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/**
 * --------------------------------------------------------------------------
 * Bootstrap (v5.1.0): 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, chr => `-${chr.toLowerCase()}`)
}

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

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

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

    const attributes = {}

    Object.keys(element.dataset)
      .filter(key => key.startsWith('bs'))
      .forEach(key => {
        let pureKey = key.replace(/^bs/, '')
        pureKey = pureKey.charAt(0).toLowerCase() + pureKey.slice(1, pureKey.length)
        attributes[pureKey] = normalizeData(element.dataset[key])
      })

    return attributes
  },

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

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

    return {
      top: rect.top + window.pageYOffset,
      left: rect.left + window.pageXOffset
    }
  },

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

export default Manipulator