fxjs2 - npm Package Compare versions

Comparing version 0.0.3 to 0.0.4

fx.js

@@ -42,3 +42,3 @@ export const
 export const
-  then = (f, a) => a instanceof Promise ? a.then(f) : f(a),
+  then = curry((f, a) => a instanceof Promise ? a.then(f) : f(a)),
 
@@ -68,5 +68,12 @@ call = (f, a) => f(a),
     const iter = collIter(coll);
-    acc = acc === undefined ? iter.next().value : acc;
-    for (const a of iter) acc = then(acc => then(a => f(acc, a), a), acc);
-    return acc;
+    return then(function (cur) {
+      return function recur(acc) {
+        while ((cur = iter.next()) && !cur.done) {
+          if (cur instanceof Promise) return cur.then(cur => cur.done ? acc : then(recur, f(acc, cur.value)));
+          const a = cur.value;
+          acc = acc instanceof Promise ? acc.then(acc => f(acc, a)) : f(acc, a);
+        }
+        return acc;
+      } (acc === undefined ? cur.value : acc);
+    }, acc === undefined ? iter.next() : acc);
   }),
@@ -83,5 +90,5 @@
 export const
-  lmap = curry(function *(f, coll) {
-    for (const a of coll) yield f(a);
-  }),
+  lmap = curry((f, coll) => baseLazyLispF(function() {
+    return then(cur => cur.done ? cur : then(value => ({value}), f(cur.value)), this.iter.next());
+  }, coll)),
 
@@ -100,4 +107,11 @@ map = curry((f, coll) =>
 export const
-  lfilter = curry((f, coll) => baseLazyLispF(function(cur = this.iter.next()) {
-    return cur.done ? cur : go(f(cur.value), b => b ? cur : this.next());
+  lfilter = curry((f, coll) => baseLazyLispF(function() {
+    var recur = (cur, b) => {
+      while (!cur.done) {
+        if (b = f(cur.value)) return then(b => b ? cur : this.next(), b);
+        if ((cur = this.iter.next()) instanceof Promise) return cur.then(recur);
+      }
+      return { done: true }
+    };
+    return then(recur, this.iter.next());
   }, coll)),
@@ -130,3 +144,5 @@
 
-export const all = coll => reduce(push3, coll, []);
+export function all(coll) {
+  return reduce(push3, coll, []);
+}
 
@@ -173,3 +189,3 @@ export const
 
-function *range(limit) {
+export function *range(limit) {
   var i = -1;
@@ -176,0 +192,0 @@ while (++i < limit) yield i;

package.json

 {
   "name": "fxjs2",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "description": "Functional Extensions for Javascript",
@@ -5,0 +5,0 @@ "main": "index.js",

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Improved metrics

Total package byte prevSize

27464

increased by15.9%

Number of package files

11

increased by10%

Lines of code

229

increased by86.18%

No dependency changes