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27 changes: 20 additions & 7 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -605,12 +605,19 @@ module.exports = {
Type:

```ts
type auto = boolean | regExp | ((resourcePath: string) => boolean);
type auto =
| boolean
| regExp
| ((
resourcePath: string,
resourceQuery: string,
resourceFragment: string
) => boolean);
```

Default: `undefined`

Allows auto enable CSS modules/ICSS based on filename when `modules` option is object.
Allows auto enable CSS modules/ICSS based on the filename, query or fragment when `modules` option is object.

Possible values:

Expand Down Expand Up @@ -673,7 +680,7 @@ module.exports = {

###### `function`

Enable CSS modules for files based on the filename satisfying your filter function check.
Enable CSS modules for files based on the filename, query or fragment satisfying your filter function check.

**webpack.config.js**

Expand All @@ -686,7 +693,9 @@ module.exports = {
loader: "css-loader",
options: {
modules: {
auto: (resourcePath) => resourcePath.endsWith(".custom-module.css"),
auto: (resourcePath, resourceQuery, resourceFragment) => {
return resourcePath.endsWith(".custom-module.css");
},
},
},
},
Expand All @@ -705,7 +714,11 @@ type mode =
| "global"
| "pure"
| "icss"
| ((resourcePath: string) => "local" | "global" | "pure" | "icss");
| ((
resourcePath: string,
resourceQuery: string,
resourceFragment: string
) => "local" | "global" | "pure" | "icss");
```

Default: `'local'`
Expand Down Expand Up @@ -745,7 +758,7 @@ module.exports = {

###### `function`

Allows set different values for the `mode` option based on a filename
Allows set different values for the `mode` option based on the filename, query or fragment.

Possible return values - `local`, `global`, `pure` and `icss`.

Expand All @@ -761,7 +774,7 @@ module.exports = {
options: {
modules: {
// Callback must return "local", "global", or "pure" values
mode: (resourcePath) => {
mode: (resourcePath, resourceQuery, resourceFragment) => {
if (/pure.css$/i.test(resourcePath)) {
return "pure";
}
Expand Down
13 changes: 11 additions & 2 deletions src/utils.js
Original file line number Diff line number Diff line change
Expand Up @@ -646,15 +646,24 @@ function getModulesOptions(rawOptions, exportType, loaderContext) {
return false;
}
} else if (typeof modulesOptions.auto === "function") {
const isModule = modulesOptions.auto(resourcePath);
const { resourceQuery, resourceFragment } = loaderContext;
const isModule = modulesOptions.auto(
resourcePath,
resourceQuery,
resourceFragment
);

if (!isModule) {
return false;
}
}

if (typeof modulesOptions.mode === "function") {
modulesOptions.mode = modulesOptions.mode(loaderContext.resourcePath);
modulesOptions.mode = modulesOptions.mode(
loaderContext.resourcePath,
loaderContext.resourceQuery,
loaderContext.resourceFragment
);
}

if (needNamedExport) {
Expand Down
14 changes: 12 additions & 2 deletions test/modules-option.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -834,7 +834,11 @@ describe('"modules" option', () => {
it("issue #1063", async () => {
const compiler = getCompiler("./modules/issue-1063/issue-1063.js", {
modules: {
mode: (resourcePath) => {
mode: (resourcePath, resourceQuery, resourceFragment) => {
expect(resourcePath).toBeDefined();
expect(resourceQuery).toBeDefined();
expect(resourceFragment).toBeDefined();

if (/pure.css$/i.test(resourcePath)) {
return "pure";
}
Expand Down Expand Up @@ -1269,7 +1273,13 @@ describe('"modules" option', () => {
it('should work with a modules.auto Function that returns "true"', async () => {
const compiler = getCompiler("./modules/mode/modules.js", {
modules: {
auto: (relativePath) => relativePath.endsWith("module.css"),
auto: (resourcePath, resourceQuery, resourceFragment) => {
expect(resourcePath).toBeDefined();
expect(resourceQuery).toBeDefined();
expect(resourceFragment).toBeDefined();

return resourcePath.endsWith("module.css");
},
},
});
const stats = await compile(compiler);
Expand Down