2.0.3

Author: jonschlinkert

lib/Expression.js

@@ -26,7 +26,16 @@ class Expression extends ExpressionSync {
  return Expression.FAIL;
  }
 
- const val = () => typeof right === 'function' ? right() : right;
+ const s = v => {
+ if (typeof v === 'symbol') {
+ this.state.fail = true;
+ return;
+ }
+
+ return v;
+ };
+
+ const val = () => s(typeof right === 'function' ? right() : right);
 
  switch (operator) {
  case 'in': {

lib/ExpressionSync.js

@@ -121,8 +121,17 @@ class ExpressionSync {
  return ExpressionSync.FAIL;
  }
 
+ const s = v => {
+ if (typeof v === 'symbol') {
+ this.state.fail = true;
+ return;
+ }
+
+ return v;
+ };
+
  // only lazily evaluate "right" when necessary
- const val = () => typeof right === 'function' ? right() : right;
+ const val = () => s(typeof right === 'function' ? right() : right);
 
  if (operator === 'in') {
  const value = val();

package.json

@@ -1,7 +1,7 @@
 {
  "name": "eval-estree-expression",
  "description": "Safely evaluate JavaScript (estree) expressions, sync and async.",
- "version": "2.0.2",
+ "version": "2.0.3",
  "license": "MIT",
  "homepage": "https://github.com/jonschlinkert/eval-estree-expression",
  "author": "Jon Schlinkert (https://github.com/jonschlinkert)",