Suppose we have a ZIP file containing CSS and JS files, available under Static Resources (MIME Type : application/zip) and we want to load it in a lightning component, then check the code synapse needs to be update under .cmp file for solution ,
sample.zip - | sampleCss.css
| sampleJs.js
sample.zip - | sampleCss.css
| sampleJs.js
<aura:component> <ltng:require styles="{!$Resource.sample + '/sampleCss.css'}" scripts="{!$Resource.sample + '/sampleJs.js'}" afterScriptsLoaded="{!c.afterScriptsLoadedMethodInController}"/> <aura:component>