Function parseOptionalBooleanInput

apps/sim/blocks/utils.ts:516–547

(value: unknown)

 * Returns `undefined` for empty or unrecognized values.
 */
export function parseOptionalBooleanInput(value: unknown): boolean | undefined {
  if (value === undefined || value === null || value === '') {
    return undefined
  }

  if (typeof value === 'boolean') {
    return value
  }

  if (typeof value === 'number') {
    return value !== 0
  }

  if (typeof value !== 'string') {
    return undefined
  }

  const normalized = value.trim().toLowerCase()
  if (normalized.length === 0) {
    return undefined
  }

  if (normalized === 'true' || normalized === '1') {
    return true
  }

  if (normalized === 'false' || normalized === '0') {
    return false
  }

  return undefined
}

const DEFAULT_MULTIPLE_FILES_ERROR =
  'File reference must be a single file, not an array. Use <block.files[0]> to select one file.'