import {
  assert
} from "./chunk-QFCIXVZ3.js";
import {
  clamp
} from "./chunk-54BTDBAD.js";
import {
  Object_default,
  abstract
} from "./chunk-Q5ZULJHM.js";

// node_modules/ol/layer/Property.js
var Property_default = {
  OPACITY: "opacity",
  VISIBLE: "visible",
  EXTENT: "extent",
  Z_INDEX: "zIndex",
  MAX_RESOLUTION: "maxResolution",
  MIN_RESOLUTION: "minResolution",
  MAX_ZOOM: "maxZoom",
  MIN_ZOOM: "minZoom",
  SOURCE: "source",
  MAP: "map"
};

// node_modules/ol/layer/Base.js
var BaseLayer = class extends Object_default {
  /**
   * @param {Options} options Layer options.
   */
  constructor(options) {
    super();
    this.on;
    this.once;
    this.un;
    this.background_ = options.background;
    const properties = Object.assign({}, options);
    if (typeof options.properties === "object") {
      delete properties.properties;
      Object.assign(properties, options.properties);
    }
    properties[Property_default.OPACITY] = options.opacity !== void 0 ? options.opacity : 1;
    assert(
      typeof properties[Property_default.OPACITY] === "number",
      "Layer opacity must be a number"
    );
    properties[Property_default.VISIBLE] = options.visible !== void 0 ? options.visible : true;
    properties[Property_default.Z_INDEX] = options.zIndex;
    properties[Property_default.MAX_RESOLUTION] = options.maxResolution !== void 0 ? options.maxResolution : Infinity;
    properties[Property_default.MIN_RESOLUTION] = options.minResolution !== void 0 ? options.minResolution : 0;
    properties[Property_default.MIN_ZOOM] = options.minZoom !== void 0 ? options.minZoom : -Infinity;
    properties[Property_default.MAX_ZOOM] = options.maxZoom !== void 0 ? options.maxZoom : Infinity;
    this.className_ = properties.className !== void 0 ? properties.className : "ol-layer";
    delete properties.className;
    this.setProperties(properties);
    this.state_ = null;
  }
  /**
   * Get the background for this layer.
   * @return {BackgroundColor|false} Layer background.
   */
  getBackground() {
    return this.background_;
  }
  /**
   * @return {string} CSS class name.
   */
  getClassName() {
    return this.className_;
  }
  /**
   * This method is not meant to be called by layers or layer renderers because the state
   * is incorrect if the layer is included in a layer group.
   *
   * @param {boolean} [managed] Layer is managed.
   * @return {import("./Layer.js").State} Layer state.
   */
  getLayerState(managed) {
    const state = this.state_ || /** @type {?} */
    {
      layer: this,
      managed: managed === void 0 ? true : managed
    };
    const zIndex = this.getZIndex();
    state.opacity = clamp(Math.round(this.getOpacity() * 100) / 100, 0, 1);
    state.visible = this.getVisible();
    state.extent = this.getExtent();
    state.zIndex = zIndex === void 0 && !state.managed ? Infinity : zIndex;
    state.maxResolution = this.getMaxResolution();
    state.minResolution = Math.max(this.getMinResolution(), 0);
    state.minZoom = this.getMinZoom();
    state.maxZoom = this.getMaxZoom();
    this.state_ = state;
    return state;
  }
  /**
   * @abstract
   * @param {Array<import("./Layer.js").default>} [array] Array of layers (to be
   *     modified in place).
   * @return {Array<import("./Layer.js").default>} Array of layers.
   */
  getLayersArray(array) {
    return abstract();
  }
  /**
   * @abstract
   * @param {Array<import("./Layer.js").State>} [states] Optional list of layer
   *     states (to be modified in place).
   * @return {Array<import("./Layer.js").State>} List of layer states.
   */
  getLayerStatesArray(states) {
    return abstract();
  }
  /**
   * Return the {@link module:ol/extent~Extent extent} of the layer or `undefined` if it
   * will be visible regardless of extent.
   * @return {import("../extent.js").Extent|undefined} The layer extent.
   * @observable
   * @api
   */
  getExtent() {
    return (
      /** @type {import("../extent.js").Extent|undefined} */
      this.get(Property_default.EXTENT)
    );
  }
  /**
   * Return the maximum resolution of the layer. Returns Infinity if
   * the layer has no maximum resolution set.
   * @return {number} The maximum resolution of the layer.
   * @observable
   * @api
   */
  getMaxResolution() {
    return (
      /** @type {number} */
      this.get(Property_default.MAX_RESOLUTION)
    );
  }
  /**
   * Return the minimum resolution of the layer. Returns 0 if
   * the layer has no minimum resolution set.
   * @return {number} The minimum resolution of the layer.
   * @observable
   * @api
   */
  getMinResolution() {
    return (
      /** @type {number} */
      this.get(Property_default.MIN_RESOLUTION)
    );
  }
  /**
   * Return the minimum zoom level of the layer. Returns -Infinity if
   * the layer has no minimum zoom set.
   * @return {number} The minimum zoom level of the layer.
   * @observable
   * @api
   */
  getMinZoom() {
    return (
      /** @type {number} */
      this.get(Property_default.MIN_ZOOM)
    );
  }
  /**
   * Return the maximum zoom level of the layer. Returns Infinity if
   * the layer has no maximum zoom set.
   * @return {number} The maximum zoom level of the layer.
   * @observable
   * @api
   */
  getMaxZoom() {
    return (
      /** @type {number} */
      this.get(Property_default.MAX_ZOOM)
    );
  }
  /**
   * Return the opacity of the layer (between 0 and 1).
   * @return {number} The opacity of the layer.
   * @observable
   * @api
   */
  getOpacity() {
    return (
      /** @type {number} */
      this.get(Property_default.OPACITY)
    );
  }
  /**
   * @abstract
   * @return {import("../source/Source.js").State} Source state.
   */
  getSourceState() {
    return abstract();
  }
  /**
   * Return the value of this layer's `visible` property. To find out whether the layer
   * is visible on a map, use `isVisible()` instead.
   * @return {boolean} The value of the `visible` property of the layer.
   * @observable
   * @api
   */
  getVisible() {
    return (
      /** @type {boolean} */
      this.get(Property_default.VISIBLE)
    );
  }
  /**
   * Return the Z-index of the layer, which is used to order layers before
   * rendering. Returns undefined if the layer is unmanaged.
   * @return {number|undefined} The Z-index of the layer.
   * @observable
   * @api
   */
  getZIndex() {
    return (
      /** @type {number|undefined} */
      this.get(Property_default.Z_INDEX)
    );
  }
  /**
   * Sets the background color.
   * @param {BackgroundColor} [background] Background color.
   */
  setBackground(background) {
    this.background_ = background;
    this.changed();
  }
  /**
   * Set the extent at which the layer is visible.  If `undefined`, the layer
   * will be visible at all extents.
   * @param {import("../extent.js").Extent|undefined} extent The extent of the layer.
   * @observable
   * @api
   */
  setExtent(extent) {
    this.set(Property_default.EXTENT, extent);
  }
  /**
   * Set the maximum resolution at which the layer is visible.
   * @param {number} maxResolution The maximum resolution of the layer.
   * @observable
   * @api
   */
  setMaxResolution(maxResolution) {
    this.set(Property_default.MAX_RESOLUTION, maxResolution);
  }
  /**
   * Set the minimum resolution at which the layer is visible.
   * @param {number} minResolution The minimum resolution of the layer.
   * @observable
   * @api
   */
  setMinResolution(minResolution) {
    this.set(Property_default.MIN_RESOLUTION, minResolution);
  }
  /**
   * Set the maximum zoom (exclusive) at which the layer is visible.
   * Note that the zoom levels for layer visibility are based on the
   * view zoom level, which may be different from a tile source zoom level.
   * @param {number} maxZoom The maximum zoom of the layer.
   * @observable
   * @api
   */
  setMaxZoom(maxZoom) {
    this.set(Property_default.MAX_ZOOM, maxZoom);
  }
  /**
   * Set the minimum zoom (inclusive) at which the layer is visible.
   * Note that the zoom levels for layer visibility are based on the
   * view zoom level, which may be different from a tile source zoom level.
   * @param {number} minZoom The minimum zoom of the layer.
   * @observable
   * @api
   */
  setMinZoom(minZoom) {
    this.set(Property_default.MIN_ZOOM, minZoom);
  }
  /**
   * Set the opacity of the layer, allowed values range from 0 to 1.
   * @param {number} opacity The opacity of the layer.
   * @observable
   * @api
   */
  setOpacity(opacity) {
    assert(typeof opacity === "number", "Layer opacity must be a number");
    this.set(Property_default.OPACITY, opacity);
  }
  /**
   * Set the visibility of the layer (`true` or `false`).
   * @param {boolean} visible The visibility of the layer.
   * @observable
   * @api
   */
  setVisible(visible) {
    this.set(Property_default.VISIBLE, visible);
  }
  /**
   * Set Z-index of the layer, which is used to order layers before rendering.
   * The default Z-index is 0.
   * @param {number} zindex The z-index of the layer.
   * @observable
   * @api
   */
  setZIndex(zindex) {
    this.set(Property_default.Z_INDEX, zindex);
  }
  /**
   * Clean up.
   * @override
   */
  disposeInternal() {
    if (this.state_) {
      this.state_.layer = null;
      this.state_ = null;
    }
    super.disposeInternal();
  }
};
var Base_default = BaseLayer;

export {
  Property_default,
  Base_default
};
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