ui.leaflet.webpack/directives/decorations.js

Webpack version of ui-leaflet (https://github.com/angular-ui/ui-leaflet)

//angular.module('ui-leaflet').directive("decorations", 
	/** @ngInject */
	module.exports =  [ 'leafletLogger', 'leafletHelpers', 'L', function(leafletLogger, leafletHelpers, L) {
	var $log = leafletLogger;
	return {
		restrict: "A",
		scope: false,
		replace: false,
		require: 'leaflet',

		link: function(scope, element, attrs, controller) {
			var leafletScope = controller.getLeafletScope(),
				PolylineDecoratorPlugin = leafletHelpers.PolylineDecoratorPlugin,
				isDefined = leafletHelpers.isDefined,
				leafletDecorations = {};

			/* Creates an "empty" decoration with a set of coordinates, but no pattern. */
			function createDecoration(options) {
				if (isDefined(options) && isDefined(options.coordinates)) {
					if (!PolylineDecoratorPlugin.isLoaded()) {
						$log.error('[AngularJS - Leaflet] The PolylineDecorator Plugin is not loaded.');
					}
				}

				return L.polylineDecorator(options.coordinates);
			}

			/* Updates the path and the patterns for the provided decoration, and returns the decoration. */
			function setDecorationOptions(decoration, options) {
				if (isDefined(decoration) && isDefined(options)) {
					if (isDefined(options.coordinates) && isDefined(options.patterns)) {
						decoration.setPaths(options.coordinates);
						decoration.setPatterns(options.patterns);
						return decoration;
					}
				}
			}

			controller.getMap().then(function(map) {
				leafletScope.$watch("decorations", function(newDecorations) {
					for (var name in leafletDecorations) {
						if (!isDefined(newDecorations[name]) || !angular.equals(newDecorations[name], leafletDecorations)) {
							map.removeLayer(leafletDecorations[name]);
							delete leafletDecorations[name];
						}
					}

					for (var newName in newDecorations) {
						var decorationData = newDecorations[newName],
							newDecoration = createDecoration(decorationData);

						if (isDefined(newDecoration)) {
							leafletDecorations[newName] = newDecoration;
							map.addLayer(newDecoration);
							setDecorationOptions(newDecoration, decorationData);
						}
					}
				}, true);
			});
		}
	};
	}];