switch back to url #5

README.md

@@ -93,7 +93,9 @@ if i'm unavalible or you're in a hurry, you can decode the links manually:
 newer formats are complicated, so i'll only provide commit hashes and the code locations.
 
 - `#5`: commit 8acb6ab, grep for "location.hash"
-- `#6` is the latest, and may even change. first version is in a36406d src/url/mod.ts
+- `#6` commit a36406d, src/url/mod.ts. this version was reverted because the urls broke markdown
+- `#5` after commit a36406d, src/url/mod.ts
+
 
 
 ## building

src/url/mod.ts

@@ -109,6 +109,9 @@ async function fromUrlData(hash: string): Promise<Song | undefined> {
 		return;
 	}
 }
+
+//version 6 breaks markdown and probably other things
+/*
 async function setUrlData({ code, mode, sampleRate }: Song) {
 	const smallmode = smallmode_table[mode];
 
@@ -128,6 +131,27 @@ async function setUrlData({ code, mode, sampleRate }: Song) {
 	const base89 = into89(dataArray, 4);
 
 	window.location.hash = `#6${base89}`;
+}*/
+
+async function setUrlData({ code, mode, sampleRate }: Song) {
+	const smallmode = smallmode_table[mode];
+
+	const compressedCode = deflateSync(new TextEncoder().encode(code), {
+		level: 8,
+	});
+
+	const buffer = new ArrayBuffer(6 + compressedCode.length);
+	const dataview = new DataView(buffer);
+	dataview.setFloat32(1, sampleRate);
+	dataview.setUint8(5, smallmode);
+
+	const dataArray = new Uint8Array(buffer);
+	dataArray.set(compressedCode, 6);
+
+	const dataString = dataArray.reduce((a, b) => a + String.fromCharCode(b), "");
+	const base64 = btoa(dataString).substring(2).replaceAll("=", "");
+
+	window.location.hash = `#5${base64}`;
 }
 
 export { fromUrlData, setUrlData };