Repro for shellscape/webpack-manifest-plugin#167
$ yarn
$ yarn build
// Expected dist/manifest.json
{
"main.css": "main.css",
"main.js": "main.js",
"Roboto.woff2": "9896f773628188b649ed5824fa363290.woff2"
}
// Actual dist/manifest.json
{
"main.css": "main.css",
"main.js": "main.js",
"roboto_font.css": "9896f773628188b649ed5824fa363290.woff2"
}