bootstrap-italia/dist/plugins/dom/manipulator.js

Bootstrap Italia è un tema Bootstrap 5 per la creazione di applicazioni web nel pieno rispetto delle linee guida di design per i siti internet e i servizi digitali della PA

/**
 * --------------------------------------------------------------------------
 * Bootstrap Italia (https://italia.github.io/bootstrap-italia/)
 * Authors: https://github.com/italia/bootstrap-italia/blob/main/AUTHORS
 * Licensed under BSD-3-Clause license (https://github.com/italia/bootstrap-italia/blob/main/LICENSE)
 * This a fork of Bootstrap: Initial license and original file name below
 * Bootstrap (v5.2.3): dom/manipulator.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
 * --------------------------------------------------------------------------
 */

function normalizeData(value) {
  if (value === 'true') {
    return true
  }

  if (value === 'false') {
    return false
  }

  if (value === Number(value).toString()) {
    return Number(value)
  }

  if (value === '' || value === 'null') {
    return null
  }

  if (typeof value !== 'string') {
    return value
  }

  try {
    return JSON.parse(decodeURIComponent(value))
  } catch {
    return value
  }
}

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 = {};
    const bsKeys = Object.keys(element.dataset).filter((key) => key.startsWith('bs') && !key.startsWith('bsConfig'));

    for (const key of bsKeys) {
      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)}`))
  },
};

export { Manipulator as default };
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