value,key,this));if(match)return match[0]}only(...keys){return new RecordSet({iterable:keys.reduce((itr,key)=>(this.has(key)&&itr.push([key,this.get(key)]),itr),[]),copyScopesFrom:this}).freeze()}except(...keys){return new RecordSet({iterable:[...this.entries()].filter(([key])=>!keys.includes(key)),copyScopesFrom:this}).freeze()}sort(comparatorFn){var sorted=[...this.entries()].sort(([key1,value1],[key2,value2])=>comparatorFn(value1,value2,key1,key2));return new RecordSet({iterable:sorted,copyScopesFrom:this}).freeze()}every(callbackFn){return 0===this.size||[...this.entries()].every(([key,value])=>callbackFn(value,key,this))}some(callbackFn){return 0!==this.size&&[...this.entries()].some(([key,value])=>callbackFn(value,key,this))}select(...keys){return new RecordSet({iterable:[...this.entries()].map(([key,value])=>{const obj={};return keys.forEach(key=>obj[key]=value[key]),[key,new PartialRecord(obj,value[set_$recordTag])]}),copyScopesFrom:this}).freeze()}flatSelect(...keys){return[...this.values()].map(value=>keys.reduce((obj,key)=>({...obj,[key]:value[key]}),{}))}pluck(...keys){return new RecordSet({iterable:[...this.entries()].map(([key,value])=>{var values=keys.map(key=>value[key]);return[key,new RecordFragment(values,value[set_$recordTag])]}),copyScopesFrom:this}).freeze()}flatPluck(...keys){const isSingleKey=1===keys.length;return[...this.values()].map(value=>isSingleKey?value[keys[0]]:keys.map(key=>value[key]))}groupBy(key){const res=new RecordSet({copyScopesFrom:this,iterable:[]});for(var[recordKey,value]of this.entries()){let keyValue=value[key];void 0!==keyValue&&null!==keyValue&&keyValue[$isRecord]&&(keyValue=value[key][set_$key]),res.has(keyValue)||res.set(keyValue,new RecordGroup({copyScopesFrom:this,iterable:[],groupName:keyValue})),res.get(keyValue).set(recordKey,value)}for(const value of res.values())value.freeze();return res.freeze()}duplicate(){return new RecordSet({iterable:[...this.entries()],copyScopesFrom:this}).freeze()}merge(...recordSets){const res=new Map([...this.entries()]);for(const recordSet of recordSets)for(var[key,value]of recordSet.entries()){if(res.has(key))throw new DuplicationError(`Key ${key} already exists in the record set.`);res.set(key,value)}return new RecordSet({iterable:[...res.entries()],copyScopesFrom:this}).freeze()}append(...records){const res=new RecordSet({iterable:[...this.entries()],copyScopesFrom:this});for(const record of records)res.set(record[set_$key],record);return res.freeze()}where(callbackFn){return this.filter(callbackFn)}whereNot(callbackFn){return this.filter((value,key,map)=>!callbackFn(value,key,map))}*flatBatchIterator(batchSize){let batch=[];for(var[,value]of this)batch.push(value),batch.length===batchSize&&(yield batch,batch=[]);batch.length&&(yield batch)}*batchIterator(batchSize){let batch=[];for(var[key,value]of this)batch.push([key,value]),batch.length===batchSize&&(yield new RecordSet({copyScopesFrom:this,iterable:batch}).freeze(),batch=[]);batch.length&&(yield new RecordSet({copyScopesFrom:this,iterable:batch}).freeze())}limit(n){let records=[];for(var[key,value]of this)if(records.push([key,value]),records.length===n)break;return new RecordSet({iterable:records,copyScopesFrom:this}).freeze()}offset(n){let counter=0,records=[];for(var[key,value]of this)counter<n?counter++:records.push([key,value]);return new RecordSet({iterable:records,copyScopesFrom:this}).freeze()}slice(start,end){return new RecordSet({iterable:[...this.entries()].slice(start,end),copyScopesFrom:this}).freeze()}get first(){for(var[,value]of this)return value}get last(){if(0!==this.size)return[...this.entries()].pop()[1]}get count(){return this.size}get length(){return this.size}toArray(){return[...this.values()]}toFlatArray(){return[...this.values()].map(value=>value instanceof RecordGroup?value.toFlatArray():value.toObject())}toObject(){return[...this.entries()].reduce((obj,[key,value])=>(obj[key]=value,obj),{})}toFlatObject(){return[...this.entries()].reduce((obj,[key,value])=>(obj[key]=value instanceof RecordGroup?value.toFlatArray():value.toObject(),obj),{})}toJSON(){return this.toObject()}get[Symbol.toStringTag](){var records=[...this.values()];try{const firstModel=records[0][set_$recordModel].name;if(((arr,fn)=>{const eql=fn(arr[0]);return arr.every(val=>fn(val)===eql)})(records,value=>value[set_$recordModel].name===firstModel))return firstModel}catch(e){return""}return""}static get[Symbol.species](){return Map}[$addScope](name,scope){if(RecordSet.#validateProperty("Scope",name,scope,this.#scopes),this[name]||Object.getOwnPropertyNames(RecordSet.prototype).includes(name))throw new NameError(`Scope name ${name} is already in use.`);this.#scopes.set(name,scope),Object.defineProperty(this,name,{configurable:!0,get:()=>this.where(this.#scopes.get(name))})}[$removeScope](name){this.#scopes.delete(RecordSet.#validateContains("Scope",name,this.#scopes)),delete this[name]}[$copyScopes](otherRecordSet){otherRecordSet[$scopes].forEach((scope,name)=>{this[$addScope](name,scope)})}get[$scopes](){return this.#scopes}static#validateProperty(callbackType,callbackName,callback,callbacks){if("function"!=typeof callback)throw new TypeError(callbackType+` ${callbackName} is not a function.`);if(callbacks.has(callbackName))throw new DuplicationError(callbackType+` ${callbackName} already exists.`);return callback}static#validateContains(objectType,objectName,objects){if(!objects.has(objectName))throw new ReferenceError(objectType+` ${objectName} does not exist.`);return objectName}}const set=RecordSet,$groupTag=symbols["$groupTag"];class RecordGroup extends set{#groupName;constructor({iterable=[],copyScopesFrom=null,groupName=""}={}){super({iterable:iterable,copyScopesFrom:copyScopesFrom}),this.#groupName=groupName}get[$groupTag](){return this.#groupName}get[Symbol.toStringTag](){return this[$groupTag]}}const{$fields,$defaultValue:handler_$defaultValue,$key:handler_$key,$keyType,$properties,$cachedProperties:handler_$cachedProperties,$methods,$relationships,$validators:handler_$validators,$recordValue:handler_$recordValue,$wrappedRecordValue:handler_$wrappedRecordValue,$recordModel:handler_$recordModel,$recordTag:handler_$recordTag,$isRecord:handler_$isRecord,$get}=symbols;class RecordHandler{#model;constructor(model){this.#model=model}get model(){return this.#model}createRecord(recordData){if(!recordData)throw new TypeError("Record data cannot be empty.");if("object"!=typeof recordData)throw new TypeError("Record data must be an object.");const modelName=this.#getModelName(),newRecordKey=RecordHandler.#validateNewRecordKey(modelName,this.#getKey(),recordData[this.#getKey().name],this.#model.records),clonedRecord=deepClone(recordData),extraProperties=Object.keys(clonedRecord).filter(property=>!this.#hasField(property)&&!this.#isModelKey(property));0<extraProperties.length&&console.warn(`${modelName} record has extra fields: ${extraProperties.join(", ")}.`);const newRecord=new record({[this.#getKey().name]:newRecordKey,...extraProperties.reduce((obj,property)=>({...obj,[property]:clonedRecord[property]}),{})},this);return this.#getFieldNames().forEach(field=>{this.set(newRecord,field,clonedRecord[field],newRecord,!0)}),this.#getValidators().forEach((validator,validatorName)=>{if(!validator(newRecord,this.#model.records))throw new RangeError(`${modelName} record with key ${newRecordKey} failed validation for ${validatorName}.`)}),[newRecordKey,newRecord]}get(record,property){return this.#hasRelationshipField(property)?this.#getRelationship(record,property):this.#isModelKey(property)||this.#hasField(property)?this.#getFieldValue(record,property):this.#hasProperty(property)?this.#getProperty(record,property):this.#hasMethod(property)?this.#getMethod(record,property):this.#isCallToSerialize(property)?RecordHandler.#recordToObject(record,this.#model,this):this.#isCallToString(property)?()=>this.#getKeyValue(record):this.#isKnownSymbol(property)?this.#getKnownSymbol(record,property):void 0}set(record,property,value,receiver,skipValidation){const recordValue=record[handler_$recordValue],recordKey=this.#getKeyValue(record),otherRecords=this.#model.records.except(recordKey);if(this.#hasProperty(property))throw new TypeError(`${this.#getModelName()} record ${recordKey} cannot set property ${property}.`);if(this.#hasMethod(property))throw new TypeError(`${this.#getModelName()} record ${recordKey} cannot set method ${property}.`);if(this.#hasField(property)){const field=this.#getField(property);RecordHandler.#setRecordField(this.#model.name,record,field,value),field[handler_$validators].forEach((validator,validatorName)=>{if(![null,void 0].includes(recordValue[property])&&!validator(recordValue,otherRecords))throw new RangeError(`${this.#getModelName()} record with key ${recordKey} failed validation for ${validatorName}.`)})}else console.warn(this.#model.name+` record has extra field: ${property}.`),recordValue[property]=value;return skipValidation||this.#getValidators().forEach((validator,validatorName)=>{if(!validator(recordValue,otherRecords))throw new RangeError(`${this.#getModelName()} record with key ${recordKey} failed validation for ${validatorName}.`)}),!0}static#setRecordField(modelName,record,field,recordValue){recordValue=field.required&&types.nil(recordValue)?field[handler_$defaultValue]:recordValue;if(!field.typeCheck(recordValue))throw new TypeError(`${modelName} record has invalid value for field ${field.name}.`);record[handler_$wrappedRecordValue]&&record[handler_$cachedProperties].clear(),record[handler_$recordValue][field.name]=recordValue}static#recordToObject(record,key,handler){const recordValue=record[handler_$recordValue],fields=key[$fields],properties=key[$properties];key=key[handler_$key].name;const object={[key]:recordValue[key]};fields.forEach(field=>{void 0!==recordValue[field.name]&&(object[field.name]=recordValue[field.name])});return({include=[]}={})=>{var result=object;const included=include.map(name=>{const[field,...props]=name.split(".");return[field,props.join(".")]});return included.forEach(([includedField,props])=>{if(object[includedField])if(Array.isArray(object[includedField])){const records=handler.get(record,includedField);object[includedField]=records.map(record=>record.toObject({include:[props]}))}else object[includedField]=handler.get(record,includedField).toObject({include:[props]});else properties.has(includedField)&&(object[includedField]=handler.get(record,includedField))}),result}}static#validateNewRecordKey=(modelName,modelKey,recordKey,records)=>{let newRecordKey=recordKey;if("string"===modelKey[$keyType]&&!modelKey.typeCheck(newRecordKey))throw new TypeError(`${modelName} record has invalid value for key ${modelKey.name}.`);if("auto"===modelKey[$keyType]&&(newRecordKey=modelKey[handler_$defaultValue]),records.has(newRecordKey))throw new DuplicationError(`${modelName} record with key ${newRecordKey} already exists.`);return newRecordKey};#getModelName(){return this.#model.name}#getFieldNames(){return[...this.#model[$fields].keys()]}#getValidators(){return this.#model[handler_$validators]}#isModelKey(property){return this.#model[handler_$key].name===property}#getKey(){return this.#model[handler_$key]}#getKeyValue(record){return record[handler_$recordValue][this.#model[handler_$key].name]}#hasField(property){return this.#model[$fields].has(property)}#getField(property){return this.#model[$fields].get(property)}#getFieldValue(record,property){return record[handler_$recordValue][property]}#hasProperty(property){return this.#model[$properties].has(property)}#getProperty(record,property){if(this.#model[handler_$cachedProperties].has(property)){if(record[handler_$cachedProperties]&&record[handler_$cachedProperties].has(property))return record[handler_$cachedProperties].get(property);var value=this.#model[$properties].get(property)(record[handler_$wrappedRecordValue]);return record[handler_$cachedProperties].set(property,value),value}return this.#model[$properties].get(property)(record[handler_$wrappedRecordValue])}#hasMethod(method){return this.#model[$methods].has(method)}#getMethod(record,method){const methodFn=this.#model[$methods].get(method);return(...args)=>methodFn(record[handler_$wrappedRecordValue],...args)}#hasRelationshipField(property){return!!this.#hasField(property)&&this.#model[$relationships].has(property+"."+property)}#getRelationship(record,property){return this.#model[$relationships].get(property+"."+property)[$get](this.#getModelName(),property,record[handler_$recordValue])}#isCallToSerialize(property){return"toObject"===property||"toJSON"===property}#isCallToString(property){return"toString"===property}#isKnownSymbol(property){return[handler_$recordModel,handler_$recordTag,handler_$recordValue,handler_$isRecord,handler_$key].includes(property)}#getKnownSymbol(record,property){return property===handler_$isRecord||(property===handler_$key&&this.#getKey(),record[property])}}const handler=RecordHandler,{$fields:model_$fields,$defaultValue:model_$defaultValue,$key:model_$key,$keyType:model_$keyType,$properties:model_$properties,$cachedProperties:model_$cachedProperties,$methods:model_$methods,$scopes:model_$scopes,$relationships:model_$relationships,$validators:model_$validators,$recordHandler:model_$recordHandler,$addScope:model_$addScope,$addRelationshipAsField,$addRelationshipAsProperty,$getField,$getProperty,$removeScope:model_$removeScope,$instances,$handleExperimentalAPIMessage}=symbols,allStandardTypes=[...Object.keys(standardTypes),...Object.keys(standardTypes).map(type=>type+"Required"),"enum","enumRequired","auto"];class Model extends external_events_default(){#records;#recordHandler;#fields;#key;#properties;#methods;#relationships;#validators;#updatingField=!1;#cachedProperties;static#instances=new Map;constructor({name,fields=[],key="id",properties={},methods={},scopes={},validators={},cacheProperties=[]}={}){if(super(),this.name=validateName("Model",name),Model.#instances.has(name))throw new DuplicationError(`A model named ${name} already exists.`);this.#records=new set,this.#recordHandler=new handler(this),this.#key=Model.#parseKey(this.name,key),this.#fields=new Map,this.#properties=new Map,this.#methods=new Map,this.#relationships=new Map,this.#validators=new Map,this.#cachedProperties=new Set,fields.forEach(field=>this.addField(field)),Object.entries(properties).forEach(([propertyName,property])=>{this.addProperty(propertyName,property,cacheProperties.includes(propertyName))}),Object.entries(methods).forEach(([methodName,method])=>{this.addMethod(methodName,method)}),Object.entries(scopes).forEach(([scopeName,scope])=>{this.addScope(scopeName,scope)}),Object.entries(validators).forEach(([validatorName,validator])=>{this.addValidator(validatorName,validator)}),Model.#instances.set(this.name,this)}addField(fieldOptions,retrofill){this.#updatingField||this.emit("beforeAddField",{field:fieldOptions,model:this});var field=Model.#parseField(this.name,fieldOptions,[...this.#fields.keys(),this.#key.name,...this.#properties.keys(),...this.#methods.keys()]);return this.#fields.set(fieldOptions.name,field),this.#updatingField||this.emit("fieldAdded",{field:field,model:this}),this.emit("beforeRetrofillField",{field:field,retrofill:retrofill,model:this}),Model.#applyFieldRetrofill(field,this.#records,retrofill),this.emit("fieldRetrofilled",{field:field,retrofill:retrofill,model:this}),this.#updatingField||this.emit("change",{type:"fieldAdded",field:field,model:this}),field}removeField(name){if(!Model.#validateContains(this.name,"Field",name,this.#fields))return!1;var field=this.#fields.get(name);return this.#updatingField||this.emit("beforeRemoveField",{field:field,model:this}),this.#fields.delete(name),this.#updatingField||(this.emit("fieldRemoved",{field:{name:name},model:this}),this.emit("change",{type:"fieldRemoved",field:field,model:this})),!0}updateField(name,field,newField){if(field.name!==name)throw new NameError(`Field name ${field.name} does not match ${name}.`);if(!Model.#validateContains(this.name,"Field",name,this.#fields))throw new ReferenceError(`Field ${name} does not exist.`);var prevField=this.#fields.get(name);this.#updatingField=!0,this.emit("beforeUpdateField",{prevField:prevField,field:field,model:this}),this.removeField(name);newField=this.addField(field,newField);this.emit("fieldUpdated",{field:newField,model:this}),this.#updatingField=!1,this.emit("change",{type:"fieldUpdated",field:newField,model:this})}addProperty(name,property,cache=!1){this.emit("beforeAddProperty",{property:{name:name,body:property},model:this});var propertyName=validateName("Property",name);this.#properties.set(propertyName,Model.#validateFunction("Property",name,property,[...this.#fields.keys(),this.#key.name,...this.#properties.keys(),...this.#methods.keys()])),cache&&this.#cachedProperties.add(propertyName),this.emit("propertyAdded",{property:{name:propertyName,body:property},model:this}),this.emit("change",{type:"propertyAdded",property:{name:propertyName,body:property},model:this})}removeProperty(name){if(!Model.#validateContains(this.name,"Property",name,this.#properties))return!1;var property=this.#properties.get(name);return this.emit("beforeRemoveProperty",{property:{name:name,body:property},model:this}),this.#properties.delete(name),this.#cachedProperties.has(name)&&this.#cachedProperties.delete(name),this.emit("propertyRemoved",{property:{name:name},model:this}),this.emit("change",{type:"propertyRemoved",property:{name:name,body:property},model:this}),!0}addMethod(name,method){this.emit("beforeAddMethod",{method:{name:name,body:method},model:this});var methodName=validateName("Method",name);this.#methods.set(methodName,Model.#validateFunction("Method",name,method,[...this.#fields.keys(),this.#key.name,...this.#properties.keys(),...this.#methods.keys()])),this.emit("methodAdded",{method:{name:methodName,body:method},model:this}),this.emit("change",{type:"methodAdded",method:{name:methodName,body:method},model:this})}removeMethod(name){if(!Model.#validateContains(this.name,"Method",name,this.#methods))return!1;var method=this.#methods.get(name);return this.emit("beforeRemoveMethod",{method:{name:name,body:method},model:this}),this.#methods.delete(name),this.emit("methodRemoved",{method:{name:name},model:this}),this.emit("change",{type:"methodRemoved",method:{name:name,body:method},model:this}),!0}addScope(scopeName,scope){this.emit("beforeAddScope",{scope:{name:scopeName,body:scope},model:this});scopeName=validateName("Scope",scopeName);this.#records[model_$addScope](scopeName,scope),this.emit("scopeAdded",{scope:{name:scopeName,body:scope},model:this}),this.emit("change",{type:"scopeAdded",scope:{name:scopeName,body:scope},model:this})}removeScope(name){if(!Model.#validateContains(this.name,"Scope",name,this.#records[model_$scopes]))return!1;var scope=this.#records[model_$scopes].get(name);return this.emit("beforeRemoveScope",{scope:{name:name,body:scope},model:this}),this.#records[model_$removeScope](name),this.emit("scopeRemoved",{scope:{name:name},model:this}),this.emit("change",{type:"scopeRemoved",scope:{name:name,body:scope},model:this}),!0}addValidator(name,validator){this.emit("beforeAddValidator",{validator:{name:name,body:validator},model:this}),this.#validators.set(name,Model.#validateFunction("Validator",name,validator,[...this.#validators.keys()])),this.emit("validatorAdded",{validator:{name:name,body:validator},model:this}),this.emit("change",{type:"validatorAdded",validator:{name:name,body:validator},model:this})}removeValidator(name){if(!Model.#validateContains(this.name,"Validator",name,this.#validators))return!1;var validator=this.#validators.get(name);return this.emit("beforeRemoveValidator",{validator:{name:name,body:validator},model:this}),this.#validators.delete(name),this.emit("validatorRemoved",{validator:{name:name},model:this}),this.emit("change",{type:"validatorRemoved",validator:{name:name,body:validator},model:this}),!0}createRecord(newRecord){this.emit("beforeCreateRecord",{record:newRecord,model:this});var[newRecordKey,newRecord]=this.#recordHandler.createRecord(newRecord);return this.#records.set(newRecordKey,newRecord),this.emit("recordCreated",{newRecord:newRecord,model:this}),newRecord}removeRecord(recordKey){if(!this.#records.has(recordKey))return console.warn(`Record ${recordKey} does not exist.`),!1;var record=this.#records.get(recordKey);return this.emit("beforeRemoveRecord",{record:record,model:this}),this.#records.delete(recordKey),this.emit("recordRemoved",{record:{[this.#key.name]:recordKey},model:this}),!0}updateRecord(recordKey,record){if("object"!=typeof record)throw new TypeError("Record data must be an object.");if(!this.#records.has(recordKey))throw new ReferenceError(`Record ${recordKey} does not exist.`);const oldRecord=this.#records.get(recordKey);return this.emit("beforeUpdateRecord",{record:oldRecord,newRecord:{[this.#key.name]:recordKey,...record},model:this}),Object.entries(record).forEach(([fieldName,fieldValue])=>{oldRecord[fieldName]=fieldValue}),this.emit("recordUpdated",{record:oldRecord,model:this}),oldRecord}get records(){return this.#records}static get[$instances](){return Model.#instances}get[model_$recordHandler](){return this.#recordHandler}get[model_$fields](){return this.#fields}get[model_$key](){return this.#key}get[model_$properties](){return this.#properties}get[model_$cachedProperties](){return this.#cachedProperties}get[model_$methods](){return this.#methods}get[model_$relationships](){return this.#relationships}get[model_$validators](){return this.#validators}[$addRelationshipAsField](relationship){var{name,type,fieldName,field}=relationship[$getField](),relationshipName=name+"."+fieldName;if(this.emit("beforeAddRelationship",{relationship:{name:name,type:type},model:this}),[...this.#fields.keys(),this.#key.name,...this.#properties.keys(),...this.#methods.keys()].includes(fieldName))throw new NameError(`Relationship field ${fieldName} is already in use.`);if(this.#relationships.has(relationshipName))throw new NameError(`Relationship ${relationshipName} is already in use.`);this.#fields.set(fieldName,field),this.#relationships.set(relationshipName,relationship),this.emit("relationshipAdded",{relationship:{name:name,type:type},model:this}),this.emit("change",{type:"relationshipAdded",relationship:{relationship:{name:name,type:type},model:this},model:this})}[$addRelationshipAsProperty](relationship){var{name,type,propertyName,property}=relationship[$getProperty](),relationshipName=name+"."+propertyName;if(this.emit("beforeAddRelationship",{relationship:{name:name,type:type},model:this}),[...this.#fields.keys(),this.#key.name,...this.#properties.keys(),...this.#methods.keys()].includes(propertyName))throw new NameError(`Relationship property ${propertyName} is already in use.`);if(this.#relationships.has(relationshipName))throw new NameError(`Relationship ${name} is already in use.`);this.#properties.set(propertyName,property),this.#relationships.set(relationshipName,relationship),this.emit("relationshipAdded",{relationship:{name:name,type:type},model:this}),this.emit("change",{type:"relationshipAdded",relationship:{relationship:{name:name,type:type},model:this},model:this})}static#createKey(options){let name="id",type="string";"string"==typeof options?name=options:"object"==typeof options&&(name=options.name||name,type=options.type||type);let keyField;return"string"===type?(keyField=new Field({name:name,type:key,required:!0,defaultValue:"__emptyKey__"}),Object.defineProperty(keyField,model_$defaultValue,{get(){throw new DefaultValueError(`Key field ${name} does not have a default value.`)}})):"auto"===type&&(keyField=Field.auto(name)),Object.defineProperty(keyField,model_$keyType,{get(){return type}}),keyField}static#parseKey(modelName,key){if("string"!=typeof key&&"object"!=typeof key)throw new TypeError(modelName+` key ${key} is not a string or object.`);if("object"==typeof key&&!key.name)throw new TypeError(modelName+` key ${key} is missing a name.`);if("object"==typeof key&&!["auto","string"].includes(key.type))throw new TypeError(modelName+` key ${key} type must be either "string" or "auto".`);return Model.#createKey(key)}static#parseField(modelName,field,restrictedNames){return validateObjectWithUniqueName({objectType:"Field",parentType:"Model",parentName:modelName},field,restrictedNames),allStandardTypes.includes(field.type)?Field[field.type](field):("function"==typeof field.type&&Schema[$handleExperimentalAPIMessage](`The provided type for ${field.name} is not part of the standard types. Function types are experimental and may go away in a later release.`),new Field(field))}static#validateFunction(callbackType,callbackName,callback,restrictedNames){if("function"!=typeof callback)throw new TypeError(callbackType+` ${callbackName} is not a function.`);if(restrictedNames.includes(callbackName))throw new DuplicationError(callbackType+` ${callbackName} already exists.`);return callback}static#validateContains(modelName,objectType,objectName,objects){return!!objects.has(objectName)||(console.warn(`Model ${modelName} does not contain a ${objectType.toLowerCase()} named ${objectName}.`),!1)}static#applyFieldRetrofill(field,records,retrofill){if(field.required||void 0!==retrofill){const retrofillFunction=void 0!==retrofill?"function"==typeof retrofill?retrofill:()=>retrofill:record=>record[field.name]||field[model_$defaultValue];records.forEach(record=>{record[field.name]=retrofillFunction(record)})}}}const{$key:relationship_$key,$recordValue:relationship_$recordValue,$fields:relationship_$fields,$getField:relationship_$getField,$getProperty:relationship_$getProperty,$get:relationship_$get,$defaultValue:relationship_$defaultValue,$instances:relationship_$instances,$handleExperimentalAPIMessage:relationship_$handleExperimentalAPIMessage}=symbols,relationshipEnum={oneToOne:"oneToOne",oneToMany:"oneToMany",manyToOne:"manyToOne",manyToMany:"manyToMany"};class Relationship{#type;#from;#to;#name;#reverseName;#relationshipField;#relationshipProperty;constructor({from:fromName,to:toModel,type:toName}={}){Schema[relationship_$handleExperimentalAPIMessage]("Relationships are experimental in the current version. There is neither validation of existence in foreign tables nor guarantee that associations work. Please use with caution."),this.#type=Relationship.#validateType(toName);var[fromModel,fromName,toModel,toName]=Relationship.#parseModelsAndNames(fromName,toModel,toName);if(this.#from=fromModel,this.#to=toModel,this.#name=fromName,this.#reverseName=toName,this.#to===this.#from&&Relationship.#isSymmetric(this.#type)&&this.#name===this.#reverseName)throw new RangeError("Relationship cannot be symmetric if the from and to models are the same and no name is provided for either one.");this.#relationshipField=Relationship.#createField(this.#name,this.#type,this.#to[relationship_$key]),this.#relationshipProperty=record=>this.#getAssociatedRecordsReverse(record)}[relationship_$getField](){return{name:this.#name,type:this.#type,fieldName:this.#name,field:this.#relationshipField}}[relationship_$getProperty](){return{name:this.#name,type:this.#type,propertyName:this.#reverseName,property:this.#relationshipProperty}}[relationship_$get](modelName,property,record){return modelName===this.#from.name&&property===this.#name?this.#getAssociatedRecords(record):modelName===this.#to.name&&property===this.#reverseName?(console.warn("Relationship getter called by the receiver model. This might indicate an issue with the library and should be reported."),this.#getAssociatedRecordsReverse(record)):void 0}#getAssociatedRecords(associationValues){if(Relationship.#isToOne(this.#type)){var associationValue=associationValues[this.#name];return this.#to.records.get(associationValue)}associationValues=associationValues[this.#name]||[];return this.#to.records.only(...associationValues)}#getAssociatedRecordsReverse(matcher){const associationValue=matcher[this.#to[relationship_$key].name];matcher=Relationship.#isToOne(this.#type)?associatedRecord=>associatedRecord[relationship_$recordValue][this.#name]===associationValue:associatedRecord=>{var associatedRecordValue=associatedRecord[relationship_$recordValue][this.#name];return![void 0,null].includes(associatedRecordValue)&&associatedRecord[relationship_$recordValue][this.#name].includes(associationValue)};return Relationship.#isFromOne(this.#type)?this.#from.records.find(matcher):this.#from.records.where(matcher)}static#isToOne(type){return[relationshipEnum.oneToOne,relationshipEnum.manyToOne].includes(type)}static#isToMany(type){return[relationshipEnum.oneToMany,relationshipEnum.manyToMany].includes(type)}static#isFromOne(type){return[relationshipEnum.oneToMany,relationshipEnum.oneToOne].includes(type)}static#isFromMany(type){return[relationshipEnum.manyToOne,relationshipEnum.manyToMany].includes(type)}static#isSymmetric(type){return[relationshipEnum.oneToOne,relationshipEnum.manyToMany].includes(type)}static#createField(name,type,foreignField){var isSingleSource=Relationship.#isFromOne(type),relationshipField=Relationship.#isToMany(type),type=relationshipField?types.arrayOf(value=>foreignField.typeCheck(value)):value=>foreignField.typeCheck(value);const validators={};isSingleSource&&!relationshipField&&(validators.unique=!0),relationshipField&&(validators.uniqueValues=!0);relationshipField=new Field({name:name,type:type,required:!1,defaultValue:relationshipField?[]:null,validators:validators});return Object.defineProperty(relationshipField,relationship_$defaultValue,{get(){throw new DefaultValueError("Relationship field does not have a default value.")}}),relationshipField}static#validateType(relationshipType){if(!Object.values(relationshipEnum).includes(relationshipType))throw new TypeError(`Invalid relationship type: ${relationshipType}.`);return relationshipType}static#validateModel(modelName){modelName="string"==typeof modelName?modelName:modelName.model;if(!Model[relationship_$instances].has(modelName))throw new ReferenceError(`Model ${modelName} does not exist.`);return Model[relationship_$instances].get(modelName)}static#createName(type,to){return Relationship.#isToOne(type)?reverseCapitalize(to):Relationship.#isToMany(type)?reverseCapitalize(to)+"Set":void 0}static#createReverseName=(type,from)=>Relationship.#isFromOne(type)?reverseCapitalize(from):Relationship.#isFromMany(type)?reverseCapitalize(from)+"Set":void 0;static#validateModelParams(name){const model=Relationship.#validateModel(name);name="string"==typeof name?null:validateName("Field",name.name);if(null!==name&&model[relationship_$fields].has(name))throw new DuplicationError(`Field ${name} already exists in ${model.name}.`);return[model,name]}static#parseModelsAndNames(from,to,type){let fromModel,fromName,toModel,toName;return[fromModel,fromName]=Relationship.#validateModelParams(from),[toModel,toName]=Relationship.#validateModelParams(to),null===fromName&&(fromName=Relationship.#createName(type,toModel.name)),null===toName&&(toName=Relationship.#createReverseName(type,fromModel.name)),[fromModel,fromName,toModel,toName]}}class Serializer{#name;#attributes;#methods;constructor({name,attributes=[],methods={}}){this.#name=validateName("Serializer",name),this.#attributes=new Map,this.#methods=new Map,attributes.forEach(attributeName=>{var[attributeValue,attributeName]="string"==typeof attributeName?[attributeName,attributeName]:attributeName;this.#attributes.set(Serializer.#validateAttribute(attributeName,[...this.#attributes.keys()]),attributeValue)}),Object.entries(methods).forEach(([methodName,methodBody])=>{this.addMethod(methodName,methodBody)})}addMethod(methodName,method){method=Serializer.#validateFunction(methodName,method,[...this.#methods.keys()]);this.#methods.set(methodName,method)}serialize(object,options){const serialized={};return this.#attributes.forEach((value,attributeName)=>{value=this.#methods.has(value)?this.#methods.get(value)(object,options):object[value];void 0!==value&&(serialized[attributeName]=value)}),serialized}serializeArray(objects,options){return objects.map(object=>this.serialize(object,options))}get name(){return this.#name}static#validateAttribute(attributeName,restrictedNames){if("string"!=typeof attributeName)throw new TypeError(`Attribute ${attributeName} is not a string.`);if(restrictedNames.includes(attributeName))throw new DuplicationError(`Attribute ${attributeName} already exists.`);return attributeName}static#validateFunction(callbackName,callback,restrictedNames){if("function"!=typeof callback)throw new TypeError(`Method ${callbackName} is not a function.`);if(restrictedNames.includes(callbackName))throw new DuplicationError(`Method ${callbackName} already exists.`);return callback}}const{$addRelationshipAsField:schema_$addRelationshipAsField,$addRelationshipAsProperty:schema_$addRelationshipAsProperty,$handleExperimentalAPIMessage:schema_$handleExperimentalAPIMessage,$key:schema_$key,$keyType:schema_$keyType,$instances:schema_$instances}=symbols;class Schema extends external_events_default(){#name;#models;#serializers;static defaultConfig={experimentalAPIMessages:"warn"};static config={...Schema.defaultConfig};static#schemas=new Map;constructor({name,models=[],relationships=[],serializers=[],config={}}={}){super(),this.#name=validateName("Schema",name),this.#models=new Map,this.#serializers=new Map,Schema.#parseConfig(config),Schema.#schemas.set(this.#name,this),models.forEach(model=>this.createModel(model)),relationships.forEach(relationship=>this.createRelationship(relationship)),serializers.forEach(serializer=>this.createSerializer(serializer));const schemaData={models:Object.fromEntries([...this.#models.entries()]),serializers:Object.fromEntries([...this.#serializers.entries()])};models.forEach(model=>{const modelRecord=this.getModel(model.name),cachedProperties=model.cacheProperties||[];model.lazyProperties&&Object.entries(model.lazyProperties).forEach(([propertyName,propertyInitializer])=>{modelRecord.addProperty(propertyName,propertyInitializer(schemaData),cachedProperties.includes(propertyName))}),model.lazyMethods&&Object.entries(model.lazyMethods).forEach(([methodName,methodInitializer])=>{modelRecord.addMethod(methodName,methodInitializer(schemaData))})}),serializers.forEach(serializer=>{const serializerRecord=this.getSerializer(serializer.name);serializer.lazyMethods&&Object.entries(serializer.lazyMethods).forEach(([methodName,methodInitializer])=>{serializerRecord.addMethod(methodName,methodInitializer(schemaData))})})}createModel(modelData){this.emit("beforeCreateModel",{model:modelData,schema:this});const model=Schema.#parseModel(this.#name,modelData,this.#models);return this.#models.set(model.name,model),model.on("change",({type,...eventData})=>{this.emit("change",{type:"model"+capitalize(type),...eventData,schema:this})}),this.emit("modelCreated",{model:model,schema:this}),this.emit("change",{type:"modelCreated",model:model,schema:this}),model}getModel(name){return this.#models.get(name)}removeModel(name){var model=this.getModel(name);if(this.emit("beforeRemoveModel",{model:model,schema:this}),!this.#models.has(name))throw new ReferenceError(`Model ${name} does not exist in schema ${this.#name}.`);this.#models.delete(name),Model[schema_$instances].delete(name),this.emit("modelRemoved",{model:{name:name},schema:this}),this.emit("change",{type:"modelRemoved",model:model,schema:this})}createRelationship(relationship){this.emit("beforeCreateRelationship",{relationship:relationship,schema:this});relationship=Schema.#applyRelationship(this.#name,relationship,this.#models);return this.emit("relationshipCreated",{relationship:relationship,schema:this}),this.emit("change",{type:"relationshipCreated",relationship:relationship,schema:this}),relationship}createSerializer(serializer){this.emit("beforeCreateSerializer",{serializer:serializer,schema:this});serializer=Schema.#parseSerializer(this.#name,serializer,this.#serializers);return this.#serializers.set(serializer.name,serializer),this.emit("serializerCreated",{serializer:serializer,schema:this}),this.emit("change",{type:"serializerCreated",serializer:serializer,schema:this}),serializer}getSerializer(name){return this.#serializers.get(name)}get name(){return this.#name}get models(){return this.#models}static create(schemaData){return new Schema(schemaData)}static get(name){return Schema.#schemas.get(name)}get(pathName){this.emit("beforeGet",{pathName:pathName,schema:this});const[modelName,recordKey,...rest]=pathName.split("."),model=this.getModel(modelName);if(!model)throw new ReferenceError(`Model ${modelName} does not exist in schema ${this.#name}.`);if(void 0===recordKey)return model;var result=model[schema_$key][schema_$keyType],result=model.records.get("string"===result?recordKey:Number.parseInt(recordKey));if(!rest.length)return result;if(!result)throw new ReferenceError(`Record ${recordKey} does not exist in model ${modelName}.`);result=rest.reduce((acc,key)=>acc[key],result);return this.emit("got",{pathName:pathName,result:result,schema:this}),result}static[schema_$handleExperimentalAPIMessage](message){var experimentalAPIMessages=Schema.config["experimentalAPIMessages"];if("warn"===experimentalAPIMessages)console.warn(message);else if("error"===experimentalAPIMessages)throw new ExperimentalAPIUsageError(message)}static#parseModel(schemaName,modelData,models){return validateObjectWithUniqueName({objectType:"Model",parentType:"Schema",parentName:schemaName},modelData,[...models.keys()]),new Model(modelData)}static#applyRelationship(relationship,toModelName,models){const{from,to,type}=toModelName;[from,to].forEach(model=>{if(!["string","object"].includes(typeof model))throw new TypeError(`Invalid relationship model: ${model}.`)});var fromModelName="string"==typeof from?from:from.model,toModelName="string"==typeof to?to:to.model;const fromModel=models.get(fromModelName),toModel=models.get(toModelName);if(!fromModel)throw new ReferenceError(`Model ${fromModelName} not found in schema ${relationship} when attempting to create a relationship.`);if(!toModel)throw new ReferenceError(`Model ${toModelName} not found in schema ${relationship} when attempting to create a relationship.`);relationship=new Relationship({from:from,to:to,type:type});return fromModel[schema_$addRelationshipAsField](relationship),toModel[schema_$addRelationshipAsProperty](relationship),relationship}static#parseSerializer(schemaName,serializerData,serializers){return validateObjectWithUniqueName({objectType:"Serializer",parentType:"Schema",parentName:schemaName},serializerData,[...serializers.keys()]),new Serializer(serializerData)}static#parseConfig(config={}){config&&["experimentalAPIMessages"].forEach(key=>{void 0!==config[key]&&["warn","error","off"].includes(config[key])&&(Schema.config[key]=config[key])})}}const src=Schema;return __webpack_exports__})()});

package.json

 {
   "name": "@jsiqle/core",
-  "version": "1.3.3",
+  "version": "1.3.4",
   "description": "JavaScript In-memory Query Language with Events.",
@@ -5,0 +5,0 @@ "main": "./dist/main.js",

src/record/set.js

@@ -394,2 +394,53 @@ import { allEqualBy } from 'src/utils';
   /**
+   * Duplicates the current record set.
+   * @returns {RecordSet} A new record set with the same elements as the original.
+   */
+  duplicate() {
+    return new RecordSet({
+      iterable: [...this.entries()],
+      copyScopesFrom: this,
+    }).freeze();
+  }
+
+  /**
+   * Merges one or more record sets into the current record set.
+   * @param {...any} recordSets One or more record sets to merge.
+   * @returns {RecordSet} A new record set with the elements of the original
+   * record sets merged into it.
+   */
+  merge(...recordSets) {
+    const res = new Map([...this.entries()]);
+    for (const recordSet of recordSets) {
+      for (const [key, value] of recordSet.entries()) {
+        if (res.has(key))
+          throw new DuplicationError(
+            `Key ${key} already exists in the record set.`
+          );
+        res.set(key, value);
+      }
+    }
+    return new RecordSet({
+      iterable: [...res.entries()],
+      copyScopesFrom: this,
+    }).freeze();
+  }
+
+  /**
+   * Merges one or more records into the current record set.
+   * @param  {...any} records One or more records to merge.
+   * @returns {RecordSet} A new record set with the elements of the original
+   * record set and any given records merged into it.
+   */
+  append(...records) {
+    const res = new RecordSet({
+      iterable: [...this.entries()],
+      copyScopesFrom: this,
+    });
+    for (const record of records) {
+      res.set(record[$key], record);
+    }
+    return res.freeze();
+  }
+
+  /**
    * Creates a new record set with all elements that pass the test implemented
@@ -493,2 +544,17 @@ * by the provided function.
   /**
+   * Returns a new record set with the elements contained in a portion of the
+   * record set.
+   * @param {Number} start The index of the first element to include.
+   * @param {Number} end The index after the last element to include.
+   * @returns {RecordSet} A new record set with the elements contained in a
+   * portion of the record set.
+   */
+  slice(start, end) {
+    return new RecordSet({
+      iterable: [...this.entries()].slice(start, end),
+      copyScopesFrom: this,
+    }).freeze();
+  }
+
+  /**
    * Returns the first element in the record set.
@@ -495,0 +561,0 @@ */

test/record/set.test.js

@@ -370,2 +370,34 @@ import { Model } from 'src/model';
 
+  describe('duplicate', () => {
+    it('should duplicate the record set', () => {
+      const result = model.records.duplicate();
+      expect(result.count).toBe(4);
+      expect(result.first.id).toBe(0);
+      expect(result.last.id).toBe(3);
+      expect(result).not.toBe(model.records);
+    });
+  });
+
+  describe('merge', () => {
+    it('should merge the record sets', () => {
+      const r1 = model.records.limit(2);
+      const r2 = model.records.offset(2).limit(1);
+      const result = r1.merge(r2);
+      expect(result.count).toBe(3);
+      expect(result.first.id).toBe(0);
+      expect(result.last.id).toBe(2);
+    });
+  });
+
+  describe('append', () => {
+    it('should append the records', () => {
+      const r1 = model.records.limit(2);
+      const r = model.records.last;
+      const result = r1.append(r);
+      expect(result.count).toBe(3);
+      expect(result.first.id).toBe(0);
+      expect(result.last.id).toBe(3);
+    });
+  });
+
   describe('where', () => {
@@ -465,2 +497,37 @@ it('should filter over the records', () => {
 
+  describe('slice', () => {
+    it('should return the correct slice with only a start', () => {
+      expect(model.records.slice(2).flatPluck('name')).toEqual([
+        'John Smith',
+        'Jane Smith',
+      ]);
+      expect(model.records.slice(0).flatPluck('name')).toEqual([
+        'John Doe',
+        'Jane Doe',
+        'John Smith',
+        'Jane Smith',
+      ]);
+      expect(model.records.slice(4).flatPluck('name')).toEqual([]);
+      expect(model.records.slice(5).flatPluck('name')).toEqual([]);
+      expect(model.records.slice(-1).flatPluck('name')).toEqual(['Jane Smith']);
+    });
+
+    it('should return the correct slice with a start and end', () => {
+      expect(model.records.slice(2, 4).flatPluck('name')).toEqual([
+        'John Smith',
+        'Jane Smith',
+      ]);
+      expect(model.records.slice(0, 2).flatPluck('name')).toEqual([
+        'John Doe',
+        'Jane Doe',
+      ]);
+      expect(model.records.slice(4, 5).flatPluck('name')).toEqual([]);
+      expect(model.records.slice(5, 6).flatPluck('name')).toEqual([]);
+      expect(model.records.slice(-3, 3).flatPluck('name')).toEqual([
+        'Jane Doe',
+        'John Smith',
+      ]);
+    });
+  });
+
   describe('toArray', () => {
@@ -467,0 +534,0 @@ it('should return an array of the records', () => {

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