vitest/prefer-to-be-falsy
January 2, 2026 ยท View on GitHub
๐ Enforce using toBeFalsy().
๐ซ This rule is disabled in the ๐ all config.
๐ง This rule is automatically fixable by the --fix CLI option.
Rule Details
This rule aims to enforce the use of toBeFalsy() over toBe(false)
Examples of incorrect code for this rule:
expect(foo).toBe(false)
expectTypeOf(foo).toBe(false)
Examples of correct code for this rule:
expect(foo).toBeFalsy()
expectTypeOf(foo).toBeFalsy()