refactor(hexo/index): use Set (#4013)

hexojs · Dec 30, 2019 · f332669 · f332669
1 parent 80777a8
commit f332669
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/lib/hexo/index.js b/lib/hexo/index.js
@@ -36,15 +36,13 @@ const stopWatcher = box => { if (box.isWatching()) box.unwatch(); };
 
 const routeCache = new WeakMap();
 
-const unique = array => array.filter((item, index, self) => self.indexOf(item) === index);
-
 const castArray = obj => { return Array.isArray(obj) ? obj : [obj]; };
 
 const createLoadThemeRoute = function(generatorResult, locals, ctx) {
   const { log, theme } = ctx;
   const { path, cache: useCache } = locals;
 
-  const layout = unique(castArray(generatorResult.layout));
+  const layout = [...new Set(castArray(generatorResult.layout))];
   const layoutLength = layout.length;
 
   // allways use cache in fragment_cache