ClvTsUtils

Angular application utilities.

Summary

ClvTsUtilsCommonsJs

• enumarableFromListEqual
• getObjectByFieldValue
• objectSumField
• getObjectOffsetInArrayByField
• getObjectOffsetInArray
• jsType
• copy
• cleanSpace
• isUndefinedOrNull
• stringIsUndefinedOrNull
• thousandSeparator
• roundDecimalNumber
• strXCharsFromBackAt
• deleteFromArray
• csvToJson

ClvStringsUtils

• insertAboveAnchor
• insertBelowAnchor

ClvFilesUtils

• fileToString
• serializeFile
• buildDownloadFileUrl
• csvToJson
• xlsxToJson

ClvTsUtilsCommonsJs

enumarableFromListEqual

static enumarableFromListEqual(list: any[], column: string, value: any): any[]

Returns a sublist of elements based on the value of a field.

getObjectByFieldValue

static getObjectByFieldValue(obj: any[], fieldname: string, fieldvalue: any): any

Returns an object by the value of one of its fields

objectSumField

static objectSumField(objs: any[], fieldName: string): number

Sum the values of a field in a list of objects

getObjectOffsetInArrayByField

static getObjectOffsetInArrayByField(arr: any[], obj: any, fieldName: string): number

Returns the offset of an object in a list by comparing the value of one of its fields

getObjectOffsetInArray

static getObjectOffsetInArray(arr: any[], obj: any): number

Retrieves the offset of the first occurrence of an element in an array or returns -1 if no result matches.

jsType

static jsType(obj: any): string

Determine the exact type of a variable

copy

static copy<O>(obj: O): O

Duplicates a variable

cleanSpace

static cleanSpace(value: string): string

Deletes the spaces of a string

isUndefinedOrNull

static isUndefinedOrNull(value: any): boolean

Check that an object is not defined

stringIsUndefinedOrNull

static stringIsUndefinedOrNull(value: string): boolean

Check that a string is undefined

thousandSeparator

static thousandSeparator(value: string | number, decimalPre: number = 2,  mode: ThousandSeparatorMode = ThousandSeparatorMode.DEFAULT): string

Formats a number by thousands separators. Mode can be DEFAULT, DECIMAL_MANDATORY or DECIMAL_OPTIONAL

roundDecimalNumber

static roundDecimalNumber(value: number, decimalPre: number = 1)

Rounds a number

strXCharsFromBackAt

static strXCharsFromBackAt(value: string, charLength: number, position: number)

retrieves x characters from the end of a string

deleteFromArray

static deleteFromArray (array: any[], item: any)

Deletes an item or list of items from a array

Convert from csv to json format

ClvStringsUtils

insertAboveAnchor

static insertAboveAnchor(str: string, toAdd: string, anchor: string): string

Insert a string inside another over an anchor

insertBelowAnchor

static insertBelowAnchor(str: string, toAdd: string, anchor: string): string

Insert a string inside another below an anchor

ClvFilesUtils

fileToString

static fileToString(file: File): Observable<string|ArrayBuffer>

Convert a file to a string

serializeFile

static serializeFile(file: File): Observable<ClvFileModel>

Serialize a file for better use

buildDownloadFileUrl

static buildDownloadFileUrl(sanitizer: DomSanitizer, file: ClvFileModel): SafeResourceUrl

build the URL of a file to download it. In ts

const fileUrl = buildDownloadFileUrl(sanitizer, file);

In Html

<a [href]="fileUrl"  download="file.name">DownloadFile</a>

csvToJson

static csvToJson(csv: string) Convert from csv to json format

xlsxToJson

xlsxToJson(fileContent: string) Convert the contents of an excel file to json format.