@atlaspack/utils - npm Package Compare versions

Comparing version 2.12.1-dev.3520 to 2.12.1-dev.3565

package.json

 {
   "name": "@atlaspack/utils",
-  "version": "2.12.1-dev.3520+8a5346e28",
+  "version": "2.12.1-dev.3565+b31bc6b33",
   "description": "Blazing fast, zero configuration web application bundler",
@@ -32,7 +32,7 @@ "license": "(MIT OR Apache-2.0)",
   "dependencies": {
-    "@atlaspack/codeframe": "2.12.1-dev.3520+8a5346e28",
-    "@atlaspack/diagnostic": "2.12.1-dev.3520+8a5346e28",
-    "@atlaspack/logger": "2.12.1-dev.3520+8a5346e28",
-    "@atlaspack/markdown-ansi": "2.12.1-dev.3520+8a5346e28",
-    "@atlaspack/rust": "2.12.1-dev.3520+8a5346e28",
+    "@atlaspack/codeframe": "2.12.1-dev.3565+b31bc6b33",
+    "@atlaspack/diagnostic": "2.12.1-dev.3565+b31bc6b33",
+    "@atlaspack/logger": "2.12.1-dev.3565+b31bc6b33",
+    "@atlaspack/markdown-ansi": "2.12.1-dev.3565+b31bc6b33",
+    "@atlaspack/rust": "2.12.1-dev.3565+b31bc6b33",
     "@parcel/source-map": "^2.1.1",
@@ -67,3 +67,3 @@ "chalk": "^4.1.0",
   },
-  "gitHead": "8a5346e28c1bb3b9cd40f1c4e77c66dd6666f1e4"
+  "gitHead": "b31bc6b33de40c158b9f4d8ff177238be0de409d"
 }

src/collection.js

@@ -37,2 +37,12 @@ // @flow strict-local
 
+/**
+ * Get the difference of A and B sets
+ *
+ * This is the set of elements which are in A but not in B
+ * For example, the difference of the sets {1,2,3} and {3,4} is {1,2}
+ *
+ * @param {*} a Set A
+ * @param {*} b Set B
+ * @returns A \ B
+ */
 export function setDifference<T>(
@@ -48,2 +58,26 @@ a: $ReadOnlySet<T>,
   }
+
+  return difference;
+}
+
+/**
+ * Get the symmetric difference of A and B sets
+ *
+ * This is the set of elements which are in either of the sets, but not in their intersection.
+ * For example, the symmetric difference of the sets {1,2,3} and {3,4} is {1,2,4}
+ *
+ * @param {*} a Set A
+ * @param {*} b Set B
+ * @returns A Δ B
+ */
+export function setSymmetricDifference<T>(
+  a: $ReadOnlySet<T>,
+  b: $ReadOnlySet<T>,
+): Set<T> {
+  let difference = new Set();
+  for (let e of a) {
+    if (!b.has(e)) {
+      difference.add(e);
+    }
+  }
   for (let d of b) {
@@ -50,0 +84,0 @@ if (!a.has(d)) {

src/index.js

@@ -39,2 +39,3 @@ // @flow strict-local
   setDifference,
+  setSymmetricDifference,
   setEqual,
@@ -41,0 +42,0 @@ setIntersect,

test/collection.test.js

@@ -8,2 +8,3 @@ // @flow
   setDifference,
+  setSymmetricDifference,
 } from '../src/collection';
@@ -46,2 +47,3 @@
 });
+
 describe('setDifference', () => {
@@ -51,2 +53,11 @@ it('returns a setDifference of two sets of T type', () => {
       setDifference(new Set([1, 2, 3]), new Set([3, 4, 5])),
+      new Set([1, 2]),
+    );
+  });
+});
+
+describe('setSymmetricDifference', () => {
+  it('returns a setSymmetricDifference of two sets of T type', () => {
+    assert.deepEqual(
+      setSymmetricDifference(new Set([1, 2, 3]), new Set([3, 4, 5])),
       new Set([1, 2, 4, 5]),
@@ -53,0 +64,0 @@ );

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Found 1 instance in 1 package

Fixed alerts

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

3624377

increased by0.07%

Lines of code

40110

increased by0.12%

Dependency changes

• Updated@atlaspack/codeframe@2.12.1-dev.3565+b31bc6b33

• Updated@atlaspack/diagnostic@2.12.1-dev.3565+b31bc6b33

• Updated@atlaspack/logger@2.12.1-dev.3565+b31bc6b33

• Updated@atlaspack/markdown-ansi@2.12.1-dev.3565+b31bc6b33

• Updated@atlaspack/rust@2.12.1-dev.3565+b31bc6b33