feat(core): update session, security system and QR exchange
- Removed session creation and Lightning payment logic - Refactored security system: * no more restrictions * all systems enabled on session creation - Improved QR code exchange for mobile devices
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lockbitchat
353
node_modules/html5-qrcode/src/core.ts
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353
node_modules/html5-qrcode/src/core.ts
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/**
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* @fileoverview
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* Core libraries, interfaces, enums shared across {@class Html5Qrcode} & {@class Html5QrcodeScanner}
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*
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* @author mebjas <minhazav@gmail.com>
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*
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* The word "QR Code" is registered trademark of DENSO WAVE INCORPORATED
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* http://www.denso-wave.com/qrcode/faqpatent-e.html
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*/
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/**
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* Code formats supported by this library.
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*/
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export enum Html5QrcodeSupportedFormats {
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QR_CODE = 0,
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AZTEC,
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CODABAR,
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CODE_39,
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CODE_93,
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CODE_128,
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DATA_MATRIX,
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MAXICODE,
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ITF,
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EAN_13,
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EAN_8,
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PDF_417,
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RSS_14,
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RSS_EXPANDED,
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UPC_A,
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UPC_E,
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UPC_EAN_EXTENSION,
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}
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/** {@code Html5QrcodeSupportedFormats} to friendly name map. */
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const html5QrcodeSupportedFormatsTextMap
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: Map<Html5QrcodeSupportedFormats, string> = new Map(
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[
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[ Html5QrcodeSupportedFormats.QR_CODE, "QR_CODE" ],
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[ Html5QrcodeSupportedFormats.AZTEC, "AZTEC" ],
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[ Html5QrcodeSupportedFormats.CODABAR, "CODABAR" ],
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[ Html5QrcodeSupportedFormats.CODE_39, "CODE_39" ],
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[ Html5QrcodeSupportedFormats.CODE_93, "CODE_93" ],
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[ Html5QrcodeSupportedFormats.CODE_128, "CODE_128" ],
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[ Html5QrcodeSupportedFormats.DATA_MATRIX, "DATA_MATRIX" ],
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[ Html5QrcodeSupportedFormats.MAXICODE, "MAXICODE" ],
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[ Html5QrcodeSupportedFormats.ITF, "ITF" ],
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[ Html5QrcodeSupportedFormats.EAN_13, "EAN_13" ],
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[ Html5QrcodeSupportedFormats.EAN_8, "EAN_8" ],
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[ Html5QrcodeSupportedFormats.PDF_417, "PDF_417" ],
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[ Html5QrcodeSupportedFormats.RSS_14, "RSS_14" ],
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[ Html5QrcodeSupportedFormats.RSS_EXPANDED, "RSS_EXPANDED" ],
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[ Html5QrcodeSupportedFormats.UPC_A, "UPC_A" ],
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[ Html5QrcodeSupportedFormats.UPC_E, "UPC_E" ],
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[ Html5QrcodeSupportedFormats.UPC_EAN_EXTENSION, "UPC_EAN_EXTENSION" ]
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]
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);
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/**
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* Indicates the type of decoded text.
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*
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* Note: this is very experimental in nature at the moment.
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*/
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export enum DecodedTextType {
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UNKNOWN = 0,
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URL,
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}
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/** Returns true if the passed object instance is a valid format. */
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export function isValidHtml5QrcodeSupportedFormats(format: any): boolean {
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return Object.values(Html5QrcodeSupportedFormats).includes(format);
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}
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/**
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* Types of scans supported by the library
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*/
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export enum Html5QrcodeScanType {
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SCAN_TYPE_CAMERA = 0, // Camera based scanner.
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SCAN_TYPE_FILE = 1 // File based scanner.
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}
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/**
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* Constants used in QR code library.
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*/
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export class Html5QrcodeConstants {
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static GITHUB_PROJECT_URL: string
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= "https://github.com/mebjas/html5-qrcode";
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static SCAN_DEFAULT_FPS = 2;
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static DEFAULT_DISABLE_FLIP = false;
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static DEFAULT_REMEMBER_LAST_CAMERA_USED = true;
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static DEFAULT_SUPPORTED_SCAN_TYPE = [
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Html5QrcodeScanType.SCAN_TYPE_CAMERA,
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Html5QrcodeScanType.SCAN_TYPE_FILE];
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}
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/** Defines dimension for QR Code Scanner. */
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export interface QrDimensions {
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width: number;
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height: number;
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}
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/**
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* A function that takes in the width and height of the video stream
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* and returns QrDimensions.
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*
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* Viewfinder refers to the video showing camera stream.
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*/
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export type QrDimensionFunction =
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(viewfinderWidth: number, viewfinderHeight: number) => QrDimensions;
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/**
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* Defines bounds of detected QR code w.r.t the scan region.
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*/
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export interface QrBounds extends QrDimensions {
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x: number;
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y: number;
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}
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/** Format of detected code. */
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export class QrcodeResultFormat {
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public readonly format: Html5QrcodeSupportedFormats;
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public readonly formatName: string;
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private constructor(
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format: Html5QrcodeSupportedFormats,
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formatName: string) {
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this.format = format;
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this.formatName = formatName;
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}
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public toString(): string {
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return this.formatName;
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}
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public static create(format: Html5QrcodeSupportedFormats) {
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if (!html5QrcodeSupportedFormatsTextMap.has(format)) {
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throw `${format} not in html5QrcodeSupportedFormatsTextMap`;
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}
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return new QrcodeResultFormat(
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format, html5QrcodeSupportedFormatsTextMap.get(format)!);
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}
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}
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/** Data class for QR code result used for debugging. */
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export interface QrcodeResultDebugData {
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/** Name of the decoder that was used for decoding. */
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decoderName?: string;
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}
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/**
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* Detailed scan result.
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*/
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export interface QrcodeResult {
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/** Decoded text. */
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text: string;
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/** Format that was successfully scanned. */
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format?: QrcodeResultFormat,
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/**
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* The bounds of the decoded QR code or bar code in the whole stream of
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* image.
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*
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* Note: this is experimental, and not fully supported.
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*/
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bounds?: QrBounds;
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/**
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* If the decoded text from the QR code or bar code is of a known type like
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* url or upi id or email id.
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*
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* Note: this is experimental, and not fully supported.
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*/
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decodedTextType?: DecodedTextType;
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/** Data class for QR code result used for debugging. */
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debugData?: QrcodeResultDebugData;
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}
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/**
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* QrCode result object.
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*/
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export interface Html5QrcodeResult {
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decodedText: string;
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result: QrcodeResult;
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}
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/**
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* Static factory for creating {@interface Html5QrcodeResult} instance.
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*/
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export class Html5QrcodeResultFactory {
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static createFromText(decodedText: string): Html5QrcodeResult {
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let qrcodeResult = {
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text: decodedText
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};
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return {
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decodedText: decodedText,
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result: qrcodeResult
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};
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}
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static createFromQrcodeResult(qrcodeResult: QrcodeResult)
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: Html5QrcodeResult {
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return {
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decodedText: qrcodeResult.text,
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result: qrcodeResult
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};
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}
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}
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/**
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* Different kind of errors that can lead to scanning error.
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*/
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export enum Html5QrcodeErrorTypes {
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UNKWOWN_ERROR = 0,
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IMPLEMENTATION_ERROR = 1,
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NO_CODE_FOUND_ERROR = 2
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}
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/**
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* Interface for scan error response.
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*/
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export interface Html5QrcodeError {
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errorMessage: string;
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type: Html5QrcodeErrorTypes;
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}
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/**
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* Static factory for creating {@interface Html5QrcodeError} instance.
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*/
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export class Html5QrcodeErrorFactory {
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static createFrom(error: any): Html5QrcodeError {
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return {
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errorMessage: error,
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type: Html5QrcodeErrorTypes.UNKWOWN_ERROR
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};
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}
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}
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/**
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* Type for a callback for a successful code scan.
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*/
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export type QrcodeSuccessCallback
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= (decodedText: string, result: Html5QrcodeResult) => void;
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/**
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* Type for a callback for failure during code scan.
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*/
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export type QrcodeErrorCallback
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= (errorMessage: string, error: Html5QrcodeError) => void;
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/** Code decoder interface. */
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export interface QrcodeDecoderAsync {
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/**
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* Decodes content of the canvas to find a valid QR code or bar code.
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*
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* @param canvas a valid html5 canvas element.
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*/
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decodeAsync(canvas: HTMLCanvasElement): Promise<QrcodeResult>;
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}
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/**
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* Code robust decoder interface.
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*
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* <p> A robust decoder may sacrifice latency of scanning for scanning quality.
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* Ideal for file scan kind of operation.
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*/
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export interface RobustQrcodeDecoderAsync extends QrcodeDecoderAsync {
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/**
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* Decodes content of the canvas to find a valid QR code or bar code.
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*
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* <p>The method implementation will run the decoder more robustly at the
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* expense of latency.
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*
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* @param canvas a valid html5 canvas element.
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*/
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decodeRobustlyAsync(canvas: HTMLCanvasElement): Promise<QrcodeResult>;
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}
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/** Interface for logger. */
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export interface Logger {
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log(message: string): void;
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warn(message: string): void;
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logError(message: string, isExperimental?: boolean): void;
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logErrors(errors: Array<any>): void;
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}
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/**
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* Base logger implementation based on browser console.
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*
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* This can be replaced by a custom implementation of logger.
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*
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*/
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export class BaseLoggger implements Logger {
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private verbose: boolean;
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public constructor(verbose: boolean) {
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this.verbose = verbose;
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}
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public log(message: string): void {
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if (this.verbose) {
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// eslint-disable-next-line no-console
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console.log(message);
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}
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}
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public warn(message: string): void {
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if (this.verbose) {
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// eslint-disable-next-line no-console
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console.warn(message);
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}
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}
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public logError(message: string, isExperimental?: boolean)
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: void {
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if (this.verbose || isExperimental === true) {
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// eslint-disable-next-line no-console
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console.error(message);
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}
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}
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public logErrors(errors: Array<any>): void {
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if (errors.length === 0) {
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throw "Logger#logError called without arguments";
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}
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if (this.verbose) {
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// eslint-disable-next-line no-console
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console.error(errors);
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}
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}
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}
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//#region global functions
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/** Returns true if the {@param obj} is null or undefined. */
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export function isNullOrUndefined(obj?: any) {
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return (typeof obj === "undefined") || obj === null;
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}
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/** Clips the {@code value} between {@code minValue} and {@code maxValue}. */
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export function clip(value: number, minValue: number, maxValue: number) {
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if (value > maxValue) {
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return maxValue;
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}
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if (value < minValue) {
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return minValue;
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}
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return value;
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}
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//#endregion
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