Add barcode-detector-api-polyfill dependency and update environment variable declarations in SvelteKit project

node_modules/@zxing/library/es2015/browser/BrowserQRCodeSvgWriter.d.ts

@@ -0,0 +1,46 @@
+import EncodeHintType from '../core/EncodeHintType';
+/**
+ * @deprecated Moving to @zxing/browser
+ */
+declare class BrowserQRCodeSvgWriter {
+    private static readonly QUIET_ZONE_SIZE;
+    /**
+     * SVG markup NameSpace
+     */
+    private static readonly SVG_NS;
+    /**
+     * Writes and renders a QRCode SVG element.
+     *
+     * @param contents
+     * @param width
+     * @param height
+     * @param hints
+     */
+    write(contents: string, width: number, height: number, hints?: Map<EncodeHintType, any>): SVGSVGElement;
+    /**
+     * Renders the result and then appends it to the DOM.
+     */
+    writeToDom(containerElement: string | HTMLElement, contents: string, width: number, height: number, hints?: Map<EncodeHintType, any>): void;
+    /**
+     * Note that the input matrix uses 0 == white, 1 == black.
+     * The output matrix uses 0 == black, 255 == white (i.e. an 8 bit greyscale bitmap).
+     */
+    private renderResult;
+    /**
+     * Creates a SVG element.
+     *
+     * @param w SVG's width attribute
+     * @param h SVG's height attribute
+     */
+    private createSVGElement;
+    /**
+     * Creates a SVG rect element.
+     *
+     * @param x Element's x coordinate
+     * @param y Element's y coordinate
+     * @param w Element's width attribute
+     * @param h Element's height attribute
+     */
+    private createSvgRectElement;
+}
+export { BrowserQRCodeSvgWriter };