initial commit of v5

src/utils/file.ts

@@ -0,0 +1,41 @@
+import { slugify } from "./string";
+
+function getReadableTimestamp(now: Date) {
+	const y = now.getFullYear();
+	const m = String(now.getMonth() + 1).padStart(2, "0");
+	const d = String(now.getDate()).padStart(2, "0");
+	const h = String(now.getHours()).padStart(2, "0");
+	const min = String(now.getMinutes()).padStart(2, "0");
+
+	return `${y}${m}${d}_${h}${min}`;
+}
+
+export function generateFilename(prefix: string, extension?: string) {
+	const now = new Date();
+	const name = slugify(prefix);
+	const timestamp = getReadableTimestamp(now);
+
+	return `${name}_${timestamp}${extension ? `.${extension}` : ""}`;
+}
+
+export function downloadWithAnchor(blob: Blob, filename: string) {
+	const a = document.createElement("a");
+	const url = URL.createObjectURL(blob);
+
+	a.href = url;
+	a.rel = "noopener";
+	a.download = filename;
+
+	document.body.appendChild(a);
+	a.click();
+	document.body.removeChild(a);
+
+	setTimeout(() => URL.revokeObjectURL(url), 500);
+}
+
+export async function downloadFromUrl(url: string, filename: string) {
+	const response = await fetch(url);
+	const blob = await response.blob();
+
+	downloadWithAnchor(blob, filename);
+}