WIP:use different devtool

[longshuicy]

Thanks @robkooper @bodom0015! Might as well just tag you two for review :p

[lmarini]

@longshuicy this doesn't seem to work for me. I see the new URLs, but when I click on them I still get directed to the minified file. I am doing this in the clowder debug window. Also is the # a typo? Even without it I am getting errors.

One more thing, if I read this page correctly https://webpack.js.org/configuration/devtool/ I think we might want to use eval-source-map for dev build and source-map for prod build. Still trying to understand the differences.

[longshuicy]

@longshuicy this doesn't seem to work for me. I see the new URLs, but when I click on them I still get directed to the minified file. I am doing this in the clowder debug window. Also is the # a typo? Even without it I am getting errors.

One more thing, if I read this page correctly https://webpack.js.org/configuration/devtool/ I think we might want to use eval-source-map for dev build and source-map for prod build. Still trying to understand the differences.

Yeah i tried a few things and couldn't make it work yet. Hold on to reivew/merge this PR

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