this.canvasWrapper = document.getElementById("canvas-wrapper");
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        //pdfjsLib.getDocument('http://localhost:35083/api/document/getpdfdocument').then((pdf) => {
        let pdfPromise = pdfjsLib.getDocument({ data: pdfData }).then((pdf) => {

            //Set PDFJS global object (so we can easily access in our page functions
            this.pdf = pdf;

            //How many pages it has
            this.totalPages = pdf.numPages;
            //Start with first page
            pdf.getPage(1).then((page) => { this.handlePages(page); });
        });