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✏️ Editing: anchorLinkFix.js

/*!
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

/**
 * See https://github.com/piwik/piwik/issues/4795 "linking to #hash tag does not work after merging AngularJS"
 */
(function () {

function scrollToAnchorNode($node)
    {
        $.scrollTo($node, 20);
    }

function preventDefaultIfEventExists(event)
    {
        if (event) {
            event.preventDefault();
        }
    }

function scrollToAnchorIfPossible(hash, event)
    {
        if (!hash) {
            return;
        }

if (-1 !== hash.indexOf('&')) {
            return;
        }

try {
            var $node = $('#' + hash);
        } catch (err) {
            // on jquery syntax error, ignore so nothing is logged to the console
            return;
        }

if ($node && $node.length) {
            scrollToAnchorNode($node);
            preventDefaultIfEventExists(event);
            return;
        }

$node = $('a[name='+ hash + ']');

if ($node && $node.length) {
            scrollToAnchorNode($node);
            preventDefaultIfEventExists(event);
        }
    }

function isLinkWithinSamePage(location, newUrl)
    {
        if (location && location.origin && -1 === newUrl.indexOf(location.origin)) {
            // link to different domain
            return false;
        }

if (location && location.pathname && -1 === newUrl.indexOf(location.pathname)) {
            // link to different path
            return false;
        }

if (location && location.search && -1 === newUrl.indexOf(location.search)) {
            // link with different search
            return false;
        }

return true;
    }

function handleScrollToAnchorIfPresentOnPageLoad()
    {
        if (location.hash.slice(0, 2) == '#/') {
            var hash = location.hash.slice(2);
            scrollToAnchorIfPossible(hash, null);
        }
    }

function handleScrollToAnchorAfterPageLoad()
    {
        angular.module('piwikApp').run(['$rootScope', function ($rootScope) {

$rootScope.$on('$locationChangeStart', onLocationChangeStart);

function onLocationChangeStart (event, newUrl, oldUrl, $location) {

if (!newUrl) {
                    return;
                }

var hashPos = newUrl.indexOf('#/');
                if (-1 === hashPos) {
                    return;
                }

if (!isLinkWithinSamePage(this.location, newUrl)) {
                    return;
                }

var hash = newUrl.slice(hashPos + 2);

scrollToAnchorIfPossible(hash, event);
            }
        }]);
    }

handleScrollToAnchorAfterPageLoad();
    $(handleScrollToAnchorIfPresentOnPageLoad);

window.anchorLinkFix = {
        scrollToAnchorInUrl: function () {
            // may be called when page is only fully loaded after some additional requests
            // timeout needed to ensure angular rendered fully
            var $timeout = piwikHelper.getAngularDependency('$timeout');
            $timeout(handleScrollToAnchorIfPresentOnPageLoad);
        }
    };
})();

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