Quelle tabs.js Sprache: JAVA

/* 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/>. */

import { createSelector } from "devtools/client/shared/vendor/reselect";
import { getPrettySourceURL } from "../utils/source";

import { getSpecificSourceByURL } from "./sources";
import { isSimilarTab } from "../utils/tabs";

export const getTabs = state => state.tabs.tabs;

// Return the list of tabs which relates to an active source
export const getSourceTabs = createSelector(getTabs, tabs =>
  tabs.filter(tab => tab.source)
);

export const getSourcesForTabs = createSelector(getSourceTabs, sourceTabs => {
  return sourceTabs.map(tab => tab.source);
});

export function tabExists(state, sourceId) {
  return !!getSourceTabs(state).find(tab => tab.source.id == sourceId);
}

export function hasPrettyTab(state, source) {
  const prettyUrl = getPrettySourceURL(source.url);
  return getTabs(state).some(tab => tab.url === prettyUrl);
}

/**
* Gets the next tab to select when a tab closes. Heuristics:
* 1. if the selected tab is available, it remains selected
* 2. if it is gone, the next available tab to the left should be active
* 3. if the first tab is active and closed, select the second tab
*/
export function getNewSelectedSource(state, tabList) {
  const { selectedLocation } = state.sources;
  const availableTabs = getTabs(state);
  if (!selectedLocation) {
    return null;
  }

  const selectedSource = selectedLocation.source;
  if (!selectedSource) {
    return null;
  }

  const matchingTab = availableTabs.find(tab =>
    isSimilarTab(tab, selectedSource.url, selectedSource.isOriginal)
  );

  if (matchingTab) {
    const specificSelectedSource = getSpecificSourceByURL(
      state,
      selectedSource.url,
      selectedSource.isOriginal
    );

    if (specificSelectedSource) {
      return specificSelectedSource;
    }

    return null;
  }

  const tabUrls = tabList.map(tab => tab.url);
  const leftNeighborIndex = Math.max(
    tabUrls.indexOf(selectedSource.url) - 1,
    0
  );
  const lastAvailbleTabIndex = availableTabs.length - 1;
  const newSelectedTabIndex = Math.min(leftNeighborIndex, lastAvailbleTabIndex);
  const availableTab = availableTabs[newSelectedTabIndex];

  if (availableTab) {
    const tabSource = getSpecificSourceByURL(
      state,
      availableTab.url,
      availableTab.isOriginal
    );

    if (tabSource) {
      return tabSource;
    }
  }

  return null;
}

quality87%

¤ Dauer der Verarbeitung: 0.15 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.