Fix linter errors

src/grammar-registry.js

@@ -249,8 +249,6 @@ class GrammarRegistry {
       fileTypes = fileTypes.concat(customFileTypes)
     }
 
-    if (!Array.isArray(fileTypes)) debugger
-
     for (let i = 0; i < fileTypes.length; i++) {
       const fileType = fileTypes[i]
       const fileTypeComponents = fileType.toLowerCase().split(PATH_SPLIT_REGEX)

src/tree-sitter-language-mode.js

@@ -473,8 +473,9 @@ class LanguageLayer {
   async _performUpdate (containingNodes) {
     let includedRanges = []
     if (containingNodes) {
-      for (const node of containingNodes)
+      for (const node of containingNodes) {
         includedRanges.push(...this._rangesForInjectionNode(node))
+      }
       if (includedRanges.length === 0) return
     }