manipulator.js

/*!
  * Bootstrap manipulator.js v5.0.0-alpha3 (https://getbootstrap.com/)
  * Copyright 2011-2020 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Manipulator = factory());
}(this, (function () { 'use strict';

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.0-alpha3): dom/manipulator.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  function normalizeData(val) {
    if (val === 'true') {
      return true;
    }

    if (val === 'false') {
      return false;
    }

    if (val === Number(val).toString()) {
      return Number(val);
    }

    if (val === '' || val === 'null') {
      return null;
    }

    return val;
  }

  function normalizeDataKey(key) {
    return key.replace(/[A-Z]/g, function (chr) {
      return "-" + chr.toLowerCase();
    });
  }

  var Manipulator = {
    setDataAttribute: function setDataAttribute(element, key, value) {
      element.setAttribute("data-bs-" + normalizeDataKey(key), value);
    },
    removeDataAttribute: function removeDataAttribute(element, key) {
      element.removeAttribute("data-bs-" + normalizeDataKey(key));
    },
    getDataAttributes: function getDataAttributes(element) {
      if (!element) {
        return {};
      }

      var attributes = {};
      Object.keys(element.dataset).filter(function (key) {
        return key.startsWith('bs');
      }).forEach(function (key) {
        var pureKey = key.replace(/^bs/, '');
        pureKey = pureKey.charAt(0).toLowerCase() + pureKey.slice(1, pureKey.length);
        attributes[pureKey] = normalizeData(element.dataset[key]);
      });
      return attributes;
    },
    getDataAttribute: function getDataAttribute(element, key) {
      return normalizeData(element.getAttribute("data-bs-" + normalizeDataKey(key)));
    },
    offset: function offset(element) {
      var rect = element.getBoundingClientRect();
      return {
        top: rect.top + document.body.scrollTop,
        left: rect.left + document.body.scrollLeft
      };
    },
    position: function position(element) {
      return {
        top: element.offsetTop,
        left: element.offsetLeft
      };
    }
  };

  return Manipulator;

})));
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