Fix #547 quote snbt keys + respect indentation

Author: misode

package-lock.json

@@ -39,7 +39,7 @@
     "deepslate-1.18": "npm:deepslate@0.9.0-beta.9",
     "deepslate-1.18.2": "npm:deepslate@0.9.0",
     "deepslate-1.20.4": "npm:deepslate@0.20.1",
-    "deepslate": "^0.22.2",
+    "deepslate": "^0.22.3",
     "highlight.js": "^11.5.1",
     "howler": "^2.2.3",
     "js-yaml": "^3.14.1",

package.json

@@ -30,7 +30,13 @@ const FORMATS: Record<string, {
 	},
 	snbt: {
 		parse: async (v) => NbtTag.fromString(v).toSimplifiedJson(),
-		stringify: (v, _i) => jsonToNbt(v).toPrettyString(),
+		stringify: (v, i) => {
+			const tag = jsonToNbt(v)
+			if (i === undefined) {
+				return tag.toString()
+			}
+			return tag.toPrettyString(typeof i === 'number' ? ' '.repeat(i) : i)
+		},
 	},
 	yaml: {
 		parse: async (v) => yaml.load(v),