fabric/dist/src/controls/wrapWithFireEvent.mjs

Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.

import { fireEvent } from './fireEvent.mjs';
import { commonEventInfo } from './util.mjs';

/**
 * Wrap an action handler with firing an event if the action is performed
 * @param {TModificationEvents} eventName the event we want to fire
 * @param {TransformActionHandler<T>} actionHandler the function to wrap
 * @param {object} extraEventInfo extra information to pas to the event handler
 * @return {TransformActionHandler<T>} a function with an action handler signature
 */
const wrapWithFireEvent = (eventName, actionHandler, extraEventInfo) => {
  return (eventData, transform, x, y) => {
    const actionPerformed = actionHandler(eventData, transform, x, y);
    if (actionPerformed) {
      fireEvent(eventName, {
        ...commonEventInfo(eventData, transform, x, y),
        ...extraEventInfo
      });
    }
    return actionPerformed;
  };
};

export { wrapWithFireEvent };
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