Matching what was done for CSS, make sourcemaps for JS
Matching what was done for CSS, make sourcemaps for JS

wlonk/warehouse,alex/warehouse,karan/warehouse,dstufft/warehouse,alex/warehouse,pypa/warehouse,wlonk/warehouse,pypa/warehouse,alex/warehouse,pypa/warehouse,dstufft/warehouse,karan/warehouse,dstufft/warehouse,karan/warehouse,alex/warehouse,dstufft/warehouse,alex/warehouse,pypa/warehouse,karan/warehouse,wlonk/warehouse,karan/warehouse