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

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+var isArray = require('./isArray')
+var arrayEach = require('./arrayEach')
+
+function flattenDeep (array, deep) {
+  var result = []
+  arrayEach(array, function (vals) {
+    result = result.concat(isArray(vals) ? (deep ? flattenDeep(vals, deep) : vals) : [vals])
+  })
+  return result
+}
+
+/**
+  * 将一个多维数组铺平
+  * @param {Array} array 数组
+  * @param {Boolean} deep 是否深层
+  * @return {Array}
+  */
+function flatten (array, deep) {
+  if (isArray(array)) {
+    return flattenDeep(array, deep)
+  }
+  return []
+}
+
+module.exports = flatten