jsdatachecker.min.js 16.2 KB

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function ArrayUtils(){}function DataTypeConverter(){this._fields=[],this._numOfRows=0}function DataTypesUtils(){}function DataTypeHierarchy(){}ArrayUtils.TestAndSet=function(arr,key,object){return"undefined"==typeof arr?null:0==Array.isArray(arr)?null:("undefined"==typeof arr[key]&&(arr[key]=object),arr[key])},ArrayUtils.TestAndInitializeKey=function(obj,key,value){return"undefined"==typeof obj?null:("undefined"==typeof obj[key]&&(obj[key]=value),obj[key])},ArrayUtils.TestAndIncrement=function(arr,key){var exists=arr[key];return"undefined"==typeof exists&&(arr[key]=0),arr[key]++,arr},ArrayUtils.toFieldsArray=function(obj){var fields=[];return ArrayUtils.IteratorOverKeys(obj,function(field,key){field.key=key,fields.push(field)}),fields},ArrayUtils.IteratorOverKeys=function(arr,callback){for(var property in arr)if(arr.hasOwnProperty(property)){var item=arr[property];callback(item,property)}},ArrayUtils.FindMinMax=function(arr,fncompare){var max1=null,max2=null;for(var key in arr)null==max1||fncompare(arr[key],max1.value)?(max2=max1,max1={index:-1,key:key,value:arr[key]}):(null==max2||fncompare(arr[key],max2.value))&&(max2={index:-1,key:key,value:arr[key]});return{first:max1,second:max2}},ArrayUtils.isArray=function(arr){return Array.isArray(arr)?arr.length>0:!1},DataTypeConverter.TYPES={EMPTY:{value:0,name:"NULL"},TEXT:{value:1,name:"TEXT"},NUMBER:{value:2,name:"NUMBER"},OBJECT:{value:3,name:"OBJECT"},DATETIME:{value:4,name:"DATETIME"}},DataTypeConverter.SUBTYPES={GEOCOORDINATE:{value:1e3,name:"GEOCOORDINATE"},GEOJSON:{value:1001,name:"GEOJSON"},BOOL:{value:1002,name:"BOOL"},CONST:{value:1003,name:"CONST"},CATEGORY:{value:1004,name:"CATEGORY"},PERCENTAGE:{value:1100,name:"PERCENTAGE"},LATITUDE:{value:1101,name:"LATITUDE"},LONGITUDE:{value:1102,name:"LONGITUDE"}},DataTypeConverter.LANGS={EN:{value:1e3,name:"EN"},IT:{value:1001,name:"IT"},FR:{value:1100,name:"FR"},NL:{value:1101,name:"NL"}},DataTypeConverter.GEOJSONTYPES=["Point","MultiPoint","LineString","MultiLineString","Polygon","MultiPolygon","GeometryCollection","Feature","FeatureCollection"],DataTypeConverter.prototype=function(){var _analyseDataTypes=function(fields){ArrayUtils.IteratorOverKeys(fields,function(field){var max=ArrayUtils.FindMinMax(field._inferredTypes,function(curval,lastval){return curval>lastval}),tkey=max.first.key;tkey===DataTypeConverter.TYPES.EMPTY.name&&null!=max.second&&"undefined"!=typeof max.second&&(tkey=max.second.key),field.type=tkey,field.typeConfidence=field._inferredTypes[max.first.key]/field.numOfItems;var max=ArrayUtils.FindMinMax(field._inferredSubTypes,function(curval,lastval){return curval>lastval});if(field.subtype=null,null!=max&&null!=max.first){field.subtype=max.first.key,field.subtypeConfidence=field._inferredSubTypes[field.subtype]/field.numOfItems;var fieldName=field.name.toLowerCase(),isLatType=field.subtype===DataTypeConverter.SUBTYPES.LATITUDE.name,fieldNameContainsLat=fieldName.indexOf("lat")>=0,fieldNameContainsLon=fieldName.indexOf("ng")>=0;1==isLatType&&0==fieldNameContainsLat&&1==fieldNameContainsLon&&(field.subtype=DataTypeConverter.SUBTYPES.LONGITUDE.name)}})},_processInferType=function(value){if(null===value||"undefined"==typeof value)return DataTypeConverter.TYPES.EMPTY;if("object"==typeof value)return DataTypeConverter.TYPES.OBJECT;var isnumber=DataTypesUtils.FilterFloat(value);if(isNaN(isnumber)!==!0)return DataTypeConverter.TYPES.NUMBER;var _date=DataTypesUtils.FilterDateTime(value);return 0==isNaN(_date)&&null!=_date?DataTypeConverter.TYPES.DATETIME:DataTypeConverter.TYPES.TEXT},_processInferSubType=function(value){if(null===value||"undefined"==typeof value)return null;if(Array.isArray(value)&&2==value.length&&NaN!=DataTypesUtils.FilterFloat(value[0])&&NaN!=DataTypesUtils.FilterFloat(value[1])&&DataTypesUtils.DecimalPlaces(value[0])>4&&DataTypesUtils.DecimalPlaces(value[1])>4)return DataTypeConverter.SUBTYPES.GEOCOORDINATE;if("string"==typeof value){var split=value.split(",");if(DataTypesUtils.IsLatLng(split[0])&&DataTypesUtils.IsLatLng(split[1]))return DataTypeConverter.SUBTYPES.GEOCOORDINATE}var isnumber=DataTypesUtils.FilterFloat(value);if(isNaN(isnumber)!==!0)return isnumber>=-90&&90>=isnumber&&DataTypesUtils.DecimalPlaces(isnumber)>=5?DataTypeConverter.SUBTYPES.GEOCOORDINATE:isnumber>=-180&&180>=isnumber&&DataTypesUtils.DecimalPlaces(isnumber)>=5?DataTypeConverter.SUBTYPES.GEOCOORDINATE:null;if("object"==typeof value&&value.hasOwnProperty("type")){var geotype=value.type,isincluded=DataTypeConverter.GEOJSONTYPES.includes(geotype);if(isincluded)return DataTypeConverter.SUBTYPES.GEOJSON}return null},_filterBasedOnThreshold=function(metadata,threshold){return ArrayUtils.IteratorOverKeys(metadata.types,function(fieldType,key){if(!(fieldType.typeConfidence>=threshold)){var arrHierarchyTypes=DataTypeHierarchy.HIERARCHY[fieldType.type];if(null==arrHierarchyTypes)return metadata;var lastFieldType={lastType:arrHierarchyTypes[0],lastTypeCounter:fieldType._inferredTypes[arrHierarchyTypes[0]],typeConfidence:0};lastFieldType.typeConfidence=lastFieldType.lastTypeCounter/fieldType.numOfItems;for(var curType,i=1;i<arrHierarchyTypes.length,curType=arrHierarchyTypes[i];i++){var numItemsOfCurType=fieldType._inferredTypes.hasOwnProperty(curType)?fieldType._inferredTypes[curType]:0;if(lastFieldType.lastType=curType,lastFieldType.lastTypeCounter+=numItemsOfCurType,lastFieldType.typeConfidence=lastFieldType.lastTypeCounter/fieldType.numOfItems,lastFieldType.typeConfidence>=threshold){fieldType.type=lastFieldType.lastType,fieldType.typeConfidence=lastFieldType.typeConfidence;break}}}}),metadata},_capitalizeFirstLetter=function(string){return string.charAt(0).toUpperCase()+string.slice(1)},jsonTraverse=function(json,fieldKeys,callback){var stack=[],numOfRows=0;for(stack.push({item:json,fieldKeyIndex:0});stack.length>0;){var stackTask=stack.pop(),item=stackTask.item,fieldKeyIndex=stackTask.fieldKeyIndex,fieldKey=fieldKeys[fieldKeyIndex];if("*"!=fieldKey||0!=ArrayUtils.isArray(item))if("*"!=fieldKey||1!=ArrayUtils.isArray(item)){var jsonSubtree=item[fieldKey];if(Array.isArray(jsonSubtree))for(var j=0;j<jsonSubtree.length;j++){var jsonItem=jsonSubtree[j];stack.push({item:jsonItem,fieldKeyIndex:fieldKeyIndex+1})}else stack.push({item:jsonSubtree,fieldKeyIndex:fieldKeyIndex+1})}else for(var cell,j=0;j<item.length&&(cell=item[j]);j++)stack.push({item:cell,fieldKeyIndex:fieldKeyIndex}),numOfRows++;else{var sProcessedKeys=fieldKeys.slice(0,fieldKeyIndex).toString();ArrayUtils.IteratorOverKeys(item,function(value,key){var curKey=sProcessedKeys+(sProcessedKeys.length>0?",":"")+key,_value=callback(value,key,curKey,numOfRows);item[key]=_value}),numOfRows++}}};return{constructor:DataTypeConverter,cast:function(metadata,options){return"undefined"!=typeof options&&null!=options||(options={castThresholdConfidence:1,castIfNull:!1}),this.convert(metadata,options)},convert:function(metadata,options){var lastRowIndex=0,numOfRows=0,numOfValues=0,datasetErrors=0,datasetMissingValues=0;return"undefined"!=typeof options&&null!=options||(options={castThresholdConfidence:1,castIfNull:!1}),jsonTraverse(metadata.dataset,metadata.fieldKeys,function(value,key,traversedKeys,rowIndex){var inferredType=metadata.types[traversedKeys];numOfValues++,lastRowIndex!=rowIndex&&(lastRowIndex=rowIndex,numOfRows++),null==value||"undefined"==typeof value||0==(value+"").length;var isCast=inferredType.typeConfidence>=options.castThresholdConfidence;if(inferredType.type==DataTypeConverter.TYPES.NUMBER.name&&isCast){var number=parseFloat(value);return isNaN(number)?(datasetErrors++,value):number}return value}),metadata.qualityIndex.notNullValues=(numOfValues-datasetMissingValues)/numOfValues,metadata.qualityIndex.errors=(numOfValues-datasetErrors)/numOfValues,metadata},inferJsonDataType:function(json,fieldKeys,options){"undefined"!=typeof options&&null!=options||(options={}),0==options.hasOwnProperty("thresholdConfidence")&&(options.thresholdConfidence=1),0==options.hasOwnProperty("language")?options.language=DataTypeConverter.LANGS.EN.name:options.language=options.language.toUpperCase();var stack=[],fieldsType={},numOfRows=0;if("undefined"==typeof fieldKeys)throw"IllegalArgumentException: undefined json path to analyse.";for(stack.push({item:json,fieldKeyIndex:0});stack.length>0;){var stackTask=stack.pop(),item=stackTask.item,fieldKeyIndex=stackTask.fieldKeyIndex,fieldKey=fieldKeys[fieldKeyIndex];if("*"!=fieldKey||0!=ArrayUtils.isArray(item))if("*"==fieldKey&&ArrayUtils.isArray(item))for(var cell,j=0;j<item.length&&(cell=item[j]);j++)stack.push({item:cell,fieldKeyIndex:fieldKeyIndex}),numOfRows++;else{var jsonSubtree=item[fieldKey];if(Array.isArray(jsonSubtree))for(var j=0;j<jsonSubtree.length;j++){var jsonItem=jsonSubtree[j];stack.push({item:jsonItem,fieldKeyIndex:fieldKeyIndex+1})}else stack.push({item:jsonSubtree,fieldKeyIndex:fieldKeyIndex+1})}else{var sProcessedKeys=fieldKeys.slice(0,fieldKeyIndex).toString();ArrayUtils.IteratorOverKeys(item,function(item,key){var curKey=sProcessedKeys+(0==sProcessedKeys.length?"":",")+key,fieldType=ArrayUtils.TestAndInitializeKey(fieldsType,curKey,{name:curKey,_inferredTypes:[],_inferredSubTypes:[],_inferredValues:[],numOfItems:0});fieldType.numOfItems++;var inferredType=_processInferType(item);ArrayUtils.TestAndIncrement(fieldType._inferredTypes,inferredType.name),inferredType===DataTypeConverter.TYPES.TEXT&&ArrayUtils.TestAndIncrement(fieldType._inferredValues,item);var inferredSubType=_processInferSubType(item);null!=inferredSubType&&"undefined"!=typeof inferredSubType&&ArrayUtils.TestAndIncrement(fieldType._inferredSubTypes,inferredSubType.name)}),numOfRows++}}_analyseDataTypes(fieldsType);var quality={homogeneity:1,completeness:1,totalNullValues:0,totalValues:0};ArrayUtils.IteratorOverKeys(fieldsType,function(fieldType){quality.totalValues+=fieldType.numOfItems,quality.homogeneity*=fieldType.typeConfidence,fieldType.totalNullValues=0,fieldType._inferredTypes.hasOwnProperty(DataTypeConverter.TYPES.EMPTY.name)&&(fieldType.totalNullValues=fieldType._inferredTypes[DataTypeConverter.TYPES.EMPTY.name],quality.totalNullValues+=fieldType.totalNullValues)}),quality.homogeneity=Math.round(100*quality.homogeneity)/100;var totFullValues=quality.totalValues-quality.totalNullValues;quality.completeness=Math.round(totFullValues/quality.totalValues*100)/100;var warningsTextual="";ArrayUtils.IteratorOverKeys(fieldsType,function(fieldType){fieldType.errorsDescription="";var description="";if(fieldType.typeConfidence<1){var incorrect=fieldType.numOfItems-fieldType.totalNullValues-fieldType._inferredTypes[fieldType.type];if(incorrect>0){var _descr1=_capitalizeFirstLetter(JDC_LNG.key_declaretype[options.language])+".",_descr2=_capitalizeFirstLetter(JDC_LNG.key_notoftype_singular[options.language])+".";incorrect>1&&(_descr2=_capitalizeFirstLetter(JDC_LNG.key_notoftype_plural[options.language])+".");var descr=_descr1+" "+_descr2;descr=descr.replace(/%COL_NAME/g,fieldType.name),descr=descr.replace(/%COL_TYPE/g,fieldType.type),descr=descr.replace(/%COL_ERRORS/g,incorrect),description+=descr}}var descr="";1==fieldType.totalNullValues?descr=_capitalizeFirstLetter(JDC_LNG.key_emptyvalue_singolar[options.language])+".":fieldType.totalNullValues>1&&(descr=_capitalizeFirstLetter(JDC_LNG.key_emptyvalue_plural[options.language])+"."),descr=descr.replace(/%COL_NAME/g,fieldType.name),descr=descr.replace(/%COL_TYPE/g,fieldType.type),descr=descr.replace(/%COL_NULLVALUES/g,fieldType.totalNullValues),fieldType.errorsDescription=description,warningsTextual+=description});var metadata={dataset:json,fieldKeys:fieldKeys,types:fieldsType,qualityIndex:quality,warningsTextual:warningsTextual};return _filterBasedOnThreshold(metadata,options.thresholdConfidence),metadata},inferDataTypeOfValue:function(value){return _processInferType(value)},inferDataSubTypeOfValue:function(value){return _processInferSubType(value)}}}(),DataTypesUtils.FilterTime=function(value){var expTime=/^[0-9]{2}:[0-9]{2}(:[0-9]{2})?(\+[0-9]{2}:[0-9]{2})?$/;if(0==expTime.test(value))return null;var splitted=value.split(/[:|\+]/),expNumber=/^[0-9]{2}$/,HH=expNumber.test(splitted[0])?parseInt(splitted[0]):0,MM=expNumber.test(splitted[1])?parseInt(splitted[1]):0,SS=splitted.length>=3&&expNumber.test(splitted[2])?parseInt(splitted[2]):0,dt=new Date;return dt.setHours(HH),dt.setMinutes(MM),dt.setSeconds(SS),dt},DataTypesUtils.FilterDateTime=function(value){var _dtSplitted=value.split(/[T|\s]/);if(2==_dtSplitted.length){var dtTime=DataTypesUtils.FilterTime(_dtSplitted[1]);if(null==dtTime)return null;var dtDateTime=DataTypesUtils.FilterDate(_dtSplitted[0],dtTime);return dtDateTime}var dtDate=DataTypesUtils.FilterDate(value);if(null!=dtDate)return dtDate;var dtTime=DataTypesUtils.FilterTime(value);return dtTime},DataTypesUtils.FilterDate=function(value,dtDate){if(null==dtDate&&(dtDate=new Date),/^[0-9][0-9][0-9][0-9]\-[0-9][0-9]$/.test(value)){var year=parseInt(value.substring(0,4)),month=parseInt(value.substring(5));return dtDate.setYear(year),dtDate.setMonth(month),dtDate}var expDate=/^[0-9]{4}(\-|\/)[0-9]{2}((\-|\/)[0-9]{2})?$/;if(expDate.test(value)){var splitted=value.split(/[\-|\/]/),year=parseInt(splitted[0]),month=parseInt(splitted[1]),day=3==splitted.length?parseInt(splitted[2]):0;return dtDate.setYear(year),dtDate.setMonth(month),dtDate.setDate(day),dtDate}if(expDate=/^[0-9]{2}(\-|\/)[0-9]{2}(\-|\/)[0-9]{4}$/,expDate.test(value)){var splitted=value.split(/[\-|\/]/),year=parseInt(splitted[2]),month=parseInt(splitted[1]),day=parseInt(splitted[0]);return dtDate.setYear(year),dtDate.setMonth(month),dtDate.setDate(day),dtDate}return null},DataTypesUtils.FilterFloat=function(value){return/^(\-|\+)?((0|([1-9][0-9]*))(\.[0-9]+)?|Infinity)$/.test(value)?Number(value):NaN},DataTypesUtils.DecimalPlaces=function(num){var match=(""+num).match(/(?:\.(\d+))?(?:[eE]([+-]?\d+))?$/);return match?Math.max(0,(match[1]?match[1].length:0)-(match[2]?+match[2]:0)):0},DataTypesUtils.IsLatLng=function(num){return NaN==DataTypesUtils.FilterFloat(num)?!1:DataTypesUtils.DecimalPlaces(num)>4},DataTypeHierarchy.HIERARCHY=[],DataTypeHierarchy.HIERARCHY[DataTypeConverter.TYPES.TEXT.name]=[DataTypeConverter.TYPES.TEXT.name],DataTypeHierarchy.HIERARCHY[DataTypeConverter.TYPES.NUMBER.name]=[DataTypeConverter.TYPES.NUMBER.name,DataTypeConverter.TYPES.TEXT.name],DataTypeHierarchy.HIERARCHY[DataTypeConverter.TYPES.DATETIME.name]=[DataTypeConverter.TYPES.DATETIME.name,DataTypeConverter.TYPES.TEXT.name],DataTypeHierarchy.HIERARCHY[DataTypeConverter.SUBTYPES.GEOCOORDINATE.name]=[DataTypeConverter.SUBTYPES.GEOCOORDINATE.name,DataTypeConverter.TYPES.NUMBER.name,DataTypeConverter.TYPES.TEXT.name],DataTypeHierarchy.canConvert=function(fromType,toType){var arrConvertableTypes=DataTypeHierarchy.HIERARCHY[fromType],idx=arrConvertableTypes.indexOf(toType);return idx>=0};var JDC_LNG={key_declaretype:{EN:"the column <%COL_NAME> is of type <%COL_TYPE>",IT:"la colonna <%COL_NAME> è di tipo <%COL_TYPE>",FR:"le colum <%COL_NAME> est de type <%COL_TYPE>",NL:"de kolom <%COL_NAME> is van het type <%COL_TYPE>"},key_notoftype_singular:{EN:"a value is not <%COL_TYPE>",IT:"un valore non è un <%COL_TYPE>",FR:"une valeur est pas <%COL_TYPE> se trouvant",NL:"een waarde is niet <%COL_TYPE>"},key_notoftype_plural:{EN:"%COL_ERRORS values are not <%COL_TYPE>",IT:"%COL_ERRORS valori non sono di tipo <%COL_TYPE>",FR:"les valeurs %COL_ERRORS sont du type <%COL_TYPE>",NL:"%COL_ERRORS waarden niet <%COL_TYPE>"},key_emptyvalue_singolar:{EN:"the column <%COL_NAME> has an empty value",IT:"la colonna <%COL_NAME> ha un valore vuoto",FR:"la colonne <%COL_NAME> a une valeur vide",NL:"de kolom <%COL_NAME> heeft een lege waarde"},key_emptyvalue_plural:{EN:"the column <%COL_NAME> has <%COL_NULLVALUES> empty values",IT:"la colonna <%COL_NAME> ha <%COL_NULLVALUES> valori vuoti",FR:"la colonne <%COL_NAME> a <%COL_NULLVALUES> valeurs vide",NL:"de kolom <%COL_NAME> heeft <%COL_NULLVALUES> lege waarde"},key_type:{EN:"type",IT:"tipo",FR:"type",NL:"type"},key_subtype:{EN:"subtype",IT:"sottotipo",FR:"sous-type",NL:"subtype"},key_typetext:{EN:"text",IT:"testo",FR:"texte",NL:"tekst"},key_typenumber:{EN:"number",IT:"numero",FR:"nombre",NL:"aantal"},key_typeobject:{EN:"object",IT:"oggetto",FR:"objet",NL:"voorwerp"},key_typedatetime:{EN:"date or time",IT:"data o orario",FR:"date ou l'heure",NL:"datum of tijd"},key_typeempty:{EN:"empty",IT:"vuoto",FR:"vide",NL:"leeg"},key_typelatitude:{EN:"latitude",IT:"latitudine",FR:"latitude",NL:"breedtegraad"},key_typelongitude:{EN:"longitude",IT:"longitudine",FR:"longitude",NL:"lengtegraad"}};