fix: remove trailing = signs from hash urls (sveltejs#1513)

* fix: remove trailing `=` signs from hash urls

* Update apps/svelte.dev/src/routes/(authed)/playground/[id]/gzip.js

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Co-authored-by: Simon H <[email protected]>

Author: 2 people

apps/svelte.dev/src/routes/(authed)/playground/[id]/gzip.js

@@ -6,7 +6,8 @@ export async function compress_and_encode_text(input) {
 		const { done, value } = await reader.read();
 		if (done) {
 			reader.releaseLock();
-			return btoa(buffer).replaceAll('+', '-').replaceAll('/', '_');
+			// Some sites like discord don't like it when links end with =
+			return btoa(buffer).replaceAll('+', '-').replaceAll('/', '_').replace(/=+$/, '');
 		} else {
 			for (let i = 0; i < value.length; i++) {
 				// decoding as utf-8 will make btoa reject the string