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node_modules/pixi.js/lib/extensions/Extensions.mjs

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+"use strict";
+var ExtensionType = /* @__PURE__ */ ((ExtensionType2) => {
+  ExtensionType2["Application"] = "application";
+  ExtensionType2["WebGLPipes"] = "webgl-pipes";
+  ExtensionType2["WebGLPipesAdaptor"] = "webgl-pipes-adaptor";
+  ExtensionType2["WebGLSystem"] = "webgl-system";
+  ExtensionType2["WebGPUPipes"] = "webgpu-pipes";
+  ExtensionType2["WebGPUPipesAdaptor"] = "webgpu-pipes-adaptor";
+  ExtensionType2["WebGPUSystem"] = "webgpu-system";
+  ExtensionType2["CanvasSystem"] = "canvas-system";
+  ExtensionType2["CanvasPipesAdaptor"] = "canvas-pipes-adaptor";
+  ExtensionType2["CanvasPipes"] = "canvas-pipes";
+  ExtensionType2["Asset"] = "asset";
+  ExtensionType2["LoadParser"] = "load-parser";
+  ExtensionType2["ResolveParser"] = "resolve-parser";
+  ExtensionType2["CacheParser"] = "cache-parser";
+  ExtensionType2["DetectionParser"] = "detection-parser";
+  ExtensionType2["MaskEffect"] = "mask-effect";
+  ExtensionType2["BlendMode"] = "blend-mode";
+  ExtensionType2["TextureSource"] = "texture-source";
+  ExtensionType2["Environment"] = "environment";
+  ExtensionType2["ShapeBuilder"] = "shape-builder";
+  ExtensionType2["Batcher"] = "batcher";
+  return ExtensionType2;
+})(ExtensionType || {});
+const normalizeExtension = (ext) => {
+  if (typeof ext === "function" || typeof ext === "object" && ext.extension) {
+    if (!ext.extension) {
+      throw new Error("Extension class must have an extension object");
+    }
+    const metadata = typeof ext.extension !== "object" ? { type: ext.extension } : ext.extension;
+    ext = { ...metadata, ref: ext };
+  }
+  if (typeof ext === "object") {
+    ext = { ...ext };
+  } else {
+    throw new Error("Invalid extension type");
+  }
+  if (typeof ext.type === "string") {
+    ext.type = [ext.type];
+  }
+  return ext;
+};
+const normalizeExtensionPriority = (ext, defaultPriority) => normalizeExtension(ext).priority ?? defaultPriority;
+const extensions = {
+  /** @ignore */
+  _addHandlers: {},
+  /** @ignore */
+  _removeHandlers: {},
+  /** @ignore */
+  _queue: {},
+  /**
+   * Remove extensions from PixiJS.
+   * @param extensions - Extensions to be removed.
+   * @returns {extensions} For chaining.
+   */
+  remove(...extensions2) {
+    extensions2.map(normalizeExtension).forEach((ext) => {
+      ext.type.forEach((type) => this._removeHandlers[type]?.(ext));
+    });
+    return this;
+  },
+  /**
+   * Register new extensions with PixiJS.
+   * @param extensions - The spread of extensions to add to PixiJS.
+   * @returns {extensions} For chaining.
+   */
+  add(...extensions2) {
+    extensions2.map(normalizeExtension).forEach((ext) => {
+      ext.type.forEach((type) => {
+        const handlers = this._addHandlers;
+        const queue = this._queue;
+        if (!handlers[type]) {
+          queue[type] = queue[type] || [];
+          queue[type]?.push(ext);
+        } else {
+          handlers[type]?.(ext);
+        }
+      });
+    });
+    return this;
+  },
+  /**
+   * Internal method to handle extensions by name.
+   * @param type - The extension type.
+   * @param onAdd  - Function handler when extensions are added/registered {@link StrictExtensionFormat}.
+   * @param onRemove  - Function handler when extensions are removed/unregistered {@link StrictExtensionFormat}.
+   * @returns {extensions} For chaining.
+   */
+  handle(type, onAdd, onRemove) {
+    const addHandlers = this._addHandlers;
+    const removeHandlers = this._removeHandlers;
+    if (addHandlers[type] || removeHandlers[type]) {
+      throw new Error(`Extension type ${type} already has a handler`);
+    }
+    addHandlers[type] = onAdd;
+    removeHandlers[type] = onRemove;
+    const queue = this._queue;
+    if (queue[type]) {
+      queue[type]?.forEach((ext) => onAdd(ext));
+      delete queue[type];
+    }
+    return this;
+  },
+  /**
+   * Handle a type, but using a map by `name` property.
+   * @param type - Type of extension to handle.
+   * @param map - The object map of named extensions.
+   * @returns {extensions} For chaining.
+   */
+  handleByMap(type, map) {
+    return this.handle(
+      type,
+      (extension) => {
+        if (extension.name) {
+          map[extension.name] = extension.ref;
+        }
+      },
+      (extension) => {
+        if (extension.name) {
+          delete map[extension.name];
+        }
+      }
+    );
+  },
+  /**
+   * Handle a type, but using a list of extensions with a `name` property.
+   * @param type - Type of extension to handle.
+   * @param map - The array of named extensions.
+   * @param defaultPriority - Fallback priority if none is defined.
+   * @returns {extensions} For chaining.
+   */
+  handleByNamedList(type, map, defaultPriority = -1) {
+    return this.handle(
+      type,
+      (extension) => {
+        const index = map.findIndex((item) => item.name === extension.name);
+        if (index >= 0)
+          return;
+        map.push({ name: extension.name, value: extension.ref });
+        map.sort((a, b) => normalizeExtensionPriority(b.value, defaultPriority) - normalizeExtensionPriority(a.value, defaultPriority));
+      },
+      (extension) => {
+        const index = map.findIndex((item) => item.name === extension.name);
+        if (index !== -1) {
+          map.splice(index, 1);
+        }
+      }
+    );
+  },
+  /**
+   * Handle a type, but using a list of extensions.
+   * @param type - Type of extension to handle.
+   * @param list - The list of extensions.
+   * @param defaultPriority - The default priority to use if none is specified.
+   * @returns {extensions} For chaining.
+   */
+  handleByList(type, list, defaultPriority = -1) {
+    return this.handle(
+      type,
+      (extension) => {
+        if (list.includes(extension.ref)) {
+          return;
+        }
+        list.push(extension.ref);
+        list.sort((a, b) => normalizeExtensionPriority(b, defaultPriority) - normalizeExtensionPriority(a, defaultPriority));
+      },
+      (extension) => {
+        const index = list.indexOf(extension.ref);
+        if (index !== -1) {
+          list.splice(index, 1);
+        }
+      }
+    );
+  }
+};
+
+export { ExtensionType, extensions, normalizeExtensionPriority };
+//# sourceMappingURL=Extensions.mjs.map