Can SCSS be used in conjunction with Less in a backwards compatible manner?

Can scss be considered backwards compatible with less? Personally, I have my doubts. One key difference is that while less uses '@' to prefix variables, scss opts for '$'. Changing the variable prefix might not be enough, as there are likely functions and handling methods unique to each preprocessor.

A colleague has been adamant that scss is indeed backwards compatible with less. However, this assertion seems dubious to me. While both less and scss can compile down to css, it's unclear if scss truly maintains compatibility with less. Can you shed some light on this?

csssassless

Answer №1

When it comes to basic nested styling, both LESS and Sass offer compatibility:

a {
    // A styles

    B {
        // B styles
    }

}

These will result in the same output when compiled using either LESS or Sass, with some built-in functions producing identical results.

However, beyond these basics, the differences become more apparent. For instance, & behaves differently; Sass utilizes explicit @mixin mixins while LESS treats all class definitions as mixins; there are variations in built-in functions; Sass includes conditional directives like if, for, each, and while, whereas LESS relies on when guards and self-recalling mixins; and more.

For further information:

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