Add and Improve type guards for is methods

[bigmontz]

The following methods were update to include type-guards and improve the generics over when using the type-guards:

• isNode
• isRelationship
• isUnboundRelationship
• isPath
• isPathSegment
• isPoint
• isDuration
• isLocalTime
• isTime
• isDate
• isLocalDateTime
• isDateTime

Usage example without generics:

function handleDuration(duration: unknown) {
   if (isDuration(duration)) {
      // from this point i can access the duration properties
      // and methods without issue
      const months: Integer = duration.months
   } else {
      // this is not a duration object
      // @ts-expect-error
      const months = duration.months
   }
}

Usage example with generics:

function handleDuration(duration: unknown) {
   if (isDuration<number>(duration)) {
      // from this point i can access the duration properties
      // and methods without issue
      const months: number = duration.months
      // @ts-expect-error
      const intMonths: Integer = duration.months
   } else {
      // this is not a duration object
      // @ts-expect-error
      const months = duration.months
   }
}

⚠️ Generic types miss-match in runtime will not trigger errors.

[robsdedude]

🔎