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/** * Copyright (c) 2017 ~ present NAVER Corp. * billboard.js project is licensed under the MIT license *//** * zoom config options */export default {	/**	 * Set zoom options	 * @name zoom	 * @memberof Options	 * @type {object}	 * @property {object} zoom Zoom object	 * @property {boolean} [zoom.enabled=false] Enable zooming.	 *  - **NOTE:** for ESM imports, needs to import 'zoom' exports and instantiate it by calling `zoom()`.	 *    - `enabled: zoom()`	 * @property {string} [zoom.type='wheel'] Set zoom interaction type.	 *  - **Available types:**	 *    - wheel	 *    - drag	 * @property {boolean} [zoom.rescale=false] Enable to rescale after zooming.<br>	 *  If true set, y domain will be updated according to the zoomed region.	 * @property {Array} [zoom.extent=[1, 10]] Change zoom extent.	 * @property {number|Date} [zoom.x.min] Set x Axis minimum zoom range	 * @property {number|Date} [zoom.x.max] Set x Axis maximum zoom range	 * @property {Function} [zoom.onzoomstart=undefined] Set callback that is called when zooming starts.<br>	 *  Specified function receives the zoom event.	 * @property {Function} [zoom.onzoom=undefined] Set callback that is called when the chart is zooming.<br>	 *  Specified function receives the zoomed domain.	 * @property {Function} [zoom.onzoomend=undefined] Set callback that is called when zooming ends.<br>	 *  Specified function receives the zoomed domain.	 * @property {boolean|object} [zoom.resetButton=true] Set to display zoom reset button for 'drag' type zoom	 * @property {Function} [zoom.resetButton.onclick] Set callback when clicks the reset button. The callback will receive reset button element reference as argument.	 * @property {string} [zoom.resetButton.text='Reset Zoom'] Text value for zoom reset button.	 * @see [Demo:zoom](https://naver.github.io/billboard.js/demo/#Interaction.Zoom)	 * @see [Demo:drag zoom](https://naver.github.io/billboard.js/demo/#Interaction.DragZoom)	 * @example	 *  zoom: {	 *      enabled: true,	 *      type: "drag",	 *      rescale: true,	 *      extent: [1, 100]  // enable more zooming	 *      x: {	 *          min: -1,  // set min range	 *          max: 10  // set max range	 *      },	 *      onzoomstart: function(event) { ... },	 *      onzoom: function(domain) { ... },	 *      onzoomend: function(domain) { ... },	 *	 *      // show reset button when is zoomed-in	 *      resetButton: true,	 *	 *      resetButton: {	 *          // onclick callback when reset button is clicked	 *          onclick: function(button) {	 *            button; // Reset button element reference	 *            ...	 *          },	 *	 *          // customized text value for reset zoom button	 *          text: "Unzoom"	 *      }	 *  }	 * @example	 * // importing ESM	 * import bb, {zoom} from "billboard.js";	 *	 * zoom: {	 *      enabled: zoom(),	 *      ...	 * }	 */	zoom_enabled: <boolean> false,	zoom_type: <"wheel" | "drag"> "wheel",	zoom_extent: <number[]|undefined> undefined,	zoom_privileged: false,	zoom_rescale: false,	zoom_onzoom: <Function|undefined> undefined,	zoom_onzoomstart: <Function|undefined> undefined,	zoom_onzoomend: <Function|undefined> undefined,	zoom_resetButton: <{text: string;}|boolean> true,	zoom_x_min: <Number|Date|undefined> undefined,	zoom_x_max: <Number|Date|undefined> undefined};