Skip to main content

@rtorcato/js-common / validation

validation

Functions​

isDefined()​

isDefined<T>(value): value is T

Defined in: validation/index.ts:6

Checks if a value is defined (not null or undefined).

Type Parameters​

T​

T

Parameters​

value​

T | null | undefined

The value to check.

Returns​

value is T

isString()​

isString(value): value is string

Defined in: validation/index.ts:16

Check if a value is a string.

Parameters​

value​

unknown

The value to check.

Returns​

value is string

true if the value is a string, false otherwise.

isNumber()​

isNumber(value): value is number

Defined in: validation/index.ts:26

Checks if a value is a number (and not NaN).

Parameters​

value​

unknown

The value to check.

Returns​

value is number

isBoolean()​

isBoolean(value): value is boolean

Defined in: validation/index.ts:36

Checks if a value is a boolean.

Parameters​

value​

unknown

The value to check.

Returns​

value is boolean

isArray()​

isArray(value): value is unknown[]

Defined in: validation/index.ts:46

Checks if a value is an array.

Parameters​

value​

unknown

The value to check.

Returns​

value is unknown[]

isObject()​

isObject(value): value is object

Defined in: validation/index.ts:56

Checks if a value is an object (but not null or array).

Parameters​

value​

unknown

The value to check.

Returns​

value is object

isEmail()​

isEmail(str): boolean

Defined in: validation/index.ts:65

Checks if a string is a valid email address (simple regex).

Parameters​

str​

string

The string to check.

Returns​

boolean

isUrl()​

isUrl(str): boolean

Defined in: validation/index.ts:74

Checks if a string is a valid URL.

Parameters​

str​

string

The string to check.

Returns​

boolean