Replace deprecated String.prototype.substr() (#311)

.substr() is deprecated so we replace it with .slice() which works similarily but isn't deprecated

Signed-off-by: Tobias Speicher <[email protected]>

Author: CommanderRoot

.eslintrc.js

@@ -53,6 +53,10 @@ module.exports = {
 			}
 		],
 		'node/no-deprecated-api': 'off',
+		'no-restricted-properties': [
+			'error',
+			{ property: 'substr', message: 'Use .slice instead of .substr.' }
+		],
 		'node/no-unpublished-import': 'off',
 		'node/no-unpublished-require': 'off',
 		'node/no-unsupported-features/es-syntax': 'off',

packages/vite-plugin-svelte/src/utils/hash.ts

@@ -14,7 +14,7 @@ export function safeBase64Hash(input: string) {
 	// OR DON'T USE A HASH AT ALL, what about a simple counter?
 	const md5 = crypto.createHash('md5');
 	md5.update(input);
-	const hash = toSafe(md5.digest('base64')).substr(0, hash_length);
+	const hash = toSafe(md5.digest('base64')).slice(0, hash_length);
 	hashes[input] = hash;
 	return hash;
 }