Fixed 06-index-signatures

Author: mattpocock

package-lock.json

@@ -10,7 +10,7 @@
     "cross-fetch": "^3.1.5",
     "jsdom": "^21.1.1",
     "prettier": "^2.8.7",
-    "typescript": "^5.4.5",
+    "typescript": "5.4.5",
     "vite-tsconfig-paths": "^4.0.7",
     "vitest": "^1.6.0"
   },
@@ -22,6 +22,10 @@
     "ci": "(cd scripts/tests && npx vitest run)",
     "prepare": "tt-cli prepare-stackblitz",
     "update-snapshots": "(cd scripts/tests && npx vitest run -u)",
+    "e-00": "tt-cli run 00",
+    "s-00": "tt-cli run 00 --solution",
+    "e-01": "tt-cli run 01",
+    "s-01": "tt-cli run 01 --solution",
     "e-02": "tt-cli run 02",
     "s-02": "tt-cli run 02 --solution",
     "e-03": "tt-cli run 03",
@@ -58,18 +62,32 @@
     "s-18": "tt-cli run 18 --solution",
     "e-18.2": "tt-cli run 18.2",
     "s-18.2": "tt-cli run 18.2 --solution",
+    "e-19.3": "tt-cli run 19.3",
+    "s-19.3": "tt-cli run 19.3 --solution",
+    "e-19.4": "tt-cli run 19.4",
+    "s-19.4": "tt-cli run 19.4 --solution",
     "e-20": "tt-cli run 20",
     "s-20": "tt-cli run 20 --solution",
     "e-21": "tt-cli run 21",
     "s-21": "tt-cli run 21 --solution",
     "e-22": "tt-cli run 22",
     "s-22": "tt-cli run 22 --solution",
+    "e-22.5": "tt-cli run 22.5",
+    "s-22.5": "tt-cli run 22.5 --solution",
+    "e-22.9": "tt-cli run 22.9",
+    "s-22.9": "tt-cli run 22.9 --solution",
     "e-23": "tt-cli run 23",
     "s-23": "tt-cli run 23 --solution",
+    "e-23.9": "tt-cli run 23.9",
+    "s-23.9": "tt-cli run 23.9 --solution",
     "e-24": "tt-cli run 24",
     "s-24": "tt-cli run 24 --solution",
+    "e-24.9": "tt-cli run 24.9",
+    "s-24.9": "tt-cli run 24.9 --solution",
     "e-25": "tt-cli run 25",
     "s-25": "tt-cli run 25 --solution",
+    "e-25.9": "tt-cli run 25.9",
+    "s-25.9": "tt-cli run 25.9 --solution",
     "e-26": "tt-cli run 26",
     "s-26": "tt-cli run 26 --solution",
     "e-26.5": "tt-cli run 26.5",
@@ -93,27 +111,7 @@
     "e-34": "tt-cli run 34",
     "s-34": "tt-cli run 34 --solution",
     "e-38": "tt-cli run 38",
-    "s-38": "tt-cli run 38 --solution",
-    "e-00": "tt-cli run 00",
-    "s-00": "tt-cli run 00 --solution",
-    "e-01": "tt-cli run 01",
-    "s-01": "tt-cli run 01 --solution",
-    "e-22.9": "tt-cli run 22.9",
-    "s-22.9": "tt-cli run 22.9 --solution",
-    "e-23.9": "tt-cli run 23.9",
-    "s-23.9": "tt-cli run 23.9 --solution",
-    "e-24.9": "tt-cli run 24.9",
-    "s-24.9": "tt-cli run 24.9 --solution",
-    "e-25.9": "tt-cli run 25.9",
-    "s-25.9": "tt-cli run 25.9 --solution",
-    "e-19.3": "tt-cli run 19.3",
-    "s-19.3": "tt-cli run 19.3 --solution",
-    "e-19.4": "tt-cli run 19.4",
-    "s-19.4": "tt-cli run 19.4 --solution",
-    "e-22.5": "tt-cli run 22.5",
-    "s-22.5": "tt-cli run 22.5 --solution",
-    "e-30.6": "tt-cli run 30.6",
-    "s-30.6": "tt-cli run 30.6 --solution"
+    "s-38": "tt-cli run 38 --solution"
   },
   "dependencies": {
     "@types/express": "^4.17.14",

package.json

@@ -38,13 +38,17 @@ it("Should let you add users and posts to the db by their id", () => {
     name: "Miles",
   };
 
-  const post = db[postId];
-  const user = db[userId];
+  const test = () => {
+    // Code slightly updated since video was recorded, see
+    // https://gist.github.com/mattpocock/ac5bc4eabcb95c05d5d106ccb73c84cc
+    const post = db[postId];
+    const user = db[userId];
 
-  type tests = [
-    Expect<Equal<typeof post, Post>>,
-    Expect<Equal<typeof user, User>>,
-  ];
+    type tests = [
+      Expect<Equal<typeof post, Post>>,
+      Expect<Equal<typeof user, User>>,
+    ];
+  };
 });
 
 it("Should fail if you try to add a user under a post id", () => {

src/01-branded-types/06-index-signatures.problem.ts

@@ -34,13 +34,15 @@ it("Should let you add users and posts to the db by their id", () => {
     name: "Miles",
   };
 
-  const post = db[postId];
-  const user = db[userId];
-
-  type tests = [
-    Expect<Equal<typeof post, Post>>,
-    Expect<Equal<typeof user, User>>,
-  ];
+  const test = () => {
+    const post = db[postId];
+    const user = db[userId];
+
+    type tests = [
+      Expect<Equal<typeof post, Post>>,
+      Expect<Equal<typeof user, User>>,
+    ];
+  };
 });
 
 it("Should fail if you try to add a user under a post id", () => {