Quelle TabAttributes.sys.mjs Sprache: unbekannt

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */

// Tab attributes which are persisted & restored by SessionStore.
const PERSISTED_ATTRIBUTES = ["customizemode"];

// A set of tab attributes to persist. We will read a given list of tab
// attributes when collecting tab data and will re-set those attributes when
// the given tab data is restored to a new tab.
export var TabAttributes = Object.freeze({
  get(tab) {
    return TabAttributesInternal.get(tab);
  },

  set(tab, data = {}) {
    TabAttributesInternal.set(tab, data);
  },
});

var TabAttributesInternal = {
  get(tab) {
    let data = {};

    for (let name of PERSISTED_ATTRIBUTES) {
      if (tab.hasAttribute(name)) {
        data[name] = tab.getAttribute(name);
      }
    }

    return data;
  },

  set(tab, data = {}) {
    // Clear & Set attributes.
    for (let name of PERSISTED_ATTRIBUTES) {
      tab.removeAttribute(name);
      if (name in data) {
        tab.setAttribute(name, data[name]);
      }
    }
  },
};

Quelle TabAttributes.sys.mjs Sprache: unbekannt

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