gatsby-plugin-smoothscroll/index.js

Polyfilled smooth scrolling behavior and helper function for Gatsby sites.

"use strict";

exports.__esModule = true;
exports["default"] = void 0;

/**
 * Smooth scrolling onClick event handler
 * @param {string} selector argument will be passed to `querySelector`, usually an HTML id
 * @param {string} [blockPosition='start'] argument will be used to determine position where will be scrolled to (start, center, end, nearest)
 * @returns {boolean} false if `document.querySelector` doesn't find a match, otherwise true
 */
var scrollTo = function scrollTo(selector, blockPosition) {
  if (blockPosition === void 0) {
    blockPosition = 'start';
  }

  var element = document.querySelector(selector);

  if (element) {
    element.scrollIntoView({
      behavior: 'smooth',
      block: blockPosition
    });
    return true;
  }

  if (process.env.NODE_ENV !== 'production') {
    console.warn("gatsby-plugin-smoothscroll:\n The selector: '%s' wasn't found in the document.\n Make sure you pass in a valid CSS selector string.", selector);
  }

  return false;
};

var _default = scrollTo;
exports["default"] = _default;