@istanbuljs/esm-loader-hook - npm Package Compare versions

Comparing version 0.1.1 to 0.1.2

CHANGELOG.md

@@ -5,2 +5,9 @@ # Changelog
 
+### [0.1.2](https://github.com/istanbuljs/esm-loader-hook/compare/v0.1.1...v0.1.2) (2020-05-31)
+
+
+### Bug Fixes
+
+* Prepare for ESM loader hooks moving to worker threads. ([#3](https://github.com/istanbuljs/esm-loader-hook/issues/3)) ([8105a8f](https://github.com/istanbuljs/esm-loader-hook/commit/8105a8f110321e5d2c76e01e59c36a13b7f14162))
+
 ### 0.1.1 (2020-05-20)
@@ -7,0 +14,0 @@

index.js

@@ -18,5 +18,5 @@ import {fileURLToPath} from 'url';
 
-export async function transformSource(source, context) {
-	if (loader.isLoading()) {
-		return {source};
+export async function transformSource(source, context, defaultTransformSource) {
+	if (context.format !== 'module' || loader.isLoading()) {
+		return defaultTransformSource(source, context, defaultTransformSource);
 	}
@@ -45,14 +45,12 @@
 
-	if (Buffer.isBuffer(source)) {
-		source = source.toString();
-	} else if (typeof source !== 'string') {
-		return {source};
-	}
-
 	const filename = fileURLToPath(context.url);
 	/* babel-plugin-istanbul does this but the early check optimizes */
 	if (!testExclude.shouldInstrument(filename)) {
-		return {source};
+		return defaultTransformSource(source, context, defaultTransformSource);
 	}
 
+	if (typeof source !== 'string') {
+		source = new TextDecoder().decode(source);
+	}
+
 	/* Can/should this handle inputSourceMap? */
@@ -76,3 +74,3 @@ const {code} = await babel.transformAsync(source, {
 
-	return {source: code};
+	return defaultTransformSource(code, context, defaultTransformSource);
 }

package.json

 {
 	"name": "@istanbuljs/esm-loader-hook",
-	"version": "0.1.1",
+	"version": "0.1.2",
 	"description": "Loader hook for ESM instrumentation (experimental!!)",
@@ -5,0 +5,0 @@ "type": "module",

No alert changes

Improved metrics

Total package byte prevSize

6852

increased by8.04%

Worsened metrics

Lines of code

64

decreased by-3.03%

No dependency changes