Slider in block codes

Hi! When a line of code is too long, there are problems with comments or reading. There is an idea to make a slider in block codes. This will improve the readability of the code.
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Why not make the same block codes as in Markdown

:exclamation: I’M FROM RUSSIA. WROTE THIS POST WITH THE HELP OF A TRANSLATOR

My plug-in Code Styler does this for Reading view via settings and I’m trying to find a solution for editing mode as well!