test: add imports field chain resolution test cases

README.md

@@ -167,12 +167,12 @@ The options are aligned with [enhanced-resolve](https://github.com/webpack/enhan
 
 ### Other Options
 
-| Field               | Default | Description                                                                                                                                                                                                                                                                                                                                                                                                |
-| ------------------- | ------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| tsconfig            | None    | TypeScript related config for resolver                                                                                                                                                                                                                                                                                                                                                                     |
-| tsconfig.configFile |         | A relative path to the tsconfig file based on `cwd`, or an absolute path of tsconfig file.                                                                                                                                                                                                                                                                                                                 |
-| tsconfig.references | `[]`    | - 'auto': inherits from TypeScript config <br/> - `string []`: relative path (based on directory of the referencing tsconfig file) or absolute path of referenced project's tsconfig                                                                                                                                                                                                                       |
-| enablePnp           | false   | Enable Yarn Plug'n'Play support                                                                                                                                                                                                                                                                                                                                                                            |
+| Field               | Default | Description                                                                                                                                                                          |
+| ------------------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
+| tsconfig            | None    | TypeScript related config for resolver                                                                                                                                               |
+| tsconfig.configFile |         | A relative path to the tsconfig file based on `cwd`, or an absolute path of tsconfig file.                                                                                           |
+| tsconfig.references | `[]`    | - 'auto': inherits from TypeScript config <br/> - `string []`: relative path (based on directory of the referencing tsconfig file) or absolute path of referenced project's tsconfig |
+| enablePnp           | false   | Enable Yarn Plug'n'Play support                                                                                                                                                      |
 
 In the context of `@rspack/resolver`, the `tsconfig.references` option helps isolate the `paths` configurations of different TypeScript projects.
 This ensures that path aliases defined in one TypeScript project do not unintentionally affect the resolving behavior of another.

src/tests/imports_field.rs

@@ -1339,3 +1339,20 @@ async fn test_cases() {
     }
   }
 }
+
+#[tokio::test]
+#[ignore] // imports chain not supported yet
+async fn test_imports_chain() {
+  let root = super::fixture().join("imports-field-chain");
+  let resolved = Resolver::default().resolve(&root, "#a").await.unwrap().path;
+
+  assert_eq!(resolved, root.join("the.js"))
+}
+
+#[tokio::test]
+async fn test_imports_chain_to_other_package() {
+  let root = super::fixture().join("imports-field");
+  let resolved = Resolver::default().resolve(&root, "#c").await.unwrap().path;
+
+  assert_eq!(resolved, root.join("node_modules/c/index.js"));
+}