[GitHub] mistercrunch opened a new issue #4705: Smaller JS package sizes!

[GitBox <gi...@apache.org>]

mistercrunch opened a new issue #4705: Smaller JS package sizes!
URL: https://github.com/apache/incubator-superset/issues/4705
 
 
   I think we've beaten the world record of biggest JS bundles. Let's contain this.
   
   State of things:
   ```
   $ du dist/*|sort -n -r | head
   14640   dist/dashboard.13e463a9f8b8738180b3.entry.js
   14032   dist/explore.248040abcbbaf60a59b9.entry.js
   6072    dist/sqllab.ea495dee48ee855009f6.entry.js
   2296    dist/addSlice.66d103d9c1275427d857.entry.js
   2064    dist/profile.90e39d37579af32c6091.entry.js
   2040    dist/welcome.41f4f4057ba02c52f350.entry.js
   1072    dist/common.7ece420589d15408bce6.entry.js
   520     dist/theme.ed0d61cb90e4574ee3da.css
   216     dist/89889688147bd7575d6327160d64e760.svg
   160     dist/dashboard.13e463a9f8b8738180b3.css
   ```
   Ideas:
   * break out a `superset-visualizations` npm package with sub packages for each visualizations sets, one for `deckGL`-related visualizations, one for nvd3-related, and any other big chunks separately. This will also pave the way towards a `superset-embedables` package
   * the biggest win is to break out the deckgl related packages (luma.gl, mapbox.gl, deck.gl, ...)
   * in the main app, visualizations bundles should be lazy loaded
   * working viz out of `explore` and `dashboard`,  should make those much leaner
   * keep `theme.js` we still need that has standalone
   * maybe add a `common.js` with things like `React` and commonly used utilities that we need across the board
   * ...

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