<% var left = '<%-' %> <% var right = '%' %> <% var right2 = '>' %> <% for (let index in htmlWebpackPlugin.files.css) { %> <% let cssFile = htmlWebpackPlugin.files.css[index] %> <%= `${left} css('${cssFile.substr(cssFile.indexOf("css"),cssFile.length)}') ${right}${right2}` %> <% } %>