extra-lists - npm Package Compare versions

Comparing version 2.0.84 to 2.0.85

index.d.ts

 declare module 'extra-lists' {
+export type tillFn = (dones: boolean[]) => boolean;
 export type reduceFn<T, U, V> = (acc: V, v: U, k: T, x: Lists<T, U>) => V;
@@ -423,4 +424,12 @@ export type calledFn<T, U> = (v: U, k: T, x: Lists<T, U>) => void;
 export function values<T, U>(x: Lists<T, U>): Iterable<U>;
+/**
+ * Combines matching entries from all lists.
+ * @param xs n lists
+ * @param fm map function (vs, k)
+ * @param ft till function (dones) (some)
+ * @param vd default value
+ */
+export function zip<T, U, V = U>(xs: Lists<T, U>[], fm?: mapFn<T, U[], U[] | V>, ft?: tillFn, vd?: U): Lists<T, U[] | V>;
 
 export {};
 }

index.js

@@ -63,2 +63,11 @@ 'use strict';
 
+function unionKeys(...xs) {
+    var a = new Set();
+    for (var x of xs) {
+        for (var [k] of x)
+            a.add(k);
+    }
+    return a;
+}
+
 function concat$(x, ...ys) {
@@ -223,2 +232,22 @@ for (var y of ys) {
 
+function someIf(x) {
+    for (var v of x)
+        if (v)
+            return true;
+    return false;
+}
+function someTest(x, fn) {
+    var i = -1;
+    for (var v of x)
+        if (fn(v, ++i, x))
+            return true;
+    return false;
+}
+function some(x, fn = null) {
+    if (fn)
+        return someTest(x, fn);
+    else
+        return someIf(x);
+}
+
 function intersection(x, y, fc = null) {
@@ -370,2 +399,15 @@ var fc = fc || id$1;
 
+function zip(xs, fm = null, ft = null, vd) {
+    var fm = fm || id$1, ft = ft || some;
+    var ks = unionKeys(...xs), a = new Map();
+    for (var k of ks) {
+        var ds = xs.map(x => !x.has(k));
+        if (ft(ds))
+            break;
+        var vs = xs.map(x => !x.has(k) ? vd : x.get(k));
+        a.set(k, fm(vs, k, null));
+    }
+    return a;
+}
+
 /**
@@ -381,3 +423,3 @@ * Lists cartesian product of lists.
 
-function someIf(x) {
+function someIf$1(x) {
     for (var v of x)
@@ -388,3 +430,3 @@ if (v)
 }
-function someTest(x, fn) {
+function someTest$1(x, fn) {
     var i = -1;
@@ -396,7 +438,7 @@ for (var v of x)
 }
-function some(x, fn = null) {
+function some$2(x, fn = null) {
     if (fn)
-        return someTest(x, fn);
+        return someTest$1(x, fn);
     else
-        return someIf(x);
+        return someIf$1(x);
 }
@@ -416,3 +458,3 @@
 function some$1$1(x, fn) {
-    return some(x, fn);
+    return some$2(x, fn);
 }
@@ -425,3 +467,3 @@
 
-function zip(xs, fm = null, ft = null, vd) {
+function zip$1(xs, fm = null, ft = null, vd) {
     var fm = fm || id$1$1, ft = ft || some$1$1;
@@ -454,3 +496,3 @@ var X = xs.length, a = [];
     var vss = chunk([...values(x)], n, s);
-    return zip([kss, vss]);
+    return zip$1([kss, vss]);
 }
@@ -466,3 +508,3 @@
 
-function unionKeys(...xs) {
+function unionKeys$1(...xs) {
     var a = new Set();
@@ -478,3 +520,3 @@ for (var x of xs) {
     var fc = fc || cmp$1, fm = fm || id$2;
-    var ks = unionKeys(x, y);
+    var ks = unionKeys$1(x, y);
     for (var k of ks) {
@@ -1769,3 +1811,3 @@ if (!x.has(k))
 
-function some$2(x, ft = null) {
+function some$3(x, ft = null) {
     return some$1(entries(x), ft);
@@ -1809,3 +1851,3 @@ }
 
-function unionKeys$1(...xs) {
+function unionKeys$2(...xs) {
     return extraSet_6(...xs.map(x => keys(x)));
@@ -1818,2 +1860,7 @@ }
 
+function zip$2(xs, fm = null, ft = null, vd) {
+    var a = zip(xs.map(x => new Map(entries(x))), fm, ft, vd);
+    return [a.keys(), a.values()];
+}
+
 exports.cartesianProduct = cartesianProduct$1;
@@ -1873,3 +1920,3 @@ exports.chunk = chunk$1;
 exports.size = size$1;
-exports.some = some$2;
+exports.some = some$3;
 exports.submap = submap$1;
@@ -1882,4 +1929,5 @@ exports.submaps = submaps$1;
 exports.union = union$1;
-exports.unionKeys = unionKeys$1;
+exports.unionKeys = unionKeys$2;
 exports.value = value$1;
 exports.values = values;
+exports.zip = zip$2;

package.json

 {
   "name": "extra-lists",
-  "version": "2.0.84",
+  "version": "2.0.85",
   "description": "Standard utility methods for Lists.",
@@ -5,0 +5,0 @@ "main": "index.js",

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Improved metrics

Total package byte prevSize

98444

increased by2.52%

Lines of code

3744

increased by2.63%

No dependency changes