export type PermissionError = 'permission/microphone-permission-denied' | 'permission/camera-permission-denied'; export type ParameterError = | 'parameter/invalid-parameter' | 'parameter/unsupported-os' | 'parameter/unsupported-output' | 'parameter/unsupported-input' | 'parameter/invalid-combination'; export type DeviceError = | 'device/configuration-error' | 'device/no-device' | 'device/invalid-device' | 'device/torch-unavailable' | 'device/microphone-unavailable' | 'device/low-light-boost-not-supported' | 'device/focus-not-supported' | 'device/camera-not-available-on-simulator'; export type FormatError = | 'format/invalid-fps' | 'format/invalid-hdr' | 'format/invalid-low-light-boost' | 'format/invalid-format' | 'format/invalid-preset'; export type SessionError = 'session/camera-not-ready' | 'session/audio-session-setup-failed'; export type CaptureError = | 'capture/invalid-photo-format' | 'capture/encoder-error' | 'capture/muxer-error' | 'capture/recording-in-progress' | 'capture/no-recording-in-progress' | 'capture/file-io-error' | 'capture/create-temp-file-error' | 'capture/invalid-photo-codec' | 'capture/not-bound-error' | 'capture/capture-type-not-supported' | 'capture/unknown'; export type SystemError = 'system/no-camera-manager'; export type UnknownError = 'unknown/unknown'; export interface ErrorWithCause { /** * The native error's code. * * * iOS: `NSError.code` * * Android: N/A */ code?: number; /** * The native error's domain. * * * iOS: `NSError.domain` * * Android: N/A */ domain?: string; /** * The native error description (Localized on iOS) * * * iOS: `NSError.message` * * Android: `Throwable.message` */ message: string; /** * Optional additional details * * * iOS: `NSError.userInfo` * * Android: N/A */ details?: Record; /** * Optional stacktrace * * * iOS: N/A * * Android: `Throwable.stacktrace.toString()` */ stacktrace?: string; /** * Optional additional cause for nested errors * * * iOS: N/A * * Android: `Throwable.cause` */ cause?: ErrorWithCause; } type CameraErrorCode = PermissionError | ParameterError | DeviceError | FormatError | SessionError | CaptureError | SystemError | UnknownError; /** * Represents any kind of error that occured in the Camera View Module. */ class CameraError extends Error { private readonly _code: TCode; private readonly _message: string; private readonly _cause?: ErrorWithCause; public get code(): TCode { return this._code; } public get message(): string { return this._message; } public get cause(): ErrorWithCause | undefined { return this._cause; } constructor(code: TCode, message: string, cause?: ErrorWithCause) { super(`[${code}]: ${message}${cause ? ` (Cause: ${cause.message})` : ''}`); this._code = code; this._message = message; this._cause = cause; } } /** * Represents any kind of error that occured while trying to capture a video or photo. */ export class CameraCaptureError extends CameraError {} /** * Represents any kind of error that occured in the Camera View Module. */ export class CameraRuntimeError extends CameraError< PermissionError | ParameterError | DeviceError | FormatError | SessionError | SystemError | UnknownError > {} export const isErrorWithCause = (error: unknown): error is ErrorWithCause => typeof error === 'object' && error != null && // @ts-expect-error error is still unknown typeof error.message === 'string' && // @ts-expect-error error is still unknown (typeof error.stacktrace === 'string' || error.stacktrace == null) && // @ts-expect-error error is still unknown (isErrorWithCause(error.cause) || error.cause == null); const isCameraErrorJson = (error: unknown): error is { code: string; message: string; cause?: ErrorWithCause } => typeof error === 'object' && error != null && // @ts-expect-error error is still unknown typeof error.code === 'string' && // @ts-expect-error error is still unknown typeof error.message === 'string' && // @ts-expect-error error is still unknown (typeof error.cause === 'object' || error.cause == null); /** * Tries to parse an error coming from native to a typed JS camera error. * @param nativeError The native error instance. This is a JSON in the legacy native module architecture. * @returns A `CameraRuntimeError` or `CameraCaptureError`, or the nativeError if it's not parsable */ export const tryParseNativeCameraError = (nativeError: T): (CameraRuntimeError | CameraCaptureError) | T => { if (isCameraErrorJson(nativeError)) { if (nativeError.code.startsWith('capture')) { return new CameraCaptureError(nativeError.code as CaptureError, nativeError.message, nativeError.cause); } else { return new CameraRuntimeError( // @ts-expect-error the code is string, we narrow it down to TS union. nativeError.code, nativeError.message, nativeError.cause, ); } } else { return nativeError; } };