fix: scopeName not defined

lib/grammars/coffeescript.js

@@ -1,11 +1,5 @@
 "use babel"
 
-/*
- * decaffeinate suggestions:
- * DS103: Rewrite code to no longer use __guard__, or convert again using --optional-chaining
- * DS207: Consider shorter variations of null checks
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
 let GrammarUtils
 import path from "path"
 const { command } = (GrammarUtils = require("../grammar-utils"))
@@ -24,8 +18,9 @@ export const CoffeeScript = {
   "Selection Based": {
     command,
     args(context) {
-      const { scopeName } = __guard__(atom.workspace.getActiveTextEditor(), (x) => x.getGrammar())
-      const lit = (scopeName != null ? scopeName.includes("lit") : undefined) ? "lit" : ""
+      const editor = atom.workspace.getActiveTextEditor()
+      const scopeName = editor ? editor.getGrammar().scopeName : null
+      const lit = scopeName !== null && scopeName.includes("lit") ? "lit" : ""
       const code = context.getCode()
       const filepath = GrammarUtils.createTempFileWithCode(code, `.${lit}coffee`)
       return args({ filepath })
@@ -51,7 +46,3 @@ export const IcedCoffeeScript = {
     },
   },
 }
-
-function __guard__(value, transform) {
-  return typeof value !== "undefined" && value !== null ? transform(value) : undefined
-}