[Compiler Error]CSS variable can not be used in CSS trigonometry functions

[JLdiesel]

It works in css,not less

[matthew-dean]

This looks like another variant of "CSS adding functions that are already in Less" problem. This will probably be solved in the future, but in the meantime, you can utilize string escaping, like:

--basic-deg-tan: ~"tan(var(--basic-deg))";

[jiang-zhong-xi]

This looks like another variant of "CSS adding functions that are already in Less" problem. This will probably be solved in the future, but in the meantime, you can utilize string escaping, like:

--basic-deg-tan: ~"tan(var(--basic-deg))";

how to do if "var(--basic-deg)" needs to pass to third part lib, third part lib can not be modified.

[G1King]

+1
I have same a issue

[puckowski]

I will take a look at improving Less.js custom property support this weekend.

[puckowski]

I believe PR #4297 should resolve this issue.

In the short term, you can use fork https://github.com/puckowski/less.js/releases/tag/4.2.1.4

Fork is Less.js 4.2.1 with fixes for:
#4252
#3737
#4258
#4264
#4268
#4267
#3777
#4224