scrollscene/dist/commonjs/helpers/scrollAnimationInit.js

ScrollScene is an extra layer on top of ScrollMagic as well as using IntersectionObserver to achieve similar effects.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.scrollAnimationInit = void 0;

var _lodash = _interopRequireDefault(require("lodash.throttle"));

var _isObject = require("./isObject");

var scrollAnimationInit = function scrollAnimationInit(breakpoints, init, destroy) {
  if ((0, _isObject.isObject)(breakpoints)) {
    var keys = Object.keys(breakpoints).reverse();

    var fn = function fn() {
      for (var index = 0; index < keys.length; index += 1) {
        var breakpoint = parseFloat(keys[index]);

        if (breakpoint <= window.innerWidth) {
          if (breakpoints[breakpoint]) {
            init();
          } else {
            destroy();
          }

          break;
        }
      }
    };

    fn();
    window.addEventListener('resize', (0, _lodash["default"])(fn, 700));
  } else {
    init();
  }
};

exports.scrollAnimationInit = scrollAnimationInit;
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