formatTypeForSignature() — supabase Function Reference

Source Code

apps/docs/features/docs/Reference.typeSpec.ts lines 1033–1066

function formatTypeForSignature(type: TypeDetails | undefined): string {
  if (!type) return 'any'

  switch (type.type) {
    case 'intrinsic':
      return type.name !== TYPESPEC_NODE_ANONYMOUS ? (type.name as string) : 'any'
    case 'literal':
      if ('value' in type) {
        return type.value === null ? 'null' : `"${type.value}"`
      }
      return type.name !== TYPESPEC_NODE_ANONYMOUS ? (type.name as string) : 'any'
    case 'nameOnly':
      return type.name !== TYPESPEC_NODE_ANONYMOUS ? (type.name as string) : 'any'
    case 'promise':
      return `Promise<${formatTypeForSignature(type.awaited)}>`
    case 'array':
      return `${formatTypeForSignature(type.elemType)}[]`
    case 'object':
      return type.name !== TYPESPEC_NODE_ANONYMOUS ? (type.name as string) : 'object'
    case 'function':
      return 'Function'
    case 'union':
      if (type.subTypes && type.subTypes.length > 0) {
        return type.subTypes.map((st) => formatTypeForSignature(st)).join(' | ')
      }
      return 'any'
    case 'record':
      return `Record<${formatTypeForSignature(type.keyType)}, ${formatTypeForSignature(type.valueType)}>`
    case 'index signature':
      return `{ [key: ${formatTypeForSignature(type.keyType)}]: ${formatTypeForSignature(type.valueType)} }`
    default:
      return 'any'
  }
}