@vect/column-mapper - npm Package Compare versions

Comparing version 0.0.24 to 0.0.25

dist/index.cjs.js

@@ -16,8 +16,7 @@ 'use strict';
 function columnMutate(mx, fn, l) {
-  const {
-    y
-  } = this;
   l = l || mx && mx.length;
 
-  for (let r; --l >= 0 && (r = mx[l]);) r[y] = fn(r[y], l);
+  for (let i = 0, r, {
+    y
+  } = this; i < l && (r = mx[l]); i++) r[y] = fn(r[y], i);
 
@@ -42,9 +41,8 @@ return mx;
 function columnIterate(mx, fn, l) {
-  const {
+  l = l || mx && mx.length;
+
+  for (let i = 0, {
     y,
     data
-  } = this;
-  l = l || mx && mx.length;
-
-  for (let i = 0; i < l; i++) fn.call(data, mx[i][y], i);
+  } = this; i < l; i++) fn.call(data, mx[i][y], i);
 }
@@ -66,12 +64,11 @@ /**
 
-function columnMapper$1(mx, fn, l) {
-  const {
-    y
-  } = this;
+function columnMapperDuplicate(mx, fn, l) {
   l = l || mx && mx.length;
   const mt = Array(l);
 
-  for (let r; --l >= 0 && (r = mx[l].slice());) {
-    r[y] = fn(r[y], l);
-    mt[l] = r;
+  for (let i = 0, r, {
+    y
+  } = this; i < l; i++) {
+    mt[i] = r = mx[i].slice();
+    r[y] = fn(r[y], i);
   }
@@ -81,5 +78,16 @@
 }
+function columnMapper$1(mx, fn, l) {
+  l = l || mx && mx.length;
+  const vec = Array(l);
+
+  for (let i = 0, {
+    y
+  } = this; i < l; i++) vec[i] = fn(mx[i][y], i);
+
+  return vec;
+}
 /**
  * Return a mapper function that iterate through each element in column indexed by 'y'.
  * @param {number} y
+ * @param {boolean=true} [duplicate]  - true if duplicate original matrix form
  * @returns {function(*[][],function(*):*,[number]):*[][]}
@@ -89,4 +97,6 @@ * @constructor
 
-const ColumnMapper = y => columnMapper$1.bind({
+const ColumnMapper = (y, duplicate = true) => duplicate ? columnMapperDuplicate.bind({
   y
+}) : columnMapper$1.bind({
+  y
 });
@@ -93,0 +103,0 @@

dist/index.esm.js

@@ -12,8 +12,7 @@ const iterate = function (mx, y, fn, l) {
 function columnMutate(mx, fn, l) {
-  const {
-    y
-  } = this;
   l = l || mx && mx.length;
 
-  for (let r; --l >= 0 && (r = mx[l]);) r[y] = fn(r[y], l);
+  for (let i = 0, r, {
+    y
+  } = this; i < l && (r = mx[l]); i++) r[y] = fn(r[y], i);
 
@@ -38,9 +37,8 @@ return mx;
 function columnIterate(mx, fn, l) {
-  const {
+  l = l || mx && mx.length;
+
+  for (let i = 0, {
     y,
     data
-  } = this;
-  l = l || mx && mx.length;
-
-  for (let i = 0; i < l; i++) fn.call(data, mx[i][y], i);
+  } = this; i < l; i++) fn.call(data, mx[i][y], i);
 }
@@ -62,12 +60,11 @@ /**
 
-function columnMapper$1(mx, fn, l) {
-  const {
-    y
-  } = this;
+function columnMapperDuplicate(mx, fn, l) {
   l = l || mx && mx.length;
   const mt = Array(l);
 
-  for (let r; --l >= 0 && (r = mx[l].slice());) {
-    r[y] = fn(r[y], l);
-    mt[l] = r;
+  for (let i = 0, r, {
+    y
+  } = this; i < l; i++) {
+    mt[i] = r = mx[i].slice();
+    r[y] = fn(r[y], i);
   }
@@ -77,5 +74,16 @@
 }
+function columnMapper$1(mx, fn, l) {
+  l = l || mx && mx.length;
+  const vec = Array(l);
+
+  for (let i = 0, {
+    y
+  } = this; i < l; i++) vec[i] = fn(mx[i][y], i);
+
+  return vec;
+}
 /**
  * Return a mapper function that iterate through each element in column indexed by 'y'.
  * @param {number} y
+ * @param {boolean=true} [duplicate]  - true if duplicate original matrix form
  * @returns {function(*[][],function(*):*,[number]):*[][]}
@@ -85,6 +93,8 @@ * @constructor
 
-const ColumnMapper = y => columnMapper$1.bind({
+const ColumnMapper = (y, duplicate = true) => duplicate ? columnMapperDuplicate.bind({
   y
+}) : columnMapper$1.bind({
+  y
 });
 
 export { ColumnIterate, ColumnMapper, ColumnMutate, iterate, mapper, mutate };

package.json

 {
   "name": "@vect/column-mapper",
-  "version": "0.0.24",
+  "version": "0.0.25",
   "description": "A debugging tool",
@@ -33,3 +33,3 @@ "main": "dist/index.cjs.js",
   "homepage": "https://github.com/hoyeungw/vect#readme",
-  "gitHead": "859849f307eddefac80bc064722d1816f2f930ad"
+  "gitHead": "8c6ddf6bb50856583cdc81f29000f6303217f5da"
 }

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Improved metrics

Total package byte prevSize

7649

increased by9.26%

Lines of code

163

increased by10.88%

No dependency changes