Update to work with Zotero 7.1.x

bin/build

@@ -11,4 +11,4 @@ zip -r zoterocitationcountsmanager-${version}.xpi locale/* manifest.json bootstr
 # - increase version number in all files (not just here)
 # - run this script to create a new .xpi file
 # - commit and push to Github
-# - make a release on Github, and manually upload the new .xpi file
+# - make a release on Github, and manually upload the new .xpi file

locale/en-US/citation-counts.ftl

@@ -33,4 +33,4 @@ citationcounts-preferences-pane-autoretrieve-api-none =
     .label = No
 
 ## Misc
-citationcounts-internal-error = Internal error
+citationcounts-internal-error = Internal error

manifest.json

@@ -9,7 +9,7 @@
       "id": "frlars21@github.com",
       "update_url": "https://www.zotero.org/download/plugins/make-it-red/updates.json",
       "strict_min_version": "6.999",
-      "strict_max_version": "7.0.*"
+      "strict_max_version": "7.1.*"
     }
   }
 }

zoterocitationcounts.js

@@ -527,11 +527,17 @@ ZoteroCitationCounts = {
   ////////////////////////////////////////////
 
   _crossrefUrl: function (id, type) {
-    return `https://api.crossref.org/works/${id}/transform/application/vnd.citationstyles.csl+json`;
+    return `https://api.crossref.org/works/${id}`;
   },
 
-  _crossrefCallback: function (response) {
-    return response["is-referenced-by-count"];
+  _crossrefCallback: async function (response) {
+    const count = response?.message?.["is-referenced-by-count"];
+
+    // small delay to avoid hitting Crossref rate limits when
+    // processing many items at once
+    await new Promise((r) => setTimeout(r, 500));
+
+    return count;
   },
 
   _inspireUrl: function (id, type) {
@@ -549,7 +555,7 @@ ZoteroCitationCounts = {
 
   // The callback can be async if we want.
   _semanticScholarCallback: async function (response) {
-    count = response["citationCount"];
+    const count = response["citationCount"];
 
     // throttle Semantic Scholar so we don't reach limit.
     await new Promise((r) => setTimeout(r, 3000));