chushihua

node_modules/element-ui/lib/utils/util.js

@@ -0,0 +1,138 @@
+'use strict';
+
+exports.__esModule = true;
+exports.isEdge = exports.isIE = exports.coerceTruthyValueToArray = exports.arrayFind = exports.arrayFindIndex = exports.escapeRegexpString = exports.valueEquals = exports.generateId = exports.getValueByPath = undefined;
+exports.noop = noop;
+exports.hasOwn = hasOwn;
+exports.toObject = toObject;
+exports.getPropByPath = getPropByPath;
+
+var _vue = require('vue');
+
+var _vue2 = _interopRequireDefault(_vue);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+function noop() {};
+
+function hasOwn(obj, key) {
+  return hasOwnProperty.call(obj, key);
+};
+
+function extend(to, _from) {
+  for (var key in _from) {
+    to[key] = _from[key];
+  }
+  return to;
+};
+
+function toObject(arr) {
+  var res = {};
+  for (var i = 0; i < arr.length; i++) {
+    if (arr[i]) {
+      extend(res, arr[i]);
+    }
+  }
+  return res;
+};
+
+var getValueByPath = exports.getValueByPath = function getValueByPath(object, prop) {
+  prop = prop || '';
+  var paths = prop.split('.');
+  var current = object;
+  var result = null;
+  for (var i = 0, j = paths.length; i < j; i++) {
+    var path = paths[i];
+    if (!current) break;
+
+    if (i === j - 1) {
+      result = current[path];
+      break;
+    }
+    current = current[path];
+  }
+  return result;
+};
+
+function getPropByPath(obj, path, strict) {
+  var tempObj = obj;
+  path = path.replace(/\[(\w+)\]/g, '.$1');
+  path = path.replace(/^\./, '');
+
+  var keyArr = path.split('.');
+  var i = 0;
+  for (var len = keyArr.length; i < len - 1; ++i) {
+    if (!tempObj && !strict) break;
+    var key = keyArr[i];
+    if (key in tempObj) {
+      tempObj = tempObj[key];
+    } else {
+      if (strict) {
+        throw new Error('please transfer a valid prop path to form item!');
+      }
+      break;
+    }
+  }
+  return {
+    o: tempObj,
+    k: keyArr[i],
+    v: tempObj ? tempObj[keyArr[i]] : null
+  };
+};
+
+var generateId = exports.generateId = function generateId() {
+  return Math.floor(Math.random() * 10000);
+};
+
+var valueEquals = exports.valueEquals = function valueEquals(a, b) {
+  // see: https://stackoverflow.com/questions/3115982/how-to-check-if-two-arrays-are-equal-with-javascript
+  if (a === b) return true;
+  if (!(a instanceof Array)) return false;
+  if (!(b instanceof Array)) return false;
+  if (a.length !== b.length) return false;
+  for (var i = 0; i !== a.length; ++i) {
+    if (a[i] !== b[i]) return false;
+  }
+  return true;
+};
+
+var escapeRegexpString = exports.escapeRegexpString = function escapeRegexpString() {
+  var value = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
+  return String(value).replace(/[|\\{}()[\]^$+*?.]/g, '\\$&');
+};
+
+// TODO: use native Array.find, Array.findIndex when IE support is dropped
+var arrayFindIndex = exports.arrayFindIndex = function arrayFindIndex(arr, pred) {
+  for (var i = 0; i !== arr.length; ++i) {
+    if (pred(arr[i])) {
+      return i;
+    }
+  }
+  return -1;
+};
+
+var arrayFind = exports.arrayFind = function arrayFind(arr, pred) {
+  var idx = arrayFindIndex(arr, pred);
+  return idx !== -1 ? arr[idx] : undefined;
+};
+
+// coerce truthy value to array
+var coerceTruthyValueToArray = exports.coerceTruthyValueToArray = function coerceTruthyValueToArray(val) {
+  if (Array.isArray(val)) {
+    return val;
+  } else if (val) {
+    return [val];
+  } else {
+    return [];
+  }
+};
+
+var isIE = exports.isIE = function isIE() {
+  return !_vue2.default.prototype.$isServer && !isNaN(Number(document.documentMode));
+};
+
+var isEdge = exports.isEdge = function isEdge() {
+  return !_vue2.default.prototype.$isServer && navigator.userAgent.indexOf('Edge') > -1;
+};