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added a parameter to transform URLs without adding assets to webpack pip... #25

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added a parameter to transform URLs without adding assets to webpack pip... #25

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19 changes: 19 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,25 @@ The result is:

* `url(/image.png)` => `require("./image.png")`

### 'Skip require and prepend' urls

If you don't want to process the images but rather want to transform the URLs use this parameter

If a `skipRequireAndAddPath` query parameter is set, it will be prepended to the url and assets won't be added to webpack bundle:

With a config like:

``` javascript
loaders: [
{ test: /\.css$/, loader: "style-loader!css-loader?skipRequireAndAddPath=app/images" },
...
]
```

The result is:

* `url(/image.png)` => `require("app/images/image.png")`

### SourceMaps

To include SourceMaps set the `sourceMap` query param.
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4 changes: 4 additions & 0 deletions index.js
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Expand Up @@ -13,6 +13,7 @@ module.exports = function(content, map) {
var query = loaderUtils.parseQuery(this.query);
var root = query.root;
var forceMinimize = query.minimize;
var skipRequireAndAddPath = query.skipRequireAndAddPath;
var importLoaders = parseInt(query.importLoaders, 10) || 0;
var minimize = typeof forceMinimize !== "undefined" ? !!forceMinimize : (this && this.minimize);
var tree = csso.parse(content, "stylesheet");
Expand Down Expand Up @@ -46,6 +47,9 @@ module.exports = function(content, map) {
var match = /^%CSSURL\[%(["']?(.*?)["']?)%\]CSSURL%$/.exec(JSON.parse('"' + str + '"'));
var url = loaderUtils.parseString(match[2]);
if(!loaderUtils.isUrlRequest(match[2], root)) return JSON.stringify(match[1]).replace(/^"|"$/g, "");
if(skipRequireAndAddPath) {
return skipRequireAndAddPath + url;
}
var idx = url.indexOf("?#");
if(idx < 0) idx = url.indexOf("#");
if(idx > 0) {
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3 changes: 3 additions & 0 deletions test/urlTest.js
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Expand Up @@ -107,6 +107,9 @@ describe("url", function() {
test("background img absolute with root", ".class { background: green url(/img.png) xyz }", [
[1, ".class { background: green url({./img.png}) xyz }", ""]
], "?root=.");
test("background img with prepended path", ".class { background: green url(img.png) xyz }", [
[1, ".class { background: green url(app/images/img.png) xyz }", ""]
], "?skipRequireAndAddPath=app/images/");
test("background img external",
".class { background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz }", [
[1, ".class { background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz }", ""]
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