4.0.0 jar org.webjars.npm systemjs 0.19.22 systemjs WebJar for systemjs http://webjars.org UTF-8 https://github.com/systemjs/systemjs git://github.com/systemjs/systemjs.git git://github.com/systemjs/systemjs.git v0.19.22 webjars http://webjars.org MIT https://spdx.org/licenses/MIT#licenseText repo org.webjars.npm es6-module-loader [0.17.10,0.18) org.webjars.npm when [3.7.5,4)