es-x/no-string-prototype-substr

disallow the String.prototype.substr method

This rule reports Annex B feature String.prototype.substr 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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🔧 Options

This rule has an option.

rules:
  es-x/no-string-prototype-substr: [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 v5.1.0.

📚 References

• Rule source
• Test source