增加Number.parse方法

History.md

@@ -1,3 +1,8 @@
+1.1.0 / 2018-06-29
+==================
+  * add Number.parse
+
+
 1.0.1 / 2018-05-25
 ==================
   * delete global extends

Readme.md

@@ -8,7 +8,6 @@
 + Obejct
   * empty()
 
-
 + Obejct.prototype
   * merge()
 
@@ -38,6 +37,8 @@
   * padEnd()
 
 
++ Number
+  * parse()
 
     
 

index.js

@@ -10,5 +10,6 @@
 require('./lib/object')
 require('./lib/array')
 require('./lib/string')
+require('./lib/number')
 require('./lib/date')
 require('./lib/promise')

lib/number.js

@@ -0,0 +1,32 @@
+/**
+ *
+ * @authors yutent (yutent@doui.cc)
+ * @date    2018-06-29 19:29:19
+ * @version $Id$
+ */
+'use strict'
+
+// 简单的数字处理
+// 将安全范围内的数字字符串转为数字类型
+// 否则转为字符串类型
+if (!Number.parse) {
+  Object.defineProperty(Number, 'parse', {
+    value: function(val) {
+      val += ''
+      if (val.startsWith(0) && !val.startsWith('0.')) {
+        return val
+      } else {
+        if (isFinite(val)) {
+          if (
+            val >= Number.MIN_SAFE_INTEGER &&
+            val <= Number.MAX_SAFE_INTEGER
+          ) {
+            val = +val
+          }
+        }
+        return val
+      }
+    },
+    enumerable: false
+  })
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "es.shim",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "Some shim api that let you can use in all node.js environment",
   "keyworks": [
     "es5",