# All files / src/dom manipulator.js

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     /**
     * --------------------------------------------------------------------------
     * Bootstrap (v5.0.0-alpha1): dom/manipulator.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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, chr => `-${chr.toLowerCase()}`)
    }

    const Manipulator = {
      setDataAttribute(element, key, value) {
        element.setAttribute(`data-${normalizeDataKey(key)}`, value)
      },

      removeDataAttribute(element, key) {
        element.removeAttribute(`data-${normalizeDataKey(key)}`)
      },

      getDataAttributes(element) {
        if (!element) {
          return {}
        }

        const attributes = {
          ...element.dataset
        }

        Object.keys(attributes).forEach(key => {
          attributes[key] = normalizeData(attributes[key])
        })

        return attributes
      },

      getDataAttribute(element, key) {
        return normalizeData(element.getAttribute(`data-${normalizeDataKey(key)}`))
      },

      offset(element) {
        const rect = element.getBoundingClientRect()

        return {
          top: rect.top + document.body.scrollTop,
          left: rect.left + document.body.scrollLeft
        }
      },

      position(element) {
        return {
          top: element.offsetTop,
          left: element.offsetLeft
        }
      },

      toggleClass(element, className) {
        if (!element) {
          return
        }

        if (element.classList.contains(className)) {
          element.classList.remove(className)
        } else {
          element.classList.add(className)
        }
      }
    }

    export default Manipulator