es-x/no-weak-map 
disallow the
WeakMapclass
- ✅ The following configurations enable this rule: no-new-in-es2015, restrict-to-es3, and restrict-to-es5
 
This rule reports ES2015 WeakMap class as errors.
💡 Examples 
⛔ Examples of incorrect code for this rule:
🚀 Version 
This rule was introduced in eslint-plugin-es v1.2.0.