test: Handle . in conformance test resolver (#1064)

crates/stc_ts_errors/src/lib.rs

@@ -2201,6 +2201,8 @@ impl ErrorKind {
 
             ErrorKind::RestParamMustBeLast { .. } => 1014,
 
+            ErrorKind::ImportFailed { .. } => 2305,
+
             _ => 0,
         }
     }

crates/stc_ts_type_checker/tests/conformance.pass.txt

@@ -1808,6 +1808,7 @@ jsdoc/parseThrowsTag.ts
 jsdoc/seeTag1.ts
 jsdoc/seeTag2.ts
 jsx/tsxEmitSpreadAttribute.ts
+moduleResolution/importFromDot.ts
 moduleResolution/packageJsonImportsExportsOptionCompat.ts
 nonjsExtensions/declarationFileForJsonImport.ts
 override/override10.ts

crates/stc_ts_type_checker/tests/conformance/es6/modules/exportSpellingSuggestion.error-diff.json

@@ -8,10 +8,10 @@
     ]
   },
   "extra_errors": {
-    "TS0": 1
+    "TS2305": 1
   },
   "extra_error_lines": {
-    "TS0": [
+    "TS2305": [
       1
     ]
   }

crates/stc_ts_type_checker/tests/conformance/moduleResolution/importFromDot.stats.rust-debug

@@ -1,6 +1,6 @@
 Stats {
-    required_error: 1,
-    matched_error: 0,
+    required_error: 0,
+    matched_error: 1,
     extra_error: 0,
-    panic: 1,
+    panic: 0,
 }

crates/stc_ts_type_checker/tests/tsc-stats.rust-debug

@@ -1,6 +1,6 @@
 Stats {
-    required_error: 3502,
-    matched_error: 6533,
+    required_error: 3501,
+    matched_error: 6534,
     extra_error: 766,
-    panic: 74,
+    panic: 73,
 }

crates/stc_ts_type_checker/tests/tsc.rs

@@ -606,6 +606,26 @@ impl Resolve for TestFileSystem {
             return Ok(FileName::Real(filename.into()));
         }
 
+        if module_specifier == "." {
+            let path = PathBuf::from(base.to_string());
+            match path.parent() {
+                Some(cur_dir) => {
+                    for (name, _) in self.files.iter() {
+                        if format!("{}/index.ts", cur_dir.display()) == *name || format!("{}/index.tsx", cur_dir.display()) == *name {
+                            return Ok(FileName::Real(name.into()));
+                        }
+                    }
+                }
+                None => {
+                    for (name, _) in self.files.iter() {
+                        if "index.ts" == *name || "index.tsx" == *name {
+                            return Ok(FileName::Real(name.into()));
+                        }
+                    }
+                }
+            }
+        }
+
         todo!("resolve: current = {:?}; target ={:?}", base, module_specifier);
     }
 }