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20220330_Vote/Ewide.Web.Entry/wwwroot/lib/xe-utils/objectMap.js

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+var each = require('./each')
+var isFunction = require('./isFunction')
+var property = require('./property')
+
+/**
+  * 指定方法后的返回值组成的新对象
+  *
+  * @param {Object} obj 对象/数组
+  * @param {Function} iterate(item, index, obj) 回调
+  * @param {Object} context 上下文
+  * @return {Object}
+  */
+function objectMap (obj, iterate, context) {
+  var result = {}
+  if (obj) {
+    if (iterate) {
+      if (!isFunction(iterate)) {
+        iterate = property(iterate)
+      }
+      each(obj, function (val, index) {
+        result[index] = iterate.call(context, val, index, obj)
+      })
+    } else {
+      return obj
+    }
+  }
+  return result
+}
+
+module.exports = objectMap