prefer-string-starts-ends-with

Prefer startsWith and endsWith for string boundary tests

Comparing a search index or extracted slice expresses a string boundary test through intermediate values.
Instead, you SHOULD use startsWith or endsWith to state the tested boundary directly.

- Category: style
- Level: warning
- Fix: automatic
- Scope: module

Reported

function hasPrefix(text: string, prefix: string): boolean {
    return text.indexOf(prefix) === 0;
}
Accepted

function hasPrefix(text: string, prefix: string): boolean {
    return text.startsWith(prefix);
}
Prior art

- typescript-eslint · prefer-string-starts-ends-with
- eslint-plugin-unicorn · prefer-string-starts-ends-with

language/linter/src/rules/style/preferstringstartsendswith.rs:8