fix: fix Windows bugs

src/cli/task/transform/transform-task.ts

@@ -13,7 +13,7 @@ import {
 	sys,
 	TransformationContext
 } from "typescript";
-import {dirname, isAbsolute, join, relative} from "path";
+import {normalize, dirname, isAbsolute, join, relative} from "path";
 import {cjsToEsmTransformerFactory} from "../../../transformer/cjs-to-esm-transformer-factory";
 
 /**
@@ -82,13 +82,13 @@ export async function transformTask({logger, input, outDir, root, fs}: Transform
 	const transformer = cjsToEsmTransformerFactory()(context);
 
 	for (const sourceFile of program.getSourceFiles()) {
-		if (!matchedFiles.has(sourceFile.fileName)) continue;
+		if (!matchedFiles.has(normalize(sourceFile.fileName))) continue;
 		const transformedSourceFile = transformer(sourceFile);
 
-		const destinationFile = join(absoluteOutDir, relative(root, transformedSourceFile.fileName));
+		const destinationFile = join(absoluteOutDir, relative(root, normalize(transformedSourceFile.fileName)));
 
 		fs.mkdirSync(dirname(destinationFile), {recursive: true});
 		fs.writeFileSync(destinationFile, printer.printFile(transformedSourceFile));
-		logger.info(`${relative(root, transformedSourceFile.fileName)} => ${relative(root, destinationFile)}`);
+		logger.info(`${relative(root, normalize(transformedSourceFile.fileName))} => ${relative(root, destinationFile)}`);
 	}
 }

src/transformer/before/transform-source-file.ts

@@ -28,6 +28,7 @@ import {getLocalsForBindingName} from "../util/get-locals-for-binding-name";
 import {shouldSkipEmit} from "../util/should-skip-emit";
 import {ModuleExports} from "../module-exports/module-exports";
 import {visitImportAndExportDeclarations} from "./visitor/visit/visit-import-and-export-declarations";
+import {normalize} from "path";
 
 export interface BeforeTransformerSourceFileStepResult {
 	sourceFile: SourceFile;
@@ -192,9 +193,9 @@ export function transformSourceFile(
 			isIdentifierFree,
 			getFreeIdentifier,
 			ignoreIdentifier,
-			getModuleExportsForPath: path => moduleExportsMap.get(path),
+			getModuleExportsForPath: path => moduleExportsMap.get(normalize(path)),
 			addModuleExportsForPath: (path, exports) => {
-				return moduleExportsMap.set(path, exports);
+				return moduleExportsMap.set(normalize(path), exports);
 			},
 			get imports() {
 				return [...imports.entries()].filter(([, noEmit]) => !noEmit).map(([declaration]) => declaration);
@@ -331,9 +332,9 @@ export function transformSourceFile(
 	}
 
 	// Add the relevant module exports for the SourceFile
-	visitorContext.addModuleExportsForPath(sourceFile.fileName, moduleExports);
+	visitorContext.addModuleExportsForPath(normalize(sourceFile.fileName), moduleExports);
 	if (!visitorContext.onlyExports && visitorContext.debug && visitorContext.printer != null) {
-		console.log("===", sourceFile.fileName, "===");
+		console.log("===", normalize(sourceFile.fileName), "===");
 		console.log(visitorContext.printer.printFile(updatedSourceFile));
 		console.log("EXPORTS:", visitorContext.exportedLocals);
 	}

src/transformer/cjs-to-esm-transformer-factory.ts

@@ -3,15 +3,16 @@ import {beforeTransformer} from "./before/before-transformer";
 import {VisitorContext} from "./visitor-context";
 import {CjsToEsmOptions} from "./cjs-to-esm-options";
 import {existsSync, readFileSync, statSync} from "fs";
+import {normalize} from "path";
 
 /**
  * A TransformerFactory that converts CommonJS to tree-shakeable ESM
  * @param {CjsToEsmOptions} [options]
  * @returns {TransformerFactory<SourceFile>}
  */
 export function cjsToEsmTransformerFactory({
-	fileExists = file => existsSync(file) && !statSync(file).isDirectory(),
-	readFile = (file: string, encoding?: string) => (existsSync(file) ? readFileSync(file, encoding).toString() : undefined),
+	fileExists = file => existsSync(normalize(file)) && !statSync(normalize(file)).isDirectory(),
+	readFile = (file: string, encoding?: string) => (existsSync(normalize(file)) ? readFileSync(normalize(file), encoding).toString() : undefined),
 	debug = false,
 	...rest
 }: CjsToEsmOptions = {}): TransformerFactory<SourceFile> {

src/transformer/util/is-require-call.ts

@@ -1,6 +1,7 @@
 import {isIdentifier, isStringLiteralLike, SourceFile, Expression, isCallExpression} from "typescript";
 import {VisitorContext} from "../visitor-context";
 import {resolvePath} from "./resolve-path";
+import {normalize} from "path";
 import {walkThroughFillerNodes} from "./walk-through-filler-nodes";
 import {isBuiltInModule} from "../built-in/built-in-module-map";
 
@@ -22,7 +23,10 @@ export interface IsRequireCallMatchResultWithResolvedModuleSpecifier {
 	resolvedModuleSpecifierText: string;
 }
 
-export type IsRequireCallResult = IsRequireCallNoMatchResult | IsRequireCallMatchResultWithNoResolvedModuleSpecifier | IsRequireCallMatchResultWithResolvedModuleSpecifier;
+export type IsRequireCallResult =
+	| IsRequireCallNoMatchResult
+	| IsRequireCallMatchResultWithNoResolvedModuleSpecifier
+	| IsRequireCallMatchResultWithResolvedModuleSpecifier;
 
 /**
  * Checks if the CallExpression represents a require call (e.g.: 'require(...)')
@@ -49,12 +53,13 @@ export function isRequireCall(inputExpression: Expression, sourceFile: SourceFil
 			? undefined
 			: resolvePath({
 					id: moduleSpecifier,
-					parent: sourceFile.fileName,
+					parent: normalize(sourceFile.fileName),
 					readFile: context.readFile,
 					fileExists: context.fileExists
 			  });
 
-	const resolvedModuleSpecifierText = resolvedModuleSpecifier == null || isBuiltInModule(resolvedModuleSpecifier) ? undefined : context.readFile(resolvedModuleSpecifier);
+	const resolvedModuleSpecifierText =
+		resolvedModuleSpecifier == null || isBuiltInModule(resolvedModuleSpecifier) ? undefined : context.readFile(resolvedModuleSpecifier);
 
 	if (moduleSpecifier == null || resolvedModuleSpecifier == null || resolvedModuleSpecifierText == null) {
 		return {
@@ -67,7 +72,7 @@ export function isRequireCall(inputExpression: Expression, sourceFile: SourceFil
 		return {
 			match: true,
 			moduleSpecifier,
-			resolvedModuleSpecifier,
+			resolvedModuleSpecifier: normalize(resolvedModuleSpecifier),
 			resolvedModuleSpecifierText
 		};
 	}