deepEqual throws exception (#122)

If deepEqual is invoked with an empty object and null, it throws TypeError.
6 years ago · 1e088e7226
parent 765f880e00
commit 1e088e7226
1 changed files with 1 additions and 1 deletions
--- a/utilities/javascript/deepEqual.js
+++ b/utilities/javascript/deepEqual.js
@ -17,7 +17,7 @@ function deepEqual(val1, val2) {
    }

    // Object comparison.
-    if (typeof val1 === 'object' && typeof val2 === 'object' && val1 !== null) {
+    if (typeof val1 === 'object' && typeof val2 === 'object' && val1 !== null && val2 !== null) {
        const keys1 = Object.keys(val1), keys2 = Object.keys(val2);
        if (keys1.length !== keys2.length) {
            return false;