es-x/no-array-prototype-flat

disallow the Array.prototype.{flat,flatMap} method

• ✅ The following configurations enable this rule: no-new-in-es2019, restrict-to-es3, restrict-to-es5, restrict-to-es2015, restrict-to-es2016, restrict-to-es2017, and restrict-to-es2018

This rule reports ES2019 Array.prototype.{flat,flatMap} 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-array-prototype-flat": [
      "error",
      {
        "aggressive": false,
        "allowTestedProperty": false
      }
    ]
  }
}

aggressive: boolean

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

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 eslint-plugin-es v5.0.0.

📚 References

• Rule source
• Test source