isCustomRecordId • tldraw Docs

Type guard to check if a string is a valid ID for a specific custom record type.

function isCustomRecordId(typeName: string, id?: string): boolean

const id = 'comment:abc123'
if (isCustomRecordId('comment', id)) {
  // id is now typed as a comment record ID
  const comment = store.get(id)
}

Name	Description
`typeName`	`string` The type name to check against
`id`	`string` The string to check

boolean

True if the string is a valid ID for the specified record type