Code coverage report for dnd-core/modules/DragDropMonitor.js

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"use strict";
 
var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
 
var _classCallCheck = function (instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
 
var invariant = _interopRequire(require("invariant"));
 
var isArray = _interopRequire(require("lodash/lang/isArray"));
 
function matchesType(targetType, draggedItemType) {
  if (isArray(targetType)) {
    return targetType.some(function (t) {
      return t === draggedItemType;
    });
  } else {
    return targetType === draggedItemType;
  }
}
 
var DragDropMonitor = (function () {
  function DragDropMonitor(flux, registry) {
    _classCallCheck(this, DragDropMonitor);
 
    this.dragOperationStore = flux.dragOperationStore;
    this.registry = registry;
  }
 
  DragDropMonitor.prototype.addChangeListener = function addChangeListener(listener, context) {
    this.dragOperationStore.addListener("change", listener, context);
  };
 
  DragDropMonitor.prototype.removeChangeListener = function removeChangeListener(listener, context) {
    this.dragOperationStore.removeListener("change", listener, context);
  };
 
  DragDropMonitor.prototype.canDrag = function canDrag(sourceHandle) {
    var source = this.registry.getSource(sourceHandle);
    invariant(source, "Expected to find a valid source.");
 
    if (this.isDragging()) {
      return false;
    }
 
    return source.canDrag(this, sourceHandle);
  };
 
  DragDropMonitor.prototype.canDrop = function canDrop(targetHandle) {
    var target = this.registry.getTarget(targetHandle);
    invariant(target, "Expected to find a valid target.");
 
    if (!this.isDragging() || this.didDrop()) {
      return false;
    }
 
    var targetType = this.registry.getTargetType(targetHandle);
    var draggedItemType = this.getItemType();
    return matchesType(targetType, draggedItemType) && target.canDrop(this, targetHandle);
  };
 
  DragDropMonitor.prototype.isDragging = function isDragging(sourceHandle) {
    var isDragging = this.dragOperationStore.isDragging();
    if (!isDragging || typeof sourceHandle === "undefined") {
      return isDragging;
    }
 
    var sourceType = this.registry.getSourceType(sourceHandle);
    var draggedItemType = this.getItemType();
    if (sourceType !== draggedItemType) {
      return false;
    }
 
    var source = this.registry.getSource(sourceHandle, true);
    if (!source) {
      return false;
    }
 
    return source.isDragging(this, sourceHandle);
  };
 
  DragDropMonitor.prototype.isOver = function isOver(targetHandle) {
    var shallow = arguments[1] === undefined ? false : arguments[1];
 
    var targetHandles = this.getTargetHandles();
    if (!targetHandles.length) {
      return false;
    }
 
    var index = targetHandles.indexOf(targetHandle);
    if (shallow) {
      return index === targetHandles.length - 1;
    } else {
      return index > -1;
    }
  };
 
  DragDropMonitor.prototype.getItemType = function getItemType() {
    return this.dragOperationStore.getItemType();
  };
 
  DragDropMonitor.prototype.getItem = function getItem() {
    return this.dragOperationStore.getItem();
  };
 
  DragDropMonitor.prototype.getSourceHandle = function getSourceHandle() {
    return this.dragOperationStore.getSourceHandle();
  };
 
  DragDropMonitor.prototype.getTargetHandles = function getTargetHandles() {
    return this.dragOperationStore.getTargetHandles();
  };
 
  DragDropMonitor.prototype.getDropResult = function getDropResult() {
    return this.dragOperationStore.getDropResult();
  };
 
  DragDropMonitor.prototype.didDrop = function didDrop() {
    return this.dragOperationStore.didDrop();
  };
 
  return DragDropMonitor;
})();
 
module.exports = DragDropMonitor;
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