chapter10/auction/client: webpack does not produce CSS asset

[catull]

When running npm run build, no CSS is produced in dist/.

These files are in dist/:

• 448c34a56d699c29117adc64c43affeb.woff2
• 89889688147bd7575d6327160d64e760.svg
• bundle.js
• bundle.js.gz
• bundle.js.map
• bundle.js.map.gz
• e18bbf611f2a2e43afc071aa2f4e1512.ttf
• f4769f9bdb7466be65088239c12046d1.eot
• fa2772327f55d8198301fdb8bcfc8158.woff
• index.html
• vendor.bundle.js
• vendor.bundle.js.gz
• vendor.bundle.js.map
• vendor.bundle.js.map.gz

The relevant logs are:

 Asset Size Chunks Chunk Names
 vendor.bundle.js.map 7.63 MB 0 [emitted] vendor
 f4769f9bdb7466be65088239c12046d1.eot 20.1 kB [emitted]
448c34a56d699c29117adc64c43affeb.woff2 18 kB [emitted]
 e18bbf611f2a2e43afc071aa2f4e1512.ttf 45.4 kB [emitted]
 89889688147bd7575d6327160d64e760.svg 109 kB [emitted]
 vendor.bundle.js 1.21 MB 0 [emitted] vendor
 bundle.js 80.3 kB 1 [emitted] main
 fa2772327f55d8198301fdb8bcfc8158.woff 23.4 kB [emitted]
 bundle.js.map 397 kB 1 [emitted] main
 bundle.js.gz 14.5 kB [emitted]
 bundle.js.map.gz 65.8 kB [emitted]
 vendor.bundle.js.gz 267 kB [emitted]
 vendor.bundle.js.map.gz 1.51 MB [emitted]
 index.html 315 bytes [emitted]
 + 717 hidden modules

and then

Condition always false [./~/style-loader/addStyles.js:24,0]
Dropping unreachable code [./~/style-loader/addStyles.js:25,0]
Condition always false [./~/style-loader!./~/css-loader!./~/bootstrap/dist/css/bootstrap.min.css:10,0]
Dropping unreachable code [./~/style-loader!./~/css-loader!./~/bootstrap/dist/css/bootstrap.min.css:12,0]
Side effects in initialization of unused variable update [./~/style-loader!./~/css-loader!./~/bootstrap/dist/css/bootstrap.min.css:7,0]