es-x/no-set-prototype-union

disallow the Set.prototype.union method

• ✅ The following configurations enable this rule: no-new-in-esnext and no-set-methods

This rule reports ES2025 Set.prototype.union methods as errors.

This rule is silent by default because it's hard to know types. You need to configure the aggressive mode or TypeScript in order to enable this rule.

💡 Examples

⛔ Examples of incorrect code for this rule:

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🔧 Options

This rule has an option.

rules:
  es-x/no-set-prototype-union: [error, { aggressive: false }]

aggressive: boolean

Configure the aggressive mode for only this rule. This is prior to the settings['es-x'].aggressive setting.

🚀 Version

This rule was introduced in v7.7.0.

📚 References

• Rule source
• Test source