iter-fun - npm Package Compare versions

Comparing version 0.1.2 to 0.2.0

index.js

@@ -101,2 +101,20 @@ function addSymbolIterator(obj) {
 
+function zip(iters) {
+  // convert input to iters just in case
+  iters = iters.map(getOrCreateIterator);
+
+  return wrapNextFunction(function next() {
+    const values = iters.map(iter => iter.next());
+    // if they are all done, stop
+    if (values.every(({ done }) => done)) {
+      return { done: true };
+    } else {
+      return {
+        done: false,
+        value: values.map(({ value }) => value)
+      };
+    }
+  });
+}
+
 if (typeof module === "object") {
@@ -114,4 +132,5 @@ module.exports = {
     getOrCreateIterator,
-    wrapNextFunction
+    wrapNextFunction,
+    zip
   };
 }

package.json

 {
   "name": "iter-fun",
-  "version": "0.1.2",
+  "version": "0.2.0",
   "description": "Fun with Iterables",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

@@ -57,2 +57,11 @@ # iter-fun
 // converts a next function into a fully functioning iterable
+
+import { zip } from "iter-fun";
+const zeros = [0, 0, 0, ...];
+const twos = [2, 2, 2, ...];
+const sixties = [60, 60, 60, ...];
+const iters = [zeros, twos, sixties];
+const zipped = zip(iters);
+zipped.next();
+// { done: false, value: [0, 2, 60] }
 ```

No alert changes

Improved metrics

Total package byte prevSize

12222

5.92%

Lines of code

121

16.35%

Number of lines in readme file

67

15.52%

No dependency changes