refactor(src): revert package import fix for now

Author: Xunnamius

src/index.ts

@@ -1,4 +1,5 @@
-import { name as pkgName } from 'package';
+// TODO: replace with 'package'
+import { name as pkgName } from '../package.json';
 import debugFactory from 'debug';
 import template from '@babel/template';
 import * as util from '@babel/types';

test/integration/assets/output-1.js

@@ -1,39 +1,50 @@
-const _rewrite = (importPath, options) => {
-    if (typeof importPath != 'string') {
-      throw new TypeError(`rewrite error: expected import specifier of type string, not ${typeof importPath}`);
+const _rewrite = (specifier, options) => {
+    if (typeof specifier != 'string') {
+      throw new TypeError(`rewrite error: expected specifier of type string, not ${typeof specifier}`);
     }
-    let finalImportPath = importPath;
     let replacementMap;
     replacementMap = undefined;
     if (options.replaceExtensions) {
       Object.entries(options.replaceExtensions).some(([target, replacement]) => {
         if (target.startsWith('^') || target.endsWith('$')) {
           const targetRegExp = new RegExp(target);
-          if (targetRegExp.test(finalImportPath)) {
-            replacementMap = [targetRegExp, replacement];
+          const capturingGroups = Array.from(specifier.match(targetRegExp) || []);
+          if (capturingGroups.length) {
+            replacementMap = [targetRegExp, replacement, capturingGroups];
             return true;
           }
-        } else if (finalImportPath.endsWith(target)) {
-          replacementMap = [target, replacement];
+        } else if (specifier.endsWith(target)) {
+          replacementMap = [target, replacement, []];
           return true;
         }
       });
     }
+    let finalImportPath = specifier;
     if (replacementMap) {
-      const [target, replacement] = replacementMap;
-      finalImportPath = finalImportPath.replace(target, replacement);
+      const [target, replacement, capturingGroups] = replacementMap;
+      finalImportPath = finalImportPath.replace(target, typeof replacement == 'string' ? replacement : replacement({
+        specifier,
+        capturingGroups
+      }));
     }
-    const isRelative = finalImportPath.startsWith('./') || finalImportPath.startsWith('../') || finalImportPath == '.' || finalImportPath == '..';
+    const isRelative = finalImportPath.startsWith('./') || finalImportPath.startsWith('.\\') || finalImportPath.startsWith('../') || finalImportPath.startsWith('..\\') || finalImportPath == '.' || finalImportPath == '..';
     if (options.appendExtension && isRelative) {
-      const endsWithSlash = finalImportPath.endsWith('/');
-      if (/(^\.?\.\/?$)|(\/\.?\.\/?$)/.test(finalImportPath)) {
-        finalImportPath += `${endsWithSlash ? '' : '/'}index${options.appendExtension}`;
-      } else {
-        const hasRecognizedExtension = !endsWithSlash && options.recognizedExtensions.some(extension => {
-          return finalImportPath.endsWith(extension);
-        });
-        if (!hasRecognizedExtension) {
-          finalImportPath = endsWithSlash ? finalImportPath + `index${options.appendExtension}` : finalImportPath + options.appendExtension;
+      const endsWithSlash = /(\/|\\)$/.test(finalImportPath);
+      const basenameIsDots = /(^\.?\.(\/|\\)?$)|((\/|\\)\.?\.(\/|\\)?$)/.test(finalImportPath);
+      const extensionToAppend = typeof options.appendExtension == 'string' ? options.appendExtension : options.appendExtension({
+        specifier,
+        capturingGroups: []
+      });
+      if (extensionToAppend !== undefined) {
+        if (basenameIsDots) {
+          finalImportPath += `${endsWithSlash ? '' : '/'}index${extensionToAppend}`;
+        } else {
+          const hasRecognizedExtension = !endsWithSlash && options.recognizedExtensions.some(extension => {
+            return finalImportPath.endsWith(extension);
+          });
+          if (!hasRecognizedExtension) {
+            finalImportPath = endsWithSlash ? finalImportPath + `index${extensionToAppend}` : finalImportPath + extensionToAppend;
+          }
         }
       }
     }