planning

node_modules/ol/TileCache.js

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+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+/**
+ * @module ol/TileCache
+ */
+import LRUCache from './structs/LRUCache.js';
+import { fromKey, getKey } from './tilecoord.js';
+var TileCache = /** @class */ (function (_super) {
+    __extends(TileCache, _super);
+    function TileCache() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    /**
+     * @param {!Object<string, boolean>} usedTiles Used tiles.
+     */
+    TileCache.prototype.expireCache = function (usedTiles) {
+        while (this.canExpireCache()) {
+            var tile = this.peekLast();
+            if (tile.getKey() in usedTiles) {
+                break;
+            }
+            else {
+                this.pop().release();
+            }
+        }
+    };
+    /**
+     * Prune all tiles from the cache that don't have the same z as the newest tile.
+     */
+    TileCache.prototype.pruneExceptNewestZ = function () {
+        if (this.getCount() === 0) {
+            return;
+        }
+        var key = this.peekFirstKey();
+        var tileCoord = fromKey(key);
+        var z = tileCoord[0];
+        this.forEach(function (tile) {
+            if (tile.tileCoord[0] !== z) {
+                this.remove(getKey(tile.tileCoord));
+                tile.release();
+            }
+        }.bind(this));
+    };
+    return TileCache;
+}(LRUCache));
+export default TileCache;
+//# sourceMappingURL=TileCache.js.map