isUndefined (function)

Check if the values is undefined

code: value === undefined

Parameters:

• value (any)

returns: boolean

isNull (function)

Check if the values is null

code: value === null

Parameters:

• value (any)

returns: boolean

isNullOrUndefined (function)

Check if the values is null or undefined

code: value === undefined || value === null

Parameters:

• value (any)

returns: boolean

isValidString (function)

This function return true if the value is not null, not undefined and typeof is 'string', otherwise false

code: !isNullOrUndefined(value) && typeof value === 'string'

Parameters:

• value (any)

returns: boolean

isValidFunction (function)

This function return true if the value is not null, not undefined and typeof is 'function', otherwise false

code: !isNullOrUndefined(value) && typeof value === 'function'

Parameters:

• value (any)

returns: boolean

isNotEmptyString (function)

This function return true if the value is not null, not undefined, typeof is 'string' and different of '', otherwise false

code: isValidString(value) && value !== ''

Parameters:

• value (string)

returns: boolean

isDefinedString (function)

This function return true if the value is not null, not undefined, typeof is 'string' and different of '', otherwise false

code: isValidString(value) && value !== ''

Parameters:

• value (string)

returns: boolean

isProvidedString (function)

This function return true if the value is not null, not undefined, typeof is 'string' and different of '', otherwise false

code: isValidString(value) && value !== ''

Parameters:

• value (string)

returns: boolean

isFilledString (function)

This function return true if the value is not null, not undefined, typeof is 'string' and different of '', otherwise false

code: isValidString(value) && value !== ''

Parameters:

• value (string)

returns: boolean

isEmptyString (function)

This function return true if the value is not null, not undefined, and equal to '', otherwise false

code: isValidString(value) && value === ''

Parameters:

• value (string)

returns: boolean

isNumber (function)

This function return true if value's type is 'number', otherwise `false

code: typeof value === 'number'

Parameters:

• value (any)

returns: boolean

isNotNaNNumber (function)

This function return true if value is a number and is not a NaN

code: return isNumber(value) && !isNaN(value)

Parameters:

• value (number)

returns: boolean

isNaNNumber (function)

Parameters:

• value (number)

returns: boolean

isValidNumber (function)

Parameters:

• value (any)

returns: boolean

isFloat (function)

!isNaN(parseFloat(value as string))

Parameters:

• value (string | number)

returns: boolean

isPositiveFloat (function)

isFloat(value) && isFloatGreaterThan(value)

Parameters:

• value (any)

returns: boolean

isFloatGreaterThan (function)

isFloat(value) && isFloat(valueToCompare) && parseFloat(value) > valueToCompare

Parameters:

• value (string)
• valueToCompare (number)

returns: boolean

isFloatLessThan (function)

isFloat(value) && isFloat(valueToCompare) && parseFloat(value) < valueToCompare

Parameters:

• value (string)
• valueToCompare (number)

returns: boolean

isString (function)

typeof value === 'string'

Parameters:

• value (string)

returns: boolean

isArray (function)

!isNullOrUndefined(value) && Array.isArray(value)

Parameters:

• value (any[])

returns: boolean

isNoEmptyArray (function)

This function return true if the value is not null, not undefined, is an array and length is greater than zero, otherwise false

code: isArray(value) && value.length > 0

Parameters:

• value (any[])

returns: boolean

isFilledArray (function)

This function return true if the value is not null, not undefined, is an array and length is greater than zero, otherwise false

code: isArray(value) && value.length > 0

Parameters:

• value (any[])

returns: boolean

isObject (function)

!isNullOrUndefined(value) && typeof value === 'object'

Parameters:

• value (any)

returns: boolean

delay (function)

Default: milliseconds = 1000

new Promise<void>((resolve) => setTimeout(() => resolve(), milliseconds))

Parameters:

• milliseconds (number)

returns: Promise

closetValue (function)

!isNullOrUndefined(value) && typeof value === 'object'

Parameters:

• array (number[])
• goal (number)

returns: number

removeAllSubStr (function)

(isString(value) && isString(toRemove)) ? value.split(toRemove).join('') : value

Parameters:

• value (string)
• toRemove (string)

returns: string

isValidHttpUrl (function)

!isNullOrUndefined(new URL(value))

Parameters:

• value (string)

returns: boolean

urlFromBlob (function)

Parameters:

• blob (Blob)

returns: string

blobFromDataArray (function)

Parameters:

• dataArray (any[])

returns: Blob

blobFromBuffer (function)

Parameters:

• buffer (Buffer)

returns: Blob

blobFromString (function)

Parameters:

• stringBase64 (string)

returns: Promise

blobFromUrl (function)

Parameters:

• url (string)
• headers (HeadersInit)

returns: Promise

convertBlobToBase64 (function)

Parameters:

• blob (Blob)

returns: Promise

downloadBlobFile (function)

Parameters:

• blob (Blob)
• fileName (string)

returns: void

downloadByFileUrl (function)

Parameters:

• url (string)
• fileName (string)

returns: Promise

downloadByFileUrlAsHref (function)

Parameters:

• url (string)
• fileName (string)

returns: Promise

textToBlob (function)

Parameters:

• text (string)

returns: Blob

camelToSnakeCase (function)

str.replace(/[A-Z]/g, letter => `_${letter.toLowerCase()}`)

Parameters:

• str (string)

returns: string

snakeToCamelCase (function)

str.replace(/(\_\w)/g, (m) => m[1].toUpperCase())

Parameters:

• str (string)

returns: string

sentenceToCamelCase (function)

To camelCase

Parameters:

• str (string)

returns: string

replaceSpaces (function)

Replace withe spaces with the second parameter, by default will just remove it.

Input: replaceSpaces('AAA ee BB H h j') Output: 'AAAeeBBHhj'

Input: replaceSpaces('AAA ee BB H h j', '_') Output: 'AAA_ee_BB_H_h_j'

Parameters:

• str (string)
• newValue (string)

returns: string

replaceCharacters (function)

Replace any character, by default will just find space characters and remove it.

Input: replaceSpaces('AAA ee BB H h j') Output: 'AAAeeBBHhj'

Input: replaceSpaces('AAA ee BB H h j', ' ', '+') Output: 'AAA+ee+BB+H+h+j'

Parameters:

• str (string)
• character (string)
• newValue (string)

returns: string

sentenceToConstName (function)

Input: 'AAA ee BB H h j' Output: 'AAAEe_BB_HHJ'

Parameters:

• str (string)

returns: string

sentenceToSnakeCase (function)

Input: 'AAA ee BB H h j' Output: 'AAAEe_BB_HHJ'

Parameters:

• str (string)

returns: string

getFileNameExtension (function)

Parameters:

• str (string)

returns: string

toSentenceCase (function)

Parameters:

• str (string)

returns: string

emailIsValid (function)

Check if the string is a email

Parameters:

• email (string)

returns: boolean

isAlpha (function)

Check if the string is alphabetic.

You can allow any other character as second parameter, by default blank space is allowed.

By default don't allow empty

Parameters:

• str (string)
• allow (string)
• allowEmpty (boolean)

returns: boolean

isAlphaWithoutSpaces (function)

Check if the string is alphabetic without blank spaces.

By default don't allow empty

Parameters:

• str (string)
• allowEmpty (boolean)

returns: boolean

isAlphanumeric (function)

Check if the string is alphanumeric.

You can allow any other character as second parameter.

By default don't allow empty

Parameters:

• str (string)
• allow (string)
• allowEmpty (boolean)

returns: boolean

isNumeric (function)

Check if the string is numeric.

You can allow any other character as second parameter.

By default don't allow empty

Parameters:

• str (string)
• allow (string)
• allowEmpty (boolean)

returns: boolean

isAlphanumericSpaceAndDash (function)

Check if the string is alphanumeric and can have spaces and dash.

By default don't allow empty

Parameters:

• str (string)
• allowEmpty (boolean)

returns: boolean

isAlphanumericDotSpaceAndDash (function)

Check if the string is alphanumeric and can have dot, spaces and dash.

Parameters:

• str (string)

returns: boolean

IsEmptyOrAlphanumericDotSpaceAndDash (function)

Check if the string is alphanumeric and can have dot, spaces and dash or can be a empty string.

Parameters:

• str (string)

returns: boolean

hasANumber (function)

Check if the string has a number.

Parameters:

• str (string)

returns: boolean

hasALowercaseLetter (function)

Check if the string has a lowercase letter.

Parameters:

• str (string)

returns: boolean

hasAUppercaseLetter (function)

Check if the string has a uppercase letter.

Parameters:

• str (string)

returns: boolean

hasASpecialCharacter (function)

Check if the string has a special character like: -+_!@#$%^&*., ?

Parameters:

• str (string)

returns: boolean

isEven (function)

isValidNumber( value ) && value % 2 === 0

Parameters:

• value (any)

returns: boolean

isOdd (function)

isValidNumber(value) && !isEven(value)

Parameters:

• value (any)

returns: boolean