From 9ecc648a03343bc7f2bd8568ade72661aff4e57e Mon Sep 17 00:00:00 2001
From: svetlagasheva <svetulka_24@mail.bg>
Date: Mon, 1 Jun 2020 16:41:16 +0300
Subject: [PATCH] check for valid links added

---
 src/common/MetaPreview/MetaPreview.js | 61 ++++++++++++++-------------
 1 file changed, 32 insertions(+), 29 deletions(-)

diff --git a/src/common/MetaPreview/MetaPreview.js b/src/common/MetaPreview/MetaPreview.js
index b5f96c0a5..c96874f0a 100644
--- a/src/common/MetaPreview/MetaPreview.js
+++ b/src/common/MetaPreview/MetaPreview.js
@@ -27,44 +27,47 @@ const ALLOWED_LINK_REDIRECTS = [
 const MetaPreview = ({ className, compact, name, logo, background, runtime, releaseInfo, released, description, links, trailer, inLibrary, toggleInLibrary }) => {
     const [shareModalOpen, openShareModal, closeShareModal] = useBinaryState(false);
     const linksGroups = React.useMemo(() => {
-        return links
-            .filter((link) => link && typeof link.category === 'string' && typeof link.url === 'string')
-            .reduce((linksGroups, { category, name, url }) => {
-                if (category === CONSTANTS.IMDB_LINK_CATEGORY) {
-                    linksGroups.set(category, {
-                        label: name,
-                        href: `https://www.stremio.com/warning#${encodeURIComponent(`https://www.imdb.com/title/${encodeURIComponent(url)}`)}`
-                    });
-                } else if (category === CONSTANTS.SHARE_LINK_CATEGORY) {
-                    linksGroups.set(category, {
-                        label: name,
-                        href: url
-                    });
-                } else {
-                    const { protocol, host, path, pathname } = UrlUtils.parse(url);
-                    if (protocol === 'stremio:') {
-                        if (pathname !== null && ALLOWED_LINK_REDIRECTS.some((regexp) => pathname.match(regexp))) {
+        return Array.isArray(links) ?
+            links
+                .filter((link) => link && typeof link.category === 'string' && typeof link.url === 'string')
+                .reduce((linksGroups, { category, name, url }) => {
+                    if (category === CONSTANTS.IMDB_LINK_CATEGORY) {
+                        linksGroups.set(category, {
+                            label: name,
+                            href: `https://www.stremio.com/warning#${encodeURIComponent(`https://www.imdb.com/title/${encodeURIComponent(url)}`)}`
+                        });
+                    } else if (category === CONSTANTS.SHARE_LINK_CATEGORY) {
+                        linksGroups.set(category, {
+                            label: name,
+                            href: url
+                        });
+                    } else {
+                        const { protocol, host, path, pathname } = UrlUtils.parse(url);
+                        if (protocol === 'stremio:') {
+                            if (pathname !== null && ALLOWED_LINK_REDIRECTS.some((regexp) => pathname.match(regexp))) {
+                                if (!linksGroups.has(category)) {
+                                    linksGroups.set(category, []);
+                                }
+                                linksGroups.get(category).push({
+                                    label: name,
+                                    href: `#${path}`
+                                });
+                            }
+                        } else if (typeof host === 'string' && host.length > 0) {
                             if (!linksGroups.has(category)) {
                                 linksGroups.set(category, []);
                             }
                             linksGroups.get(category).push({
                                 label: name,
-                                href: `#${path}`
+                                href: `https://www.stremio.com/warning#${encodeURIComponent(url)}`
                             });
                         }
-                    } else if (typeof host === 'string' && host.length > 0) {
-                        if (!linksGroups.has(category)) {
-                            linksGroups.set(category, []);
-                        }
-                        linksGroups.get(category).push({
-                            label: name,
-                            href: `https://www.stremio.com/warning#${encodeURIComponent(url)}`
-                        });
                     }
-                }
 
-                return linksGroups;
-            }, new Map());
+                    return linksGroups;
+                }, new Map())
+            :
+            new Map();
     }, [links]);
     const trailerHref = React.useMemo(() => {
         if (typeof trailer !== 'object' || trailer === null) {