fxjs2 - npm Package Compare versions

Comparing version 0.1.3 to 0.1.4

fx.js

@@ -109,26 +109,21 @@ export const
 
-L.flat = L.flatten = function(iter) {
-  iter = iter[Symbol.iterator]();
-  let flatting = null;
+L.flat = L.flatten = function(iter, depth = 1) {
+  const iterStack = [iter[Symbol.iterator]()];
   return {
     next: function recur() {
-      if (flatting) {
-        const cur = flatting.next();
-        if (!cur.done) return cur;
-        flatting = null;
-      }
-
+      const iter = last(iterStack);
+      if (!iter) return { done: true };
       const cur = iter.next();
-      if (cur.done) return cur;
-
-      if (hasIter(cur.value)) {
-        flatting = cur.value[Symbol.iterator]();
+      if (cur.done) {
+        iterStack.pop();
         return recur();
+      } else if (iterStack.length <= depth && isIterable(cur.value) && typeof cur.value != 'string') {
+        iterStack.push(cur.value[Symbol.iterator]());
+        return recur();
       } else if (cur.value instanceof Promise) {
         return {
           value: cur.value.then(value => {
-            if (!hasIter(value)) return value;
-            flatting = value[Symbol.iterator]();
-            const cur = flatting.next();
-            return cur.done ? Promise.reject(nop) : cur.value;
+            if (iterStack.length > depth || !isIterable(value) || typeof value == 'string') return value;
+            const iter = value[Symbol.iterator](), cur = iter.next();
+            return cur.done ? Promise.reject(nop) : (iterStack.push(iter), cur.value);
           }),
@@ -145,8 +140,3 @@ done: false
 
-L.deepFlat = L.deep_flat = L.deepFlatten = L.deep_flatten = function *f(iter) {
-  for (const a of iter) {
-    if (typeof a != 'string' && hasIter(a)) yield *f(a);
-    else yield a;
-  }
-};
+L.deepFlat = L.deep_flat = L.deepFlatten = L.deep_flatten = iter => L.flat(iter, Infinity);
 
@@ -153,0 +143,0 @@ L.flatMap = L.flat_map = curry((f, iter) => L.flat(L.map(f, iter)));

package.json

 {
   "name": "fxjs2",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "Functional Extensions for Javascript",
@@ -5,0 +5,0 @@ "main": "index.js",

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Improved metrics

Total package byte prevSize

16169

increased by0.19%

Worsened metrics

Lines of code

399

decreased by-1.97%

No dependency changes