I have created div elements which contains html of each PDF page. I try to generate PDF using jsPDF. The issue is that it puts all html pages on PDF file's first page.
I have tried this code
const list = [];
const pages = document.getElementsByName( this.pageName );
const pdf = new jsPDF("landscape", "px", [this.pageWidth, this.pageHeight]);
pages.forEach((el, i) => {
if (i > 0) {
pdf.addPage();
}
pdf.setPage(i + 1);
list.push(pdf.html(el));
});
Promise.all(list).then((res) => {
pdf.save("test.pdf");
}).catch(error => {
console.log('error ', error);
});
I have tried this code
const list = [];
const pages = document.getElementsByName( this.pageName );
const pdf = new jsPDF("landscape", "px", [this.pageWidth, this.pageHeight]);
pages.forEach((el, i) => {
if (i > 0) {
pdf.addPage();
}
list.push(pdf.html(el, {x: 0, y: (i * this.pageHeight)}));
});
Promise.all(list).then((res) => {
pdf.save("test.pdf");
}).catch(error => {
console.log('error ', error);
});
addPage works fine, it generates blank pages, but it still puts all html pages on PDF file's first page. So somehow pdf.setPage(i + 1); and {x: 0, y: (i * this.pageHeight)} solutions are not working.
Finally I was able to force jsPDF to put HTML contents on corresponding pages. Here is the solution.
...
const list = [];
const pages = document.getElementsByName( this.pageName );
const pdf = new jsPDF("landscape", "px", [this.pageWidth, this.pageHeight]);
this.setOnePage(pdf, 0, pages, list);
...
private setOnePage(pdf: jsPDF, i: number, pages: NodeListOf<HTMLElement>, list: Array<Promise<any>>): void {
if (i < pages.length) {
if (i > 0) {
pdf.addPage();
}
list.push(pdf.html(pages.item(i), {x: 0, y: (i * this.pageHeight)}).then((e) => {
this.setOnePage(pdf, ++i, pages, list);
}));
} else {
Promise.all(list).then((res) => {
pdf.save("test.pdf");
}).catch(error => {
console.log('error ', error);
});
}
}
Solution looks a bit complicated, so if someone knows better solution, you are welcome.