@atlaskit/editor-common/dist/cjs/hooks/useConstructor.js

A package that contains common classes and components for editor and renderer

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useConstructor;
var _react = require("react");
/**
 *
 * Hook to run code once in a functional component.
 * Emulates the behaviour of a `constructor` in a class component
 * Place this at the top of your functional component so that it is run first.
 *
 * @param callback Callback function to run once
 */
function useConstructor(callback) {
  var hasRun = (0, _react.useRef)(false);
  if (!hasRun.current) {
    callback();
    hasRun.current = true;
  }
}