fix(providence-analytics): from-import-to-export without fs lookup

packages/providence-analytics/src/program/analyzers/helpers/from-import-to-export-perspective.js

@@ -49,17 +49,21 @@ function fromImportToExportPerspective({
     // we still need to check if we're not dealing with a folder.
     // - '@open-wc/x/y.js' -> '@open-wc/x/y.js' or... '@open-wc/x/y.js/index.js' ?
     // - or 'lion-based-ui/test' -> 'lion-based-ui/test/index.js' or 'lion-based-ui/test' ?
-    const pathToCheck = pathLib.resolve(externalRootPath, `./${localPath}`);
+    if (externalRootPath) {
+      const pathToCheck = pathLib.resolve(externalRootPath, `./${localPath}`);
 
-    if (fs.existsSync(pathToCheck)) {
+      if (fs.existsSync(pathToCheck)) {
-      const stat = fs.statSync(pathToCheck);
+        const stat = fs.statSync(pathToCheck);
-      if (stat && stat.isFile()) {
+        if (stat && stat.isFile()) {
-        return `./${localPath}`; // '/path/to/lion-based-ui/fol.der' is a file
+          return `./${localPath}`; // '/path/to/lion-based-ui/fol.der' is a file
+        }
+        return `./${localPath}/index.js`; // '/path/to/lion-based-ui/fol.der' is a folder
+        // eslint-disable-next-line no-else-return
+      } else if (fs.existsSync(`${pathToCheck}.js`)) {
+        return `./${localPath}.js`; // '/path/to/lion-based-ui/fol.der' is file '/path/to/lion-based-ui/fol.der.js'
       }
-      return `./${localPath}/index.js`; // '/path/to/lion-based-ui/fol.der' is a folder
+    } else {
-      // eslint-disable-next-line no-else-return
+      return `./${localPath}`;
-    } else if (fs.existsSync(`${pathToCheck}.js`)) {
-      return `./${localPath}.js`; // '/path/to/lion-based-ui/fol.der' is file '/path/to/lion-based-ui/fol.der.js'
     }
   } else {
     // like '@lion/core'

packages/providence-analytics/src/program/analyzers/match-imports.js

@@ -19,6 +19,20 @@ function storeResult(resultsObj, exportId, filteredList, meta) {
   resultsObj[exportId].files = [...(resultsObj[exportId].files || []), ...Array.from(filteredList)];
 }
 
+/**
+ * Needed in case fromImportToExportPerspective does not have a
+ * externalRootPath supplied.
+ * @param {string} exportPath exportEntry.file
+ * @param {string} translatedImportPath result of fromImportToExportPerspective
+ */
+function compareImportAndExportPaths(exportPath, translatedImportPath) {
+  return (
+    exportPath === translatedImportPath ||
+    exportPath === `${translatedImportPath}.js` ||
+    exportPath === `${translatedImportPath}/index.js`
+  );
+}
+
 /**
  * @param {FindExportsAnalyzerResult} exportsAnalyzerResult
  * @param {FindImportsAnalyzerResult} importsAnalyzerResult
@@ -94,13 +108,15 @@ function matchImportsPostprocess(exportsAnalyzerResult, importsAnalyzerResult, c
              * importFile 'importing-target-project/file.js'
              * => import { z } from '@reference/foo.js'
              */
-            const isFromSameSource =
+            const fromImportToExport = fromImportToExportPerspective({
-              exportEntry.file ===
+              requestedExternalSource: importEntryResult.normalizedSource,
-              fromImportToExportPerspective({
+              externalProjectMeta: exportsProjectObj,
-                requestedExternalSource: importEntryResult.normalizedSource,
+              externalRootPath: cfg.referenceProjectResult ? null : cfg.referenceProjectPath,
-                externalProjectMeta: exportsProjectObj,
+            });
-                externalRootPath: cfg.referenceProjectPath,
+            const isFromSameSource = compareImportAndExportPaths(
-              });
+              exportEntry.file,
+              fromImportToExport,
+            );
 
             if (!isFromSameSource) {
               return;