xmcommon - npm Package Compare versions

Comparing version 0.1.1 to 0.1.2

lib/utils.js

@@ -560,31 +560,40 @@ const _ = require("lodash");
     }
+
     /**
-     * 将数字转换为百分比的字符串
-     * - 精确到0.01%
-     * @param {number} paramValue 要格式化的值
-     * @param {string} paramDefault 无效值后，返回的字符串
-     * @return {string} 格式化的百分比字符串
-     *  - 对于paramValue为null或undefined
+     * 百分之一，最低精度支持到0.0001% 超过的部分四舍五入
+     * @param {number | string} paramValue
+     * @return {number} round后的值
      */
-    static formatPercentage(paramValue, paramDefault = '0.00%') {
+    static roundPercentage(paramValue) {
+        const minNumber = 1000000;
+        const PercentNumber = 100;
+
         if (paramValue === null || paramValue === undefined) {
-            return paramDefault;
+            return 0;
         }
+        let v = 0;
+        if (typeof paramValue === 'string') {
+            v = Math.round(Number.parseFloat(paramValue) * 10000);
+        } else if(this.isNumber(paramValue)) {
+            v = paramValue;
+        }
+        // 不是指定类型，视为0
 
-        let n = '';
-        let v = Math.round(Number.parseFloat(paramValue) * 10000);
         if (Number.isNaN(v)) {
-            return paramDefault;
+            return 0;
         }
-
-        if (v < 0) {
-            // 如果是小于0的数
-            n = '-';
-            v = Math.abs(v);
-        }
-        let lowNumber = (v % 100).toString().padStart(2, '0');
-        let highNumber = ((v - lowNumber) / 100).toString().padStart(1, '0');
-
-        return [n, highNumber, '.', lowNumber, '%'].join('');
+        v *= minNumber;
+        return Math.round(v) / (minNumber / PercentNumber);
     }
+    /**
+     * 将数字转换为百分比的字符串
+     * - 精确到0.01%
+     * @param {number | string} paramValue 要格式化的值
+     * @param {string} paramDefault 无效值后，返回的字符串
+     * @return {string} 格式化的百分比字符串
+     *  - 对于paramValue为null或undefined
+     */
+    static formatPercentage(paramValue) {
+        return this.roundPercentage(paramValue).toString() + '%';
+    }
 
@@ -591,0 +600,0 @@ /**

package.json

 {
     "name": "xmcommon",
-    "version": "0.1.1",
+    "version": "0.1.2",
     "description": "javascript common lib for es6",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

@@ -34,2 +34,8 @@ # xmcommon
 
+## 0.1.2
+
+- 2019-07-20
+- \* 优化utils.formatPercentage生成成
+- \+ 增加utils.roundPercentage，将百分比的值精度控制到 0.0001%
+
 ## 0.1.1
@@ -36,0 +42,0 @@

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

136794

increased by0.3%

Lines of code

3966

increased by0.23%

Number of lines in readme file

217

increased by2.84%

No dependency changes