I want to temporarily strip the units from my variables @baseLineHeight and @baseFontSize so that I can divide them to get a relative line-height. Here is my attempt:
@baseFontSize: 12px;
@baseLineHeight: 18px;
font: @baseFontSize~"/"@baseLineHeight/@baseFontSize sans-serif;
This code snippet results in the following error:
Object #<Object> has no method 'toCSS' (Less::ParseError)
Desired output:
font: 12px/1.5 sans-serif;
There appears to be a handy function available for this specific purpose. Check it out:
Below is the code snippet shared in the comment above, just for reference. (shoutout to user123).
font: @baseFontSize~"/"unit(@baseLineHeight/@baseFontSize) sans-serif;
After reviewing the documentation more thoroughly, I realized that using JavaScript evaluation can be quite helpful. I found the following snippet that has helped resolve my issue:
font: @baseFontSize~"/"`parseInt("@{baseLineHeight}") / parseInt("@{baseFontSize}")` sans-serif;
The answers provided by others do not yield the intended outcome.
As per the guidelines presented in the LESS documentation, the unit() function serves to eliminate or modify the dimensional unit. The function requires only one dimension as input (with an optional parameter). You can employ the following syntax:
unit((@baseLineHeight/@baseFontSize))
Due to the usage of strict math, it is advisable to ensure proper evaluation by enclosing the line in parentheses.
@baseFontSize: 12px;
@baseLineHeight: 18px;
p {
font: @baseFontSize ~"/" unit((@baseLineHeight/@baseFontSize)) sans-serif;
}
The aforementioned LESS code will generate the desired output as shown below:
p {
font: 12px / 1.5 sans-serif;
}
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