fix: make context value configurable (fixes #33)

Author: gajus

README.md

@@ -168,6 +168,7 @@ NODE_ENV=production ./test
 |Name|Description|Default|
 |---|---|---|
 |`generateScopedName`|Refer to [Generating scoped names](https://github.com/css-modules/postcss-modules#generating-scoped-names)|`[path]___[name]__[local]___[hash:base64:5]`|
+|`context`|Must match webpack [`context`](https://webpack.github.io/docs/configuration.html#context) configuration. [`css-loader`](https://github.com/webpack/css-loader) inherits `context` values from webpack. Other CSS module implementations might use different context resolution logic.|`process.cwd()`|
 
 Missing a configuration? [Raise an issue](https://github.com/gajus/babel-plugin-react-css-modules/issues/new?title=New%20configuration:).
 

src/requireCssModule.js

@@ -44,14 +44,17 @@ const getTokens = (runner, cssSourceFilePath: string): StyleModuleMapType => {
 };
 
 type OptionsType = {|
-  generateScopedName?: string
+  generateScopedName?: string,
+  context?: string
 |};
 
 export default (cssSourceFilePath: string, options: OptionsType): StyleModuleMapType => {
   // eslint-disable-next-line prefer-const
   let runner;
 
-  const scopedName = genericNames(options.generateScopedName || '[path]___[name]__[local]___[hash:base64:5]');
+  const scopedName = genericNames(options.generateScopedName || '[path]___[name]__[local]___[hash:base64:5]', {
+    context: options.context || process.cwd()
+  });
 
   const fetch = (to: string, from: string) => {
     const fromDirectoryPath = dirname(from);