es-x/no-iterator-concat

disallow the Iterator.concat method

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

This rule reports ES2026 Iterator.concat method as errors.

💡 Examples

⛔ Examples of incorrect code for this rule:

🔧 Options

This rule has an option.

{
  "rules": {
    "es-x/no-iterator-concat": [
      "error",
      {
        "allowTestedProperty": false
      }
    ]
  }
}

allowTestedProperty: boolean

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

🚀 Version

This rule was introduced in v9.2.0.

📚 References

• Rule source
• Test source