es-x/no-array-prototype-lastindexof

disallow the Array.prototype.lastIndexOf method

✅ The following configurations enable this rule: no-new-in-es5 and restrict-to-es3

This rule reports ES5 Array.prototype.lastIndexOf method 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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This rule has an option.

yaml

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

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

This rule was introduced in eslint-plugin-es v5.0.0.