Fix CJS output and tests

package.json

@@ -2,7 +2,7 @@
   "name": "wasm-feature-detect",
   "version": "1.4.0",
   "description": "A small library to detect which features of WebAssembly are supported in your current browser.",
-  "main": "dist/cjs/index.js",
+  "main": "dist/cjs/index.cjs",
   "module": "dist/esm/index.js",
   "types": "dist/index.d.ts",
   "type": "module",
@@ -18,7 +18,7 @@
     "prepublishOnly": "npm run build",
     "fmt": "prettier --write ./{,{src,rollup-plugins}/**/}*.{mjs,js,md}",
     "fmt_test": "prettier --check ./{,{src,rollup-plugins}/**/}*.{mjs,js,md}",
-    "test": "npm run fmt_test && npm run build && node --no-warnings test/index.js"
+    "test": "npm run fmt_test && npm run build && node --no-warnings test/index.cjs"
   },
   "repository": "GoogleChromeLabs/wasm-feature-detect",
   "keywords": [],

rollup.config.js

@@ -19,9 +19,9 @@ import sizePrinter from "./rollup-plugins/size-printer.js";
 import exportInPlace from "./rollup-plugins/export-in-place.js";
 
 export default ["esm", "cjs", "umd"].map(format => ({
-  input: "./src/index.js",
+  input: `./src/index.js`,
   output: {
-    dir: `dist/${format}`,
+    file: `dist/${format}/index.${format === "cjs" ? "cjs" : "js"}`,
     format,
     name: "wasmFeatureDetect",
     esModule: false,

test/index.js → test/index.cjs

@@ -18,7 +18,7 @@ process.on("unhandledRejection", err => {
 });
 
 // We try to import the generated module
-const features = require(__dirname+'/../dist/cjs');
+const features = require(__dirname+'/../dist/cjs/index.cjs');
 
 const isBoolean = function (value) {
   return typeof value === 'boolean';
@@ -35,20 +35,9 @@ const checkFeature = async function (featureName) {
 }
 
 async function run() {
-  await checkFeature("bulkMemory");
-  await checkFeature("exceptions");
-  await checkFeature("multiValue");
-  await checkFeature("mutableGlobals");
-  await checkFeature("referenceTypes");
-  await checkFeature("saturatedFloatToInt");
-  await checkFeature("signExtensions");
-  await checkFeature("simd");
-  await checkFeature("tailCall");
-  await checkFeature("threads");
-  await checkFeature("bigInt");
-  await checkFeature("streamingCompilation")
-  await checkFeature("extendedConst");
-  await checkFeature("relaxedSimd");
+  for(const feature of Object.keys(features)) {
+    await checkFeature(feature);
+  }
 }
 
 run();