refactor LoaderDependency to es6 (#3781)
refactor LoaderDependency to es6 (#3781)


jescalan/webpack,SimenB/webpack,g0ddish/webpack,rlugojr/webpack,cesarandreu/webpack,NekR/webpack,rlugojr/webpack,pugnascotia/webpack,ts-webpack/webpack,g0ddish/webpack,SimenB/webpack,NekR/webpack,ts-webpack/webpack,pugnascotia/webpack,webpack/webpack,webpack/webpack,EliteScientist/webpack,webpack/webpack,nkzawa/webpack,jescalan/webpack,nkzawa/webpack,pugnascotia/webpack,webpack/webpack,EliteScientist/webpack,SimenB/webpack,cesarandreu/webpack,nkzawa/webpack,g0ddish/webpack,jescalan/webpack,cesarandreu/webpack,rlugojr/webpack,ts-webpack/webpack,ts-webpack/webpack,SimenB/webpack