Update BN#inspect for Symbols (#225)

indutny · Aug 10, 2019 · 79dccc4 · 79dccc4
1 parent b28644b
commit 79dccc4
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/lib/bn.js b/lib/bn.js
@@ -363,9 +363,17 @@
  return this;
  };
 
- BN.prototype.inspect = function inspect () {
+ // Check Symbol.for because not everywhere where Symbol defined
+ // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol#Browser_compatibility
+ if (typeof Symbol !== 'undefined' && typeof Symbol.for === 'function') {
+ BN.prototype[Symbol.for('nodejs.util.inspect.custom')] = inspect;
+ } else {
+ BN.prototype.inspect = inspect;
+ }
+
+ function inspect () {
  return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
- };
+ }
 
  /*