Catch empty input

2019-07-15 14:28:49 +09:00 · 2019-07-15 14:28:49 +09:00 · 5c6e78eab5
commit 5c6e78eab5
parent ef9e72cdcd
1 changed files with 2 additions and 0 deletions
--- a/desktop/sources/scripts/lisp.js
+++ b/desktop/sources/scripts/lisp.js
@ -66,6 +66,8 @@ function Lisp (input, lib) {
  }

  const interpret = function (input, context) {
+    if (!input) { return null }
+
    if (context === undefined) {
      return interpret(input, new Context(lib))
    } else if (input instanceof Array) {