simple-common-utils - npm Package Compare versions

Comparing version 1.1.0 to 1.2.0

js/StaticUtils.js

@@ -150,8 +150,16 @@ export default class StaticUtils {
    
-   static round(value, decimals) {
+   static round(value, decimals, symmetric) {
       // https://stackoverflow.com/questions/11832914/round-to-at-most-2-decimal-places-only-if-necessary
       // MarkG's answer.
       
-      return decimals == undefined ? value : Number(Math.
-         round(value + "e" + decimals) + "e-" + decimals);
+      let result = value;
+      
+      if (decimals != undefined) {
+         const multiplier = !symmetric ? undefined : result < 0 ? -1 : 1;
+         
+         result = Number(Math.round((multiplier ? Math.abs(result) : result) +
+            "e" + decimals) + "e-" + decimals) * (multiplier || 1);
+      }
+      
+      return result;
    }
@@ -158,0 +166,0 @@

package.json

 {
   "name": "simple-common-utils",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "A collection of utility classes.",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

@@ -147,5 +147,5 @@ This is a collection of utility classes used for JS development.
 
-    Rounds `value` to `decimals` digits after the decimal point. Thanks [MarkG](https://stackoverflow.com/questions/11832914/round-to-at-most-2-decimal-places-only-if-necessary)!
+    Rounds `value` to `decimals` digits after the decimal point (thanks, [MarkG](https://stackoverflow.com/questions/11832914/round-to-at-most-2-decimal-places-only-if-necessary)!). `symmetric` is used to achieve the same functionality both for negative and positive numbers.
 
-        StaticUtils.round(value, decimals);
+        StaticUtils.round(value, decimals, symmetric);
 
@@ -157,2 +157,4 @@ StaticUtils.round(10.2); // 10.2
         StaticUtils.round(10.525, 2); // 10.53
+        StaticUtils.round(-1.5, 0); // -1
+        StaticUtils.round(-1.5, 0, true); // -2
 
@@ -236,2 +238,3 @@ - encodedUtf8ToByteArray()
 -|-
+v1.2.0|The parameter `symmetric` is added to `StaticUtils.round()` in a backwards-compatible way.
 v1.1.0|The methods `StaticUtils.deg2Rad()` and `StaticUtils.color()` are added.
@@ -238,0 +241,0 @@ v1.0.0|Initial release.

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Improved metrics

Total package byte prevSize

19184

increased by2.86%

Lines of code

289

increased by1.76%

Number of lines in readme file

240

increased by1.27%

No dependency changes