changes

app/utils/exportPdf.js

@@ -0,0 +1,35 @@
+import dayjs from "dayjs";
+import html2pdf from "html2pdf.js";
+
+export default async function exportPdf(docid, { filename = "file", format = "a4", orientation = "portrait" } = {}) {
+  const target = document.getElementById(docid);
+
+  const ignored = target.querySelectorAll(".ignore");
+  ignored.forEach((el) => el.style.setProperty("display", "none", "important"));
+  // Xóa cache ảnh để lần export sau không bị lỗi
+  target.querySelectorAll("img").forEach((img) => (img.src = `${img.src}`));
+  const restoreIcons = swapIconsForExport(target);
+
+  const opt = {
+    margin: 3,
+    filename: `${filename}-${dayjs().format("YYYYMMDDHHmmss")}.pdf`,
+    jsPDF: { format, orientation, unit: "mm" },
+    html2canvas: { scale: 3, useCORS: true },
+    image: { type: "jpeg", quality: 1 },
+    pagebreak: {
+      mode: ["avoid-all", "css", "legacy"],
+      before: ".page-break-before",
+      after: ".page-break-after",
+      avoid: ".avoid-page-break",
+    },
+  };
+
+  try {
+    await new Promise((r) => requestAnimationFrame(r));
+    await html2pdf().set(opt).from(target).save();
+  } finally {
+    restoreIcons();
+    ignored.forEach((el) => el.style.removeProperty("display"));
+  }
+  return opt.filename;
+}