zxing-wasm
Version:
ZXing-C++ WebAssembly as an ES/CJS module with types
160 lines (159 loc) • 5.22 kB
TypeScript
import type { BarcodeSymbology, ReadOutputBarcodeFormat } from "./barcodeFormat.js";
import type { BarcodeSymbol } from "./barcodeSymbol.js";
import { type ContentType } from "./contentType.js";
import type { EcLevel } from "./ecLevel.js";
import type { Position, ZXingPosition } from "./position.js";
/**
* @internal
*/
export interface ZXingReadResult {
/**
* Whether the barcode is valid.
*/
isValid: boolean;
/**
* Error message (if any).
*
* @see {@link ReaderOptions.returnErrors | `ReaderOptions.returnErrors`}
*/
error: string;
/**
* @internal
*/
format: string;
/**
* @internal
*/
symbology: string;
/**
* Raw / Standard content without any modifications like character set conversions.
*/
bytes: Uint8Array;
/**
* Raw / Standard content following the ECI protocol.
*/
bytesECI: Uint8Array;
/**
* The {@link ReadResult.bytes | `ReadResult.bytes`} content rendered to unicode / utf8 text
* according to specified {@link ReaderOptions.textMode | `ReaderOptions.textMode`}.
*/
text: string;
/**
* @internal
*/
contentType: number;
/**
* Whether or not an ECI tag was found.
*/
hasECI: boolean;
/**
* @internal
*/
position: ZXingPosition;
/**
* Orientation of the barcode in degree.
*/
orientation: number;
/**
* Whether the symbol is mirrored (currently only supported by QRCode and DataMatrix).
*/
isMirrored: boolean;
/**
* Whether the symbol is inverted / has reversed reflectance.
*
* @see {@link ReaderOptions.tryInvert | `ReaderOptions.tryInvert`}
*/
isInverted: boolean;
/**
* Symbology identifier `"]cm"` where `"c"` is the symbology code character, `"m"` the modifier.
*/
symbologyIdentifier: string;
/**
* Number of symbols in a structured append sequence.
*
* If this is not part of a structured append sequence, the returned value is `-1`.
* If it is a structured append symbol but the total number of symbols is unknown, the
* returned value is `0` (see PDF417 if optional "Segment Count" not given).
*/
sequenceSize: number;
/**
* The `0`-based index of this symbol in a structured append sequence.
*/
sequenceIndex: number;
/**
* ID to check if a set of symbols belongs to the same structured append sequence.
*
* If the symbology does not support this feature, the returned value is empty (see MaxiCode).
* For QR Code, this is the parity integer converted to a string.
* For PDF417 and DataMatrix, this is the `"fileId"`.
*/
sequenceId: string;
/**
* Number of lines that have been detected with this code (applies only to linear symbologies).
*/
lineCount: number;
/**
* Barcode symbol in the shape of a one-channel image.
*
* @experimental The final form of this property is not yet settled and may change without a major version bump.
*/
symbol: BarcodeSymbol;
/**
* A stringified JSON object containing additional information about the barcode.
*
* @experimental The final form of this property is not yet settled and may change without a major version bump.
*/
extra: string;
/**
* QRCode / DataMatrix / Aztec version or size.
*
* @deprecated Parse the result from {@link ReadResult.extra | `ReadResult.extra`} instead.
*/
version: string;
/**
* Set if this is the reader initialisation / programming symbol.
*
* @deprecated Parse the result from {@link ReadResult.extra | `ReadResult.extra`} instead.
*/
readerInit: boolean;
/**
* Error correction level of the symbol (empty string if not applicable).
*
* @deprecated Parse the result from {@link ReadResult.extra | `ReadResult.extra`} instead.
*/
ecLevel: EcLevel;
}
/**
* Result of reading a barcode.
*/
export interface ReadResult extends Omit<ZXingReadResult, "format" | "symbology" | "contentType" | "position"> {
/**
* Canonical format name of the barcode.
*
* Values are constrained by {@link ReadOutputBarcodeFormat | `ReadOutputBarcodeFormat`}
* (plus `"None"` for empty/invalid results) and come from the C++ wrapper in canonical enum-name form
* (not alias or HRI label form).
*/
format: ReadOutputBarcodeFormat;
/**
* Symbology group / base barcode family of {@link ReadResult.format | `ReadResult.format`}.
*
* Example: `EAN13` -> `EANUPC`, `MicroQRCode` -> `QRCode`, `Code39Ext` -> `Code39`.
*/
symbology: BarcodeSymbology;
/**
* A hint to the type of the content found.
*/
contentType: ContentType;
/**
* Position of the detected barcode.
*/
position: Position;
}
/**
* Converts a ZXing read result to a standardized read result format.
*
* @param zxingReadResult - The raw result from ZXing barcode reader
* @returns A normalized read result with decoded format and content type
*/
export declare function zxingReadResultToReadResult(zxingReadResult: ZXingReadResult): ReadResult;