jest-next-dynamic - npm Package Compare versions

Comparing version 0.2.0 to 0.3.0

index.js

@@ -5,8 +5,10 @@ const mockInitializers = [];
   if (mockInitializers.length) {
-    const promises = mockInitializers.map(preload => preload());
+    // Copy and empty out `mockInitializers` right away so that any newly
+    // enqueued components are found in the next pass.
+    const initializers = mockInitializers.slice();
     mockInitializers.length = 0;
     // While loading the components in this round of initializers, more
-    // components may have been dynamically loaded, adding more promises we
-    // should wait for.
-    return Promise.all(promises).then(preloadAll);
+    // components may have been dynamically imported, adding more initializers
+    // we should run and await.
+    return Promise.all(initializers.map(preload => preload())).then(preloadAll);
   } else {
@@ -17,12 +19,21 @@ return Promise.resolve();
 
-jest.doMock("next/dynamic", () => {
-  const { default: dynamic } = jest.requireActual("next/dynamic");
+jest.doMock(
+  "next/dynamic",
+  () => {
+    const { default: dynamic } = jest.requireActual("next/dynamic");
 
-  const mockDynamic = (...args) => {
-    const LoadableComponent = dynamic(...args);
-    mockInitializers.push(() => LoadableComponent.preload());
-    return LoadableComponent;
-  };
+    const mockDynamic = (...args) => {
+      const LoadableComponent = dynamic(...args);
+      mockInitializers.push(() => LoadableComponent.preload());
+      return LoadableComponent;
+    };
 
-  return mockDynamic;
-});
+    return mockDynamic;
+  },
+  // In order to more easily include this feature in shared Jest setups (like
+  // presets), use `virtual: true` to avoid throwing an error when `next` isn't
+  // actually installed.
+  {
+    virtual: true
+  }
+);

package.json

 {
   "name": "jest-next-dynamic",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "main": "index.js",
@@ -5,0 +5,0 @@ "license": "MIT",

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Improved metrics

Total package byte prevSize

3400

increased by12.88%

Lines of code

33

increased by50%

No dependency changes