• Operating System: OSX 10.15.2
• Node Version: v10.17.0
• NPM Version: 6.11.3
• webpack Version: 4.41.5
• css-loader Version: 3.4.2

Expected Behavior

"preload_fonts" which imports "font_a" which composes "font_base" and;
"preload_fonts" which imports "font_b" which composes "font_base".
On this case, the "baseFont" appears only once.

Actual Behavior

the "baseFont" module appears twice.

image

How Do We Reproduce?

https://github.com/fa93hws/duplicate-import
npm run start, open console and switch to style Editor tab.