es-x/no-nonstandard-symbol-prototype-properties

disallow non-standard properties on Symbol instance

This rule reports non-standard properties on Symbol instance as errors.

💡 Examples

⛔ Examples of incorrect code for this rule:

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🔧 Options

This rule has an option.

{
  "rules": {
    "es-x/no-nonstandard-symbol-prototype-properties": [
      "error",
      {
        "allow": []
      }
    ]
  }
}

allow: string[]

An array of non-standard property names to allow.

🚀 Version

This rule was introduced in v8.2.0.

📚 References

• Rule source
• Test source