BarcodeDetector TypeScript types

BarcodeDetector.d.ts

/*
  Spec: https://wicg.github.io/shape-detection-api/#barcode-detection-api
*/

interface BarcodeDetector {
	detect(image: ImageBitmapSource): Promise<DetectedBarcode[]>;
}

type BarcodeFormat =
	| "aztec"
	| "code_128"
	| "code_39"
	| "code_93"
	| "codabar"
	| "data_matrix"
	| "ean_13"
	| "ean_8"
	| "itf"
	| "pdf417"
	| "qr_code"
	| "unknown"
	| "upc_a"
	| "upc_e";

interface BarcodeDetectorOptions {
	formats: BarcodeFormat[];
}

interface Point2D {
	x: number;
	y: number;
}

interface DetectedBarcode {
	readonly boundingBox: DOMRectReadOnly;
	rawValue: string;
	format: BarcodeFormat;
	cornerPoints: Point2D[];
}

interface BarcodeDetectorConstructor {
	/**
	 * A reference to the prototype.
	 */
	readonly prototype: BarcodeDetector;

	/**
	 * Creates a new BarcodeDetector.
	 */
	new (barcodeDetectorOptions?: BarcodeDetectorOptions): BarcodeDetector;

	static getSupportedFormats(): Promise<BarcodeFormat[]>;
}

declare var BarcodeDetector: BarcodeDetectorConstructor;