feat(tsconfig): support files / include / exclude (#659)

Related to rolldown/rolldown#5867

Author: shulaoda

fixtures/tsconfig/cases/extends-compiler-options/base-tsconfig.json renamed to fixtures/tsconfig/cases/extends/base-tsconfig.json

@@ -5,5 +5,8 @@
     "emitDecoratorMetadata": true,
     "useDefineForClassFields": true,
     "rewriteRelativeImportExtensions": true
-  }
+  },
+  "files": ["files"],
+  "include": ["include"],
+  "exclude": ["exclude"]
 }

fixtures/tsconfig/cases/extends-compiler-options/tsconfig.json renamed to fixtures/tsconfig/cases/extends/tsconfig.json

@@ -8,8 +8,8 @@ use std::path::Path;
 use crate::{ResolveOptions, Resolver, TsConfig, TsconfigOptions, TsconfigReferences};
 
 #[test]
-fn test_extend_tsconfig_compiler_options() {
-    let f = super::fixture_root().join("tsconfig/cases/extends-compiler-options");
+fn test_extend_tsconfig() {
+    let f = super::fixture_root().join("tsconfig/cases/extends");
 
     let resolver = Resolver::new(ResolveOptions {
         tsconfig: Some(TsconfigOptions {
@@ -20,9 +20,13 @@ fn test_extend_tsconfig_compiler_options() {
     });
 
     let resolution = resolver.resolve_tsconfig(&f).expect("resolved");
-    let compiler_options = resolution.compiler_options();
 
-    // Should inherit compilerOptions from parent
+    // Should inherit tsconfig from parent
+    assert_eq!(resolution.files, Some(vec!["files".to_string()]));
+    assert_eq!(resolution.include, Some(vec!["include".to_string()]));
+    assert_eq!(resolution.exclude, Some(vec!["exclude".to_string()]));
+
+    let compiler_options = resolution.compiler_options();
     assert_eq!(compiler_options.base_url, Some(f.join("src")));
     assert_eq!(compiler_options.allow_js, Some(true));
     assert_eq!(compiler_options.emit_decorator_metadata, Some(true));

src/tests/tsconfig_extends.rs

@@ -27,6 +27,15 @@ pub struct TsConfig {
     #[serde(skip)]
     pub path: PathBuf,
 
+    #[serde(default)]
+    pub files: Option<Vec<String>>,
+
+    #[serde(default)]
+    pub include: Option<Vec<String>>,
+
+    #[serde(default)]
+    pub exclude: Option<Vec<String>>,
+
     #[serde(default)]
     pub extends: Option<ExtendsField>,
 
@@ -135,9 +144,26 @@ impl TsConfig {
     /// Inherits settings from the given tsconfig into `self`.
     #[allow(clippy::cognitive_complexity, clippy::too_many_lines)]
     pub(crate) fn extend_tsconfig(&mut self, tsconfig: &Self) {
-        let compiler_options = self.compiler_options_mut();
+        if self.files.is_none() {
+            if let Some(files) = &tsconfig.files {
+                self.files = Some(files.clone());
+            }
+        }
+
+        if self.include.is_none() {
+            if let Some(include) = &tsconfig.include {
+                self.include = Some(include.clone());
+            }
+        }
+
+        if self.exclude.is_none() {
+            if let Some(exclude) = &tsconfig.exclude {
+                self.exclude = Some(exclude.clone());
+            }
+        }
 
         let tsconfig_dir = tsconfig.directory();
+        let compiler_options = self.compiler_options_mut();
 
         if compiler_options.base_url().is_none() {
             if let Some(base_url) = tsconfig.compiler_options().base_url() {