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