Fix linting

Author: ehmicky

gulp/tasks/check.js

@@ -11,12 +11,12 @@ const format = () =>
   gulpExeca(`prettier --write --loglevel warn ${FILES.CHECK.join(' ')}`)
 
 // We do not use `gulp-eslint` because it does not support --cache
-const eslint = () =>
-  gulpExeca(
-    `eslint ${FILES.CHECK.join(
-      ' ',
-    )} --ignore-path .gitignore --fix --cache --format codeframe --max-warnings 0 --report-unused-disable-directives`,
+const eslint = () => {
+  const files = FILES.CHECK.map(pattern => `'${pattern}'`).join(' ')
+  return gulpExeca(
+    `eslint ${files} --ignore-path .gitignore --fix --cache --format codeframe --max-warnings 0 --report-unused-disable-directives`,
   )
+}
 
 const lint = series(format, eslint)