urbanhusky urbanhusky - 23 days ago 9
Sass (Sass) Question

Webpack: overwriting url for @font-face in SASS (Glyphicons)

I've imported

"glyphicons-halflings": "1.9.0"
, which does not contain the actual fonts. Therefore the fonts are stored relative to my application in
app/assets/fonts
.

I am dealing with errors such as this:

ERROR in ./~/css-loader?sourceMap!./~/resolve-url-loader!./~/sass-loader?sourceMap!./app/scss/application.scss
Module not found: Error: Cannot resolve 'file' or 'directory' ../fonts/glyphicons-halflings-regular.eot in C:\work\myapp\src\MyApp.Web\app\scss
@ ./~/css-loader?sourceMap!./~/resolve-url-loader!./~/sass-loader?sourceMap!./app/scss/application.scss 6:168498-168550 6:168573-168625


To me, this seems as if the url defined in
node_modules/glyphicons-halflings/scss/glyphicons-halflings/_glyphicons-halflings.scss
is not correctly being overwritten


_glyphicons-halflings.scss
defines

@font-face {
font-family: 'Glyphicons Halflings';
src: url('../fonts/glyphicons-halflings-regular.eot');
src: url('../fonts/glyphicons-halflings-regular.eot?#iefix') format('embedded-opentype'),
url('../fonts/glyphicons-halflings-regular.woff2') format('woff2'),
url('../fonts/glyphicons-halflings-regular.woff') format('woff'),
url('../fonts/glyphicons-halflings-regular.ttf') format('truetype'),
url('../fonts/glyphicons-halflings-regular.svg#glyphicons_halflingsregular') format('svg');
}


My own
app/scss/_font.scss
defines

@font-face {
font-family: 'Glyphicons Halflings';
src: url('../assets/fonts/glyphicons/glyphicons-halflings-regular.eot');
src: url('../assets/fonts/glyphicons/glyphicons-halflings-regular.eot?#iefix') format('embedded-opentype'),
url('../assets/fonts/glyphicons/glyphicons-halflings-regular.woff2') format('woff2'),
url('../assets/fonts/glyphicons/glyphicons-halflings-regular.woff') format('woff'),
url('../assets/fonts/glyphicons/glyphicons-halflings-regular.ttf') format('truetype'),
url('../assets/fonts/glyphicons/glyphicons-halflings-regular.svg#glyphicons_halflingsregular') format('svg');
}


The only difference between these two are the urls. I define a relative path to the
_font.scss
(or rather,
application.scss
) but webpack cannot resolve the urls defined in the
glyphicons-halflings
module.

Both these files are imported in the
app/scss/application.scss
:

@import "variables";
@import "mixins";
@import "~bootstrap/scss/bootstrap";
@import "~font-awesome/scss/font-awesome";
@import "~glyphicons-halflings/scss/glyphicons-halflings";
@import "bootstrap-override";
@import "libs-override";

@import "font";


I've set up webpack like this:
webpack.common.js


module: {
loaders: [
{
test: /\.ts$/,
include: helpers.root('app'),
loaders: ['awesome-typescript-loader', 'angular2-template-loader']
},
{
test: /\.html$/, // mostly angular templates
include: helpers.root('app'),
loader: 'html'
},
{
test: /\.(png|jpe?g|gif|svg|woff|woff2|ttf|eot|ico)(\?|$)/,
include: helpers.root('app'),
loader: 'file?name=[path][name].[hash].[ext]'
},
{
test: /\.scss$/,
include: helpers.root('app'),
loaders: ['style', 'css?sourceMap', 'resolve-url', 'sass?sourceMap']
},
{
test: /\.css$/,
include: helpers.root('app'),
loader: 'to-string!css!resolve-url'
}
]
},


For reference, my folder structure is like this:

+-- app
| +-- assets
| +-- fonts
| +-- font-awesome
| +-- FontAwesome.otf
| +-- ...
| +-- glyphicons
| +-- ...
| +-- ...
| +-- icon
| +-- ...
| +-- ...
| +-- sass
| +-- _font.css
| +-- application.scss
| +-- ...
| +-- ...
+-- appdist (later for server-side, if ever)
+-- node_modules
+-- ...
+-- wwwroot
+-- dist
+-- ...webpack bundled content goes here...


TL;DR
package
glyphicons-halflings
1.9.0 defines a
@font-face
which I'm having trouble to overwrite (because the urls are wrong). All SASS, webpack loader pipeline is
'style', 'css?sourceMap', 'resolve-url', 'sass?sourceMap'

Answer

I've stopped using the glyphicons-halflings package. I instead copied the contents next to my own code and changed the paths.

My guess is that webpack sass-loader evaluates every require(…) separately - and the glyphicions-halflings package does not pass evaluation.