fix: empty Symbol() returns Symbol(undefined) (#32)

chaijs · Jan 21, 2021 · d78096a · d78096a
1 parent 20087b8
commit d78096a
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/lib/symbol.js b/lib/symbol.js
@@ -1,6 +1,6 @@
 export default function inspectSymbol(value) {
   if ('description' in Symbol.prototype) {
-    return `Symbol(${value.description})`
+    return value.description ? `Symbol(${value.description})` : "'Symbol()'"
   }
   return value.toString()
 }
diff --git a/test/symbols.js b/test/symbols.js
@@ -1,6 +1,11 @@
 import inspect from '../index'
 import { expect } from 'chai'
 describe('symbols', () => {
+  /* eslint-disable */
+  it('returns Symbol() for empty Symbol', () => {
+    expect(inspect(Symbol())).to.equal("'Symbol()'")
+  })
+
   it('returns string wrapped in quotes', () => {
     expect(inspect('abc')).to.equal("'abc'")
   })