How Can I Use `calc()` in LESS Without Losing Its Functionality?

Unlocking the Potential of calc() within LESS

In the world of CSS3, developers often encounter the need to dynamically adjust element dimensions using the calc() function. However, while compiling LESS code, users may encounter a stumbling block where the function's functionality is compromised. Specifically, calc() is rendered in a distorted manner, causing unexpected layout issues.

Query: Is it possible to instruct LESS to preserve the integrity of calc() during compilation?

Response: Absolutely! Achieving this desired outcome calls for a simple yet effective solution: escapism through string quoting.

width: ~"calc(100% - 200px)";

By enclosing the calc() expression within escaped strings, LESS recognizes it as a non-compilable entity and respects its original form. This technique effectively disables the standard overriding mechanism, allowing you to harness the full potential of calc() within LESS.

Moreover, when the need arises to seamlessly integrate LESS math with escaped strings, an ingenious approach emerges. String concatenation, a default LESS behavior, plays a pivotal role here:

width: calc(~"100% - 15rem +" (10px+5px) ~"+ 2em");

Compiling this code yields the expected result:

width: calc(100% - 15rem + 15px + 2em);

This technique empowers developers to effortlessly blend calculations and escaped strings, unlocking unprecedented possibilities in the realm of responsive web design.

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