From c3da10bef6369c57d559b20f81b01be8568688b0 Mon Sep 17 00:00:00 2001
From: Cory McWilliams <cory@unprompted.com>
Date: Wed, 18 Oct 2023 17:51:26 +0000
Subject: [PATCH] Saving non-UTF8 sort of works.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4535 ed5197a5-7fde-0310-b194-c3ffbd925b24
---
 core/client.js | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/core/client.js b/core/client.js
index 602bd3b7..405790ea 100644
--- a/core/client.js
+++ b/core/client.js
@@ -185,15 +185,13 @@ class TfFilesElement extends LitElement {
 		event.stopPropagation();
 		this.dropping = 0;
 		for (let file of event.dataTransfer.files) {
-			let text = '';
-			try {
-				text = await file.text();
-			} catch {
-				text = new TextDecoder('latin1').decode(await file.arrayBuffer());
-			}
+			let buffer = await file.arrayBuffer();
+			let text = new TextDecoder('latin1').decode(buffer);
 			gFiles[file.name] = {
 				doc: new CodeMirror.Doc(text, guessMode(file.name)),
+				buffer: buffer,
 				generation: -1,
+				isNew: true,
 			};
 			gCurrentFile = file.name;
 		}
@@ -561,6 +559,9 @@ function save(save_to) {
 	document.getElementById("save").disabled = true;
 	if (gCurrentFile) {
 		gFiles[gCurrentFile].doc = gEditor.getDoc();
+		if (!gFiles[gCurrentFile].isNew && !gFiles[gCurrentFile].doc.isClean(gFiles[gCurrentFile].doc.changeGeneration())) {
+			delete gFiles[gCurrentFile].buffer;
+		}
 	}
 
 	let save_path = save_to;
@@ -576,17 +577,18 @@ function save(save_to) {
 	let promises = [];
 	for (let name of Object.keys(gFiles)) {
 		let file = gFiles[name];
-		if (file.doc.isClean(file.generation)) {
+		if (!file.isNew && file.doc.isClean(file.generation)) {
 			continue;
 		}
 
 		delete file.id;
+		delete file.isNew;
 		promises.push(fetch('/save', {
 			method: 'POST',
 			headers: {
-				'Content-Type': 'text/plain',
+				'Content-Type': 'application/binary',
 			},
-			body: file.doc.getValue(),
+			body: file.buffer ?? file.doc.getValue(),
 		}).then(function(response) {
 			if (!response.ok) {
 				throw new Error('Saving "' + name + '": ' + response.status + ' ' + response.statusText);
@@ -1016,6 +1018,9 @@ function openFile(name) {
 	let oldDoc = gEditor.swapDoc(newDoc);
 	if (gFiles[gCurrentFile]) {
 		gFiles[gCurrentFile].doc = oldDoc;
+		if (!gFiles[gCurrentFile].isNew && gFiles[gCurrentFile].doc.isClean(oldDoc.generation)) {
+			delete gFiles[gCurrentFile].buffer;
+		}
 	}
 	gCurrentFile = name;
 	updateFiles();