--- a/src/djol/DynamicStyle.js	Wed Jun 05 17:44:17 2019 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,119 +0,0 @@
-define([ "./declare-style", "dojo/_base/declare", "ol", "implab/safe" ],
-
-function(declare, dojoDeclare, ol, safe) {
-    return declare([], {
-        _cache : null,
-        _getKey : null,
-        _getZoom : null,
-        
-        defaultStyle : null,
-        
-        style : null,
-        
-        styleFunction : null,
-        
-        filter : null,
-
-        constructor : function(opts) {
-            if (opts)
-                dojoDeclare.safeMixin(this, opts);
-
-            this._cache = {};
-
-            if (this.zoom) {
-                if (this.zoom instanceof Function) {
-                    this._getZoom = this.zoom;
-                } else {
-                    var levels = [], max = "max";
-                    for ( var p in this.zoom) {
-                        if (safe.isNumber(this.zoom[p]))
-                            levels.push({
-                                name : p,
-                                zoom : Number(this.zoom[p])
-                            });
-                        else if (this.zoom[p] == "max")
-                            max = p;
-                    }
-
-                    levels.sort(function(x, y) {
-                        return x.zoom - y.zoom;
-                    });
-
-                    this.zoomMax = max;
-                    this.zoomLevels = levels;
-
-                    this._getZoom = function(z) {
-                        for (var i = 0; i < levels.length; i++) {
-                            if (z <= levels[i].zoom)
-                                return levels[i].name;
-                        }
-                        return max;
-                    };
-                }
-            } else {
-                this._getZoom = function(z) {
-                    return "max";
-                };
-            }
-
-            if (this.key) {
-                if (this.key instanceof Function) {
-                    this._getKey = this.key;
-                } else if (typeof this.key === "string") {
-                    this._getKey = function(ft) {
-                        return ft.get(this.key);
-                    };
-                } else {
-                    this._getKey = function(ft, z) {
-                        var k = this.key[z];
-                        if (k instanceof Function)
-                            return k.call(this, ft, z);
-                        else if (typeof k == "string")
-                            return ft.get(k);
-                        else
-                            return this.defaultStyle;
-                    };
-                }
-            } else {
-                this._getKey = function() {
-                    return this.defaultStyle;
-                };
-            }
-
-            if (this.style) {
-                if (this.style instanceof Function) {
-                    this._style = this.style;
-                } else {
-                    this._style = function(ft, res, key, zoom) {
-                        var s = this.style[zoom];
-                        return s && (s instanceof Function) ? s.apply(
-                            this,
-                            arguments) : s;
-                    };
-                }
-            }
-        },
-
-        getFeatureStyle : function(ft, res) {
-            safe.argumentNotNull(ft, "ft");
-            
-            if (this.filter && this.filter(ft) === false)
-                return null;
-
-            var z = this._getZoom(res);
-            var k = this._getKey(ft, z);
-
-            var cid = [ k, z ].join('-');
-
-            var style = this._cache[cid];
-            if (!style) {
-                style = this._style ? this._style(ft, res, k, z) : null;
-                this._cache[cid] = style;
-            }
-
-
-            return safe.isNull(style) || style instanceof Array ? style : [ style ];
-        }
-
-    });
-});
\ No newline at end of file