FIN INIT

node_modules/chart.js/dist/helpers/helpers.dom.d.ts

@@ -0,0 +1,48 @@
+import type PrivateChart from '../core/core.controller.js';
+import type { Chart, ChartEvent } from '../types.js';
+/**
+ * @private
+ */
+export declare function _isDomSupported(): boolean;
+/**
+ * @private
+ */
+export declare function _getParentNode(domNode: HTMLCanvasElement): HTMLCanvasElement;
+export declare function getStyle(el: HTMLElement, property: string): string;
+/**
+ * Gets an event's x, y coordinates, relative to the chart area
+ * @param event
+ * @param chart
+ * @returns x and y coordinates of the event
+ */
+export declare function getRelativePosition(event: Event | ChartEvent | TouchEvent | MouseEvent, chart: Chart | PrivateChart): {
+    x: number;
+    y: number;
+};
+export declare function getMaximumSize(canvas: HTMLCanvasElement, bbWidth?: number, bbHeight?: number, aspectRatio?: number): {
+    width: number;
+    height: number;
+};
+/**
+ * @param chart
+ * @param forceRatio
+ * @param forceStyle
+ * @returns True if the canvas context size or transformation has changed.
+ */
+export declare function retinaScale(chart: Chart | PrivateChart, forceRatio: number, forceStyle?: boolean): boolean | void;
+/**
+ * Detects support for options object argument in addEventListener.
+ * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support
+ * @private
+ */
+export declare const supportsEventListenerOptions: boolean;
+/**
+ * The "used" size is the final value of a dimension property after all calculations have
+ * been performed. This method uses the computed style of `element` but returns undefined
+ * if the computed style is not expressed in pixels. That can happen in some cases where
+ * `element` has a size relative to its parent and this last one is not yet displayed,
+ * for example because of `display: none` on a parent node.
+ * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value
+ * @returns Size in pixels or undefined if unknown.
+ */
+export declare function readUsedSize(element: HTMLElement, property: 'width' | 'height'): number | undefined;