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Mark the layers property as optional in OverviewMap constructor

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This commit is contained in:
Frederic Junod
2019-06-03 09:07:01 +02:00
parent 9672142c1e
commit a9e1ebccd3
1 changed files with 3 additions and 3 deletions
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6
src/ol/control/OverviewMap.js
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@@ -51,8 +51,8 @@ class ControlledMap extends PluggableMap {
* @property {boolean} [collapsible=true] Whether the control can be collapsed or not.
* @property {string|HTMLElement} [label='»'] Text label to use for the collapsed
* overviewmap button. Instead of text, also an element (e.g. a `span` element) can be used.
* @property {Array<import("../layer/Layer.js").default>|import("../Collection.js").default<import("../layer/Layer.js").default>} layers
* Layers for the overview map (mandatory).
* @property {Array<import("../layer/Layer.js").default>|import("../Collection.js").default<import("../layer/Layer.js").default>} [layers]
* Layers for the overview map.
* @property {function(import("../MapEvent.js").default)} [render] Function called when the control
* should be re-rendered. This is called in a `requestAnimationFrame` callback.
* @property {HTMLElement|string} [target] Specify a target if you want the control
@@ -76,7 +76,7 @@ class OverviewMap extends Control {
*/
constructor(opt_options) {
const options = opt_options ? opt_options : /** @type {Options} */ ({});
const options = opt_options ? opt_options : {};
super({
element: document.createElement('div'),