fix: filter out new keys from legacy JSON generator

src/generators/legacy-json/index.mjs

@@ -78,7 +78,44 @@ export default {
         for (const section of chunkResult) {
           const out = join(output, `${section.api}.json`);
 
-          await writeFile(out, JSON.stringify(section, null, 2));
+          await writeFile(out, JSON.stringify(section, [
+            // TODO: remove this array once all the additional keys have been introduced downstream
+            'added',
+            'changes',
+            'classes',
+            'classMethods',
+            'commit',
+            'ctors',
+            'default',
+            'deprecated',
+            'desc',
+            'description',
+            'displayName',
+            'events',
+            'examples',
+            'globals',
+            'introduced_in',
+            'meta',
+            'methods',
+            'miscs',
+            ...(section.api === 'index' ? [] : ['modules']),
+            'name',
+            'napiVersion',
+            'options',
+            'params',
+            'pr-url',
+            'properties',
+            'removed',
+            'return',
+            'shortDesc',
+            'signatures',
+            'source',
+            'stability',
+            'stabilityText',
+            'textRaw',
+            'type',
+            'version',
+          ], 2));
         }
       }