Mixin hoisting inside media queries across Less versions

Does a mixin defined inside a media query hoist to root in Less 4.x?

0 reputation · 24 Aug 2023, 03:27 UTC

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Goal

Determine whether a mixin declared within an @media block changes its scope between Less 3.x and Less 4.x, and how that impacts the generated CSS.

Constraints

The behavior appears to differ: Less 3.x keeps the mixin scoped to the media query, while Less 4.x may hoist it to the root, altering @media block ordering and specificity when multiple queries coexist.

Questions

Does the mixin become globally available in Less 4.x?
How does the compiled @media block ordering differ between Less 3.15 and 4.0?
Which version‑specific flag or configuration controls this hoisting behavior?

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Does a mixin defined inside a media query hoist to root in Less 4.x?

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