supports -0

inspect-js · Oct 31, 2016 · e892727 · e892727
1 parent 212ee7b
commit e892727
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Showing 2 changed files with 16 additions and 0 deletions.
diff --git a/index.js b/index.js
@@ -33,6 +33,14 @@ module.exports = function inspect_ (obj, opts, depth, seen) {
     if (typeof obj === 'string') {
         return inspectString(obj);
     }
+    if (typeof obj === 'number') {
+      if (Object.is) {
+        if (Object.is(obj, -0)) {
+          return '-0';
+        }
+      }
+      return String(obj);
+    }
     else if (typeof obj === 'function') {
         var name = nameOf(obj);
         return '[Function' + (name ? ': ' + name : '') + ']';

diff --git a/test/number.js b/test/number.js
@@ -0,0 +1,8 @@
+var inspect = require('../');
+var test = require('tape');
+
+test('negative zero', function (t) {
+    t.equal(inspect(0), '0');
+    t.equal(inspect(-0), '-0');
+    t.end();
+});