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Run Babel in node_modules

See original GitHub issue

Describe the bug

react-static can not minify the main entry-point because it pulls in a dependency that uses newer JavaScript features than UglifyJS can handle.

ERROR in main.51c74111.js from UglifyJs
Unexpected character '`' [/Users/redacted/dev/this-week-in-react/node_modules/performance-now/index.js:21,0][main.51c74111.js:12593,20]

To Reproduce

Steps to reproduce the behavior:

Check out the repo at https://github.com/philipp-spiess/this-week-in-react/pull/10
Run yarn && yarn build
See error

The package that is causing issues, performance-now, seems to be pulled in via raf which is a dependency of react-static:

β this-week-in-react (react_static) yarn why performance-now
yarn why v1.12.0
[1/4] 🤔  Why do we have the module "performance-now"...?
[2/4] 🚚  Initialising dependency graph...
[3/4] 🔍  Finding dependency...
[4/4] 🚡  Calculating file sizes...
=> Found "performance-now@2.1.0"
info Reasons this module exists
   - "react-static#raf" depends on it
   - Hoisted from "react-static#raf#performance-now"
   - Hoisted from "open-graph-scraper#request#performance-now"
   - Hoisted from "react-static#download-git-repo#download#decompress#performance-now"
info Disk size without dependencies: "16MB"
info Disk size with unique dependencies: "36MB"
info Disk size with transitive dependencies: "36MB"
info Number of shared dependencies: 1
✨  Done in 0.71s.

Expected behavior

The build script displays no errors, the main.js artifact ends up being is compressed.

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