autosize tag entry

ext/view/script.js

@@ -6,10 +6,19 @@ function joinUrlSegments(base, query) {
     return base + separatorChar + query;
 }
 
+function autosize(el) {
+	setTimeout(function() {
+		el.style.cssText = 'height:' + el.scrollHeight + 'px';
+	}, 0);
+}
+
 function clearViewMode() {
 	document.querySelectorAll('.image_info').forEach((element) => {
 		element.classList.remove('infomode-view');
 	});
+	document.querySelectorAll('.image_info textarea').forEach((el) => {
+		autosize(el);
+	});
 }
 
 function updateAttr(selector, attr, value) {
@@ -28,6 +37,11 @@ document.addEventListener('DOMContentLoaded', () => {
 		element.classList.add('infomode-view');
 	});
 
+	document.querySelectorAll('.image_info textarea').forEach((el) => {
+		el.addEventListener('keydown', () => autosize(el));
+		autosize(el);
+	});
+
 	if(document.location.hash.length > 3) {
 		var query = document.location.hash.substring(1);