nhz.lib/dist/mixin/child.js

NHZ Library

/* mixin.Child */
var Child,
  extend = require("extends__"),
  hasProp = {}.hasOwnProperty;

module.exports = Child = (function(superClass) {
  extend(Child, superClass);

  function Child() {
    Object.defineProperties(this, {
      parent: {
        configurable: true,
        enumerable: true,
        get: function() {
          return this.___parent;
        },
        set: (function(_this) {
          return function(value) {
            var parent;
            parent = _this.___parent;
            if (value != null) {
              if (value !== parent && value.___is_parent) {
                _this.___parent = null;
                if (parent != null) {
                  if (typeof parent.removeChild === "function") {
                    parent.removeChild(_this);
                  }
                }
                _this.___parent = value;
                if (typeof value.appendChild === "function") {
                  value.appendChild(_this);
                }
              }
            } else {
              _this.___parent = null;
              if (parent != null) {
                if (typeof parent.removeChild === "function") {
                  parent.removeChild(_this);
                }
              }
            }
            return _this.___parent;
          };
        })(this)
      },
      previousSibling: {
        configurable: true,
        enumerable: true,
        get: function() {
          var parent;
          if (parent = this.___parent) {
            return typeof parent.previousChild === "function" ? parent.previousChild(this) : void 0;
          } else {
            return null;
          }
        }
      },
      nextSibling: {
        configurable: true,
        enumerable: true,
        get: function() {
          var parent;
          if (parent = this.___parent) {
            return typeof parent.nextChild === "function" ? parent.nextChild(this) : void 0;
          } else {
            return null;
          }
        }
      },
      ___is_child: {
        configurable: false,
        enumerable: false,
        writable: false,
        value: true
      },
      ___parent: {
        configurable: false,
        enumerable: false,
        writable: true,
        value: null
      }
    });
  }

  Child.prototype.replaceWith = function(child) {
    var parent;
    if (child && child !== this && child.___is_child && this.___parent) {
      if (this.___parent !== (parent = child.___parent)) {
        child.___parent = null;
        if (parent != null) {
          if (typeof parent.removeChild === "function") {
            parent.removeChild(child);
          }
        }
        parent = child.___parent = this.___parent;
        this.___parent = null;
        if (typeof parent.replaceChild === "function") {
          parent.replaceChild(this, child);
        }
      }
    }
    return this;
  };

  Child.prototype.remove = function() {
    var parent;
    if (parent = this.___parent) {
      this.___parent = null;
      if (typeof parent.removeChild === "function") {
        parent.removeChild(this);
      }
    }
    return this;
  };

  return Child;

})(require('./base'));