Add unstable manual shared bundles (#9251)

parcel-bundler · Oct 4, 2023 · 3027926 · 3027926
1 parent b882b43
commit 3027926
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Showing 55 changed files with 1,415 additions and 199 deletions.
diff --git a/packages/bundlers/default/src/DefaultBundler.js b/packages/bundlers/default/src/DefaultBundler.js
diff --git a/packages/core/core/src/public/Bundle.js b/packages/core/core/src/public/Bundle.js
@@ -132,6 +132,10 @@ export class Bundle implements IBundle {
     return this.#bundle.isSplittable;
   }
 
+  get manualSharedBundle(): ?string {
+    return this.#bundle.manualSharedBundle;
+  }
+
   get target(): ITarget {
     return new Target(this.#bundle.target, this.#options);
   }

diff --git a/packages/core/core/src/public/MutableBundleGraph.js b/packages/core/core/src/public/MutableBundleGraph.js
@@ -9,7 +9,11 @@ import type {
   MutableBundleGraph as IMutableBundleGraph,
   Target,
 } from '@parcel/types';
-import type {ParcelOptions, BundleGroup as InternalBundleGroup} from '../types';
+import type {
+  ParcelOptions,
+  BundleGroup as InternalBundleGroup,
+  BundleNode,
+} from '../types';
 
 import invariant from 'assert';
 import nullthrows from 'nullthrows';
@@ -204,7 +208,7 @@ export default class MutableBundleGraph
       isPlaceholder = entryAssetNode.requested === false;
     }
 
-    let bundleNode = {
+    let bundleNode: BundleNode = {
       type: 'bundle',
       id: bundleId,
       value: {
@@ -232,6 +236,7 @@ export default class MutableBundleGraph
         name: null,
         displayName: null,
         publicId,
+        manualSharedBundle: opts.manualSharedBundle,
       },
     };
 

diff --git a/packages/core/core/src/types.js b/packages/core/core/src/types.js
@@ -518,6 +518,7 @@ export type Bundle = {|
   name: ?string,
   displayName: ?string,
   pipeline: ?string,
+  manualSharedBundle?: ?string,
 |};
 
 export type BundleNode = {|

diff --git a/packages/core/graph/src/BitSet.js b/packages/core/graph/src/BitSet.js
@@ -55,6 +55,16 @@ export class BitSet {
     return Boolean(this.bits[i] & (1 << b));
   }
 
+  empty(): boolean {
+    for (let k = 0; k < this.bits.length; k++) {
+      if (this.bits[k] !== 0) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
   clear() {
     this.bits.fill(0);
   }

diff --git a/packages/core/graph/test/BitSet.test.js b/packages/core/graph/test/BitSet.test.js
@@ -55,6 +55,18 @@ describe('BitSet', () => {
     assertValues(set1, [1, 5]);
   });
 
+  it('empty should check if there are no values set', () => {
+    let set1 = new BitSet(5);
+
+    assert(set1.empty());
+
+    set1.add(3);
+    assert(!set1.empty());
+
+    set1.delete(3);
+    assert(set1.empty());
+  });
+
   it('should intersect with another BitSet', () => {
     let set1 = new BitSet(5);
     set1.add(1);