isTime

The isTime() function checks that a string matches the TheTime format (time<timestamp><"-" | "+">). It acts as a type guard.

Interactive example

Syntax

function isTime(input: string): input is TheTime

Parameters

• input: String to validate.

Return value

true if the string follows the TheTime format, otherwise false. When true, TypeScript narrows input to TheTime.

See also

• createTime - Builds a TheTime from native values
• is - Checks the TheDate format