a few changes first

Author: xyzqm

content/1_General/Intro_CP.problems.json

@@ -8,7 +8,7 @@
       "source": "Kattis",
       "difficulty": "Very Easy",
       "isStarred": false,
-      "tags": null,
+      "tags": [],
       "solutionMetadata": {
         "kind": "none"
       }

content/6_Advanced/Extend_Euclid.problems.json

@@ -8,7 +8,7 @@
       "source": "Kattis",
       "difficulty": null,
       "isStarred": false,
-      "tags": null,
+      "tags": [],
       "solutionMetadata": {
         "kind": "none"
       }
@@ -22,7 +22,7 @@
       "source": "Kattis",
       "difficulty": null,
       "isStarred": false,
-      "tags": null,
+      "tags": [],
       "solutionMetadata": {
         "kind": "none"
       }
@@ -34,7 +34,7 @@
       "source": "Kattis",
       "difficulty": null,
       "isStarred": false,
-      "tags": null,
+      "tags": [],
       "solutionMetadata": {
         "kind": "none"
       }

content/6_Advanced/Persistent.problems.json

@@ -111,7 +111,7 @@
       "source": "Wesley's Anger Contest",
       "difficulty": "Very Hard",
       "isStarred": false,
-      "tags": null,
+      "tags": [],
       "solutionMetadata": {
         "kind": "autogen-label-from-site",
         "site": "DMOJ"
@@ -124,7 +124,7 @@
       "source": "YS",
       "difficulty": "Very Hard",
       "isStarred": false,
-      "tags": null,
+      "tags": [],
       "solutionMetadata": {
         "kind": "none"
       }

content/extraProblems.json

@@ -207,6 +207,7 @@
     },
     {
       "uniqueId": "usaco-1083",
+      "tags": [],
       "name": "Uddered but not Herd",
       "url": "http://www.usaco.org/index.php?page=viewproblem2&cpid=1083",
       "source": "Bronze",

gatsby-node.ts

@@ -544,9 +544,9 @@ exports.createSchemaCustomization = ({ actions }) => {
       source: String!
       sourceDescription: String
       isStarred: Boolean!
-      difficulty: String
-      tags: [String]
-      solution: ProblemSolutionInfo
+      difficulty: String!
+      tags: [String!]!
+      solution: ProblemSolutionInfo!
       inModule: Boolean!
       module: Xdm @link(by: "frontmatter.id")
     }
@@ -558,8 +558,8 @@ exports.createSchemaCustomization = ({ actions }) => {
       source: String!
       sourceDescription: String
       isStarred: Boolean!
-      difficulty: String
-      tags: [String]
+      difficulty: String!
+      tags: [String!]!
       solution: ProblemSolutionInfo
     }
 

src/components/Dashboard/DailyStreak.tsx

@@ -59,7 +59,9 @@ const PhotoCard = ({ img, day, tomorrowMilliseconds, hiddenOnDesktop }) => {
             image={img}
             className="w-full object-cover"
             alt="Cow"
-            style={tomorrowMilliseconds >= 0 ? { filter: 'blur(60px)' } : null}
+            style={
+              tomorrowMilliseconds >= 0 ? { filter: 'blur(60px)' } : undefined
+            }
           />
         </div>
       </div>
@@ -68,27 +70,25 @@ const PhotoCard = ({ img, day, tomorrowMilliseconds, hiddenOnDesktop }) => {
 };
 
 export default function DailyStreak({ streak }) {
-  const data = useStaticQuery(graphql`
-    {
+  const data: Queries.DailyStreakQuery = useStaticQuery(graphql`
+    query DailyStreak {
       allFile(
         filter: { relativePath: { regex: "/^cows/.*/" } }
         sort: { fields: name }
       ) {
-        edges {
-          node {
-            childImageSharp {
-              gatsbyImageData(quality: 100, layout: CONSTRAINED, width: 592)
-            }
-            name
+        nodes {
+          childImageSharp {
+            gatsbyImageData(quality: 100, layout: CONSTRAINED, width: 592)
           }
+          name
         }
       }
     }
   `);
   // https://www.digitalocean.com/community/tutorials/react-usememo
   const cows = React.useMemo(() => {
-    return data.allFile.edges.map(
-      ({ node }) => node.childImageSharp.gatsbyImageData
+    return data.allFile.nodes.map(
+      node => node.childImageSharp!.gatsbyImageData
     );
   }, []);
   const { lastVisitDate } = useLastVisitInfo();
@@ -168,15 +168,15 @@ export default function DailyStreak({ streak }) {
   };
   const leftCows = () => {
     // 2-column format for desktop, so hide every other cow
-    const items = [];
+    const items: React.ReactElement[] = [];
     for (let i = maxInd; i >= 0; --i) {
       items.push(getComponent(i, (maxInd - i) % 2 == 1));
     }
     return items;
   };
   const rightCows = () => {
     // desktop-only
-    const items = [];
+    const items: React.ReactElement[] = [];
     for (let i = maxInd - 1; i >= 0; i -= 2) {
       items.push(getComponent(i, false));
     }

src/components/Index/ContributorsSection.tsx

@@ -168,22 +168,20 @@ const MemberCard = ({
 };
 
 export default function ContributorsSection(): JSX.Element {
-  const data = useStaticQuery(graphql`
-    {
+  const data: Queries.ContributorsQuery = useStaticQuery(graphql`
+    query Contributors {
       allFile(filter: { relativePath: { regex: "/^team/images/.*/" } }) {
-        edges {
-          node {
-            childImageSharp {
-              gatsbyImageData(
-                width: 112
-                height: 112
-                quality: 100
-                transformOptions: { cropFocus: CENTER }
-                layout: FIXED
-              )
-            }
-            name
+        nodes {
+          childImageSharp {
+            gatsbyImageData(
+              width: 112
+              height: 112
+              quality: 100
+              transformOptions: { cropFocus: CENTER }
+              layout: FIXED
+            )
           }
+          name
         }
       }
     }
@@ -213,9 +211,8 @@ export default function ContributorsSection(): JSX.Element {
                   member={member}
                   key={member.name}
                   gatsbyImage={
-                    (data as any).allFile.edges.find(
-                      x => x.node.name === member.photo
-                    ).node.childImageSharp
+                    data.allFile.nodes.find(x => x.name === member.photo)
+                      ?.childImageSharp
                   }
                 />
               ))}