1 files changed, 22 insertions, 4 deletions

diff --git a/src/data/yaml.js b/src/data/yaml.js
index 35943199..2ad2d41d 100644
--- a/src/data/yaml.js
+++ b/src/data/yaml.js
@@ -316,6 +316,10 @@ export const processTrackDocument = makeProcessDocument(T.Track, {
 
     'Date First Released': (value) => new Date(value),
     'Cover Art Date': (value) => new Date(value),
+    'Has Cover Art': (value) =>
+      (value === true ? false :
+       value === false ? true :
+       value),
 
     'Artists': parseContributors,
     'Contributors': parseContributors,
@@ -336,7 +340,7 @@ export const processTrackDocument = makeProcessDocument(T.Track, {
     dateFirstReleased: 'Date First Released',
     coverArtDate: 'Cover Art Date',
     coverArtFileExtension: 'Cover Art File Extension',
-    hasCoverArt: 'Has Cover Art',
+    disableUniqueCoverArt: 'Has Cover Art', // This gets transformed to flip true/false.
 
     lyrics: 'Lyrics',
     commentary: 'Commentary',
@@ -1316,13 +1320,27 @@ export async function loadAndProcessDataDocuments({dataPath}) {
 
 // Data linking! Basically, provide (portions of) wikiData to the Things which
 // require it - they'll expose dynamically computed properties as a result (many
-// of which are required for page HTML generation).
-export function linkWikiDataArrays(wikiData) {
+// of which are required for page HTML generation and other expected behavior).
+//
+// The XXX_decacheWikiData option should be used specifically to mark
+// points where you *aren't* replacing any of the arrays under wikiData with
+// new values, and are using linkWikiDataArrays to instead "decache" data
+// properties which depend on any of them. It's currently not possible for
+// a CacheableObject to depend directly on the value of a property exposed
+// on some other CacheableObject, so when those values change, you have to
+// manually decache before the object will realize its cache isn't valid
+// anymore.
+export function linkWikiDataArrays(wikiData, {
+  XXX_decacheWikiData = false,
+} = {}) {
   function assignWikiData(things, ...keys) {
+    if (things === undefined) return;
     for (let i = 0; i < things.length; i++) {
       const thing = things[i];
       for (let j = 0; j < keys.length; j++) {
         const key = keys[j];
+        if (!(key in wikiData)) continue;
+        if (XXX_decacheWikiData) thing[key] = [];
         thing[key] = wikiData[key];
       }
     }
@@ -1340,7 +1358,7 @@ export function linkWikiDataArrays(wikiData) {
   assignWikiData(WD.flashData, 'artistData', 'flashActData', 'trackData');
   assignWikiData(WD.flashActData, 'flashData');
   assignWikiData(WD.artTagData, 'albumData', 'trackData');
-  assignWikiData(WD.homepageLayout.rows, 'albumData', 'groupData');
+  assignWikiData(WD.homepageLayout?.rows, 'albumData', 'groupData');
 }
 
 export function sortWikiDataArrays(wikiData) {