136 lines
2.7 KiB
JavaScript
136 lines
2.7 KiB
JavaScript
(function () {
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'use strict';
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var forumOrigin = window.location.origin;
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function showTarget(targetValue) {
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var targetUrl;
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var forumLink;
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var targetUrlLabel;
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var postPanel;
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var fallbackPanel;
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if (!targetValue) {
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return false;
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}
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try {
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targetUrl = new URL(targetValue);
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if (targetUrl.origin !== forumOrigin) {
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console.warn(
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'Rejected forum target with unexpected origin:',
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targetUrl.origin
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);
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return false;
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}
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if (targetUrl.pathname.indexOf('/d/') !== 0) {
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console.warn(
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'Rejected forum target with unexpected path:',
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targetUrl.pathname
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);
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return false;
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}
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forumLink = document.getElementById('forum-link');
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targetUrlLabel = document.getElementById('target-url');
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postPanel = document.getElementById('post-panel');
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fallbackPanel = document.getElementById('fallback-panel');
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if (
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!forumLink ||
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!targetUrlLabel ||
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!postPanel ||
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!fallbackPanel
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) {
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console.warn(
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'Required landing-page elements were not found.'
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);
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return false;
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}
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forumLink.href = targetUrl.href;
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targetUrlLabel.textContent = targetUrl.href;
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postPanel.hidden = false;
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fallbackPanel.hidden = true;
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return true;
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} catch (error) {
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console.warn(
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'The forum target URL is invalid.',
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error
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);
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return false;
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}
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}
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async function initialize() {
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var parameters;
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var queryTarget;
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var context;
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var subPageId;
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parameters = new URLSearchParams(
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window.location.search
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);
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queryTarget = parameters.get('target');
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/*
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* Allow direct browser tests with ?target=...
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*/
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if (showTarget(queryTarget)) {
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return;
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}
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/*
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* In Microsoft Teams the target is passed as subEntityId.
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* TeamsJS v2 exposes that value as context.page.subPageId.
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*/
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if (
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!window.microsoftTeams ||
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!window.microsoftTeams.app
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) {
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console.info(
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'TeamsJS is unavailable; showing the notifications fallback.'
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);
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return;
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}
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try {
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await window.microsoftTeams.app.initialize();
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context =
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await window.microsoftTeams.app.getContext();
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subPageId =
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context &&
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context.page &&
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context.page.subPageId
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? context.page.subPageId
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: null;
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console.info(
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'Teams page.subPageId:',
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subPageId || '[none]'
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);
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showTarget(subPageId);
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} catch (error) {
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console.warn(
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'Could not read the Microsoft Teams context.',
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error
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);
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}
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}
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initialize();
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})();
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