unicorn/prefer-string-starts-ends-with Correctness

✅ This rule is turned on by default.

🛠️ An auto-fix is available for this rule.

Prefer String#startsWith() and String#endsWith() over using a regex with /^foo/ or /foo$/.

Using String#startsWith() and String#endsWith() is more readable and performant as it does not need to parse a regex.

Examples of incorrect code for this rule:

javascript

const foo = "hello";
/^abc/.test(foo);

Examples of correct code for this rule:

javascript

const foo = "hello";
foo.startsWith("abc");

How to use

To enable this rule using the config file or in the CLI, you can use:

Config (.oxlintrc.json)CLI

json

{
  "rules": {
    "unicorn/prefer-string-starts-ends-with": "error"
  }
}

bash

oxlint --deny unicorn/prefer-string-starts-ends-with