import html2Canvas from 'html2canvas';
import JsPDF from 'jspdf';
export default {
install(Vue, options) {
Vue.prototype.getPdf = function(elementId, pdfName) {
const title = this.htmlTitle || pdfName;
return new Promise((res, rej) => {
html2Canvas(document.querySelector(elementId), {
allowTaint: true
}).then((canvas) => {
const contentWidth = canvas.width;
const contentHeight = canvas.height;
const pageHeight = (contentWidth / 592.28) * 841.89;
let leftHeight = contentHeight;
let position = 0;
const imgWidth = 575.28;
const imgHeight = (592.28 / contentWidth) * contentHeight;
const pageData = canvas.toDataURL('image/jpeg', 1.0);
const PDF = new JsPDF('', 'pt', 'a4');
if (leftHeight < pageHeight) {
PDF.addImage(pageData, 'JPEG', 10, 25, imgWidth, imgHeight);
} else {
while (leftHeight > 0) {
PDF.addImage(pageData, 'JPEG', 10, position, imgWidth, imgHeight);
leftHeight -= pageHeight;
position -= 841.89;
if (leftHeight > 0) {
PDF.addPage();
}
}
}
PDF.save(title + '.pdf');
res(true);
});
});
};
}
};
console