2023-08-16T14:06:59.054Z

total-typescript · Aug 16, 2023 · a3f19eb · a3f19eb
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diff --git a/src/025-ide-superpowers/072-understand-the-ts-server.problem.ts b/src/025-ide-superpowers/072-understand-the-ts-server.problem.ts
@@ -0,0 +1 @@
+// TODO
diff --git a/src/025-ide-superpowers/072-understand-the-ts-server.solution.ts b/src/025-ide-superpowers/072-understand-the-ts-server.solution.ts
@@ -0,0 +1 @@
+// TODO
diff --git a/src/025-ide-superpowers/073-understand-how-to-hover-a-variable-to-see-its-type.problem.ts b/src/025-ide-superpowers/073-understand-how-to-hover-a-variable-to-see-its-type.problem.ts
@@ -0,0 +1 @@
+// TODO
diff --git a/src/025-ide-superpowers/073-understand-how-to-hover-a-variable-to-see-its-type.solution.ts b/src/025-ide-superpowers/073-understand-how-to-hover-a-variable-to-see-its-type.solution.ts
@@ -0,0 +1 @@
+// TODO
diff --git a/src/025-ide-superpowers/074-autocomplete-for-object-properties.problem.ts b/src/025-ide-superpowers/074-autocomplete-for-object-properties.problem.ts
@@ -0,0 +1 @@
+// TODO
diff --git a/src/025-ide-superpowers/074-autocomplete-for-object-properties.solution.ts b/src/025-ide-superpowers/074-autocomplete-for-object-properties.solution.ts
@@ -0,0 +1 @@
+// TODO
diff --git a/src/025-ide-superpowers/075-autocomplete-for-string-literals.problem.ts b/src/025-ide-superpowers/075-autocomplete-for-string-literals.problem.ts
diff --git a/src/025-ide-superpowers/075-autocomplete-for-string-literals.solution.ts b/src/025-ide-superpowers/075-autocomplete-for-string-literals.solution.ts
diff --git a/src/025-ide-superpowers/076-autocomplete-for-jsx.problem.ts b/src/025-ide-superpowers/076-autocomplete-for-jsx.problem.ts
diff --git a/src/025-ide-superpowers/076-autocomplete-for-jsx.solution.ts b/src/025-ide-superpowers/076-autocomplete-for-jsx.solution.ts
diff --git a/src/025-ide-superpowers/077-basics-of-errors.problem.ts b/src/025-ide-superpowers/077-basics-of-errors.problem.ts
diff --git a/src/025-ide-superpowers/077-basics-of-errors.solution.ts b/src/025-ide-superpowers/077-basics-of-errors.solution.ts
diff --git a/src/025-ide-superpowers/078-go-to-definition.problem.ts b/src/025-ide-superpowers/078-go-to-definition.problem.ts
diff --git a/src/025-ide-superpowers/078-go-to-definition.solution.ts b/src/025-ide-superpowers/078-go-to-definition.solution.ts
diff --git a/src/025-ide-superpowers/079-find-all-references.problem.ts b/src/025-ide-superpowers/079-find-all-references.problem.ts
diff --git a/src/025-ide-superpowers/079-find-all-references.solution.ts b/src/025-ide-superpowers/079-find-all-references.solution.ts
diff --git a/src/025-ide-superpowers/080-rename-symbol.problem.ts b/src/025-ide-superpowers/080-rename-symbol.problem.ts
diff --git a/src/025-ide-superpowers/080-rename-symbol.solution.ts b/src/025-ide-superpowers/080-rename-symbol.solution.ts
diff --git a/src/025-ide-superpowers/081-resetting-the-typescript-server.problem.ts b/src/025-ide-superpowers/081-resetting-the-typescript-server.problem.ts
diff --git a/src/025-ide-superpowers/081-resetting-the-typescript-server.solution.ts b/src/025-ide-superpowers/081-resetting-the-typescript-server.solution.ts
diff --git a/src/028-mutability/082-let-and-const-inference.problem.ts b/src/028-mutability/082-let-and-const-inference.problem.ts
diff --git a/src/028-mutability/082-let-and-const-inference.solution.ts b/src/028-mutability/082-let-and-const-inference.solution.ts
diff --git a/src/028-mutability/083-object-property-inference.problem.ts b/src/028-mutability/083-object-property-inference.problem.ts
diff --git a/src/028-mutability/083-object-property-inference.solution.ts b/src/028-mutability/083-object-property-inference.solution.ts
diff --git a/src/028-mutability/084-narrowing-in-different-scopes.problem.ts b/src/028-mutability/084-narrowing-in-different-scopes.problem.ts
@@ -0,0 +1,42 @@
+import { expect, it } from "vitest";
+
+const findUsersByName = (
+  searchParams: { name?: string },
+  users: {
+    id: string;
+    name: string;
+  }[],
+) => {
+  if (searchParams.name) {
+    return users.filter((user) => user.name.includes(searchParams.name));
+  }
+
+  return users;
+};
+
+it("Should find the exact name", () => {
+  const result = findUsersByName(
+    {
+      name: "Bob",
+    },
+    [
+      {
+        id: "1",
+        name: "Bob",
+      },
+      {
+        id: "2",
+        name: "Alice",
+      },
+    ],
+  );
+
+  expect(result).toEqual([
+    {
+      id: "1",
+      name: "Bob",
+    },
+  ]);
+
+  type test = Expect<Equal<typeof result, { id: string; name: string }[]>>;
+});
diff --git a/src/028-mutability/084-narrowing-in-different-scopes.solution.1.ts b/src/028-mutability/084-narrowing-in-different-scopes.solution.1.ts
@@ -0,0 +1,43 @@
+import { expect, it } from "vitest";
+
+const findUsersByName = (
+  searchParams: { name?: string },
+  users: {
+    id: string;
+    name: string;
+  }[],
+) => {
+  let name = searchParams.name;
+  if (name) {
+    return users.filter((user) => user.name.includes(name));
+  }
+
+  return users;
+};
+
+it("Should find the exact name", () => {
+  const result = findUsersByName(
+    {
+      name: "Bob",
+    },
+    [
+      {
+        id: "1",
+        name: "Bob",
+      },
+      {
+        id: "2",
+        name: "Alice",
+      },
+    ],
+  );
+
+  expect(result).toEqual([
+    {
+      id: "1",
+      name: "Bob",
+    },
+  ]);
+
+  type test = Expect<Equal<typeof result, { id: string; name: string }[]>>;
+});
diff --git a/src/028-mutability/084-narrowing-in-different-scopes.solution.2.ts b/src/028-mutability/084-narrowing-in-different-scopes.solution.2.ts
@@ -0,0 +1,43 @@
+import { expect, it } from "vitest";
+
+const findUsersByName = (
+  searchParams: { name?: string },
+  users: {
+    id: string;
+    name: string;
+  }[],
+) => {
+  const name = searchParams.name;
+  if (name) {
+    return users.filter((user) => user.name.includes(name));
+  }
+
+  return users;
+};
+
+it("Should find the exact name", () => {
+  const result = findUsersByName(
+    {
+      name: "Bob",
+    },
+    [
+      {
+        id: "1",
+        name: "Bob",
+      },
+      {
+        id: "2",
+        name: "Alice",
+      },
+    ],
+  );
+
+  expect(result).toEqual([
+    {
+      id: "1",
+      name: "Bob",
+    },
+  ]);
+
+  type test = Expect<Equal<typeof result, { id: string; name: string }[]>>;
+});
diff --git a/src/028-mutability/085-readonly-object-properties.problem.ts b/src/028-mutability/085-readonly-object-properties.problem.ts
diff --git a/src/028-mutability/085-readonly-object-properties.solution.ts b/src/028-mutability/085-readonly-object-properties.solution.ts
diff --git a/src/028-mutability/086-intro-to-as-const.problem.ts b/src/028-mutability/086-intro-to-as-const.problem.ts
diff --git a/src/028-mutability/086-intro-to-as-const.solution.ts b/src/028-mutability/086-intro-to-as-const.solution.ts
diff --git a/src/028-mutability/087-as-const-vs-object-freeze.problem.ts b/src/028-mutability/087-as-const-vs-object-freeze.problem.ts
diff --git a/src/028-mutability/087-as-const-vs-object-freeze.solution.ts b/src/028-mutability/087-as-const-vs-object-freeze.solution.ts
diff --git a/src/028-mutability/088-readonly-arrays.problem.ts b/src/028-mutability/088-readonly-arrays.problem.ts
diff --git a/src/028-mutability/088-readonly-arrays.solution.ts b/src/028-mutability/088-readonly-arrays.solution.ts
diff --git a/src/028-mutability/089-includes-on-readonly-arrays.problem.ts b/src/028-mutability/089-includes-on-readonly-arrays.problem.ts
diff --git a/src/028-mutability/089-includes-on-readonly-arrays.solution.ts b/src/028-mutability/089-includes-on-readonly-arrays.solution.ts
diff --git a/src/028-mutability/090-readonly-arrays-vs-mutable-arrays.problem.ts b/src/028-mutability/090-readonly-arrays-vs-mutable-arrays.problem.ts
diff --git a/src/028-mutability/090-readonly-arrays-vs-mutable-arrays.solution.ts b/src/028-mutability/090-readonly-arrays-vs-mutable-arrays.solution.ts
diff --git a/src/028-mutability/091-as-const-to-make-functions-infer-a-tuple.problem.ts b/src/028-mutability/091-as-const-to-make-functions-infer-a-tuple.problem.ts
diff --git a/src/028-mutability/091-as-const-to-make-functions-infer-a-tuple.solution.ts b/src/028-mutability/091-as-const-to-make-functions-infer-a-tuple.solution.ts
diff --git a/...28-mutability/092-as-const-can-make-strings-infer-as-their-literals-in-objects.problem.ts b/...28-mutability/092-as-const-can-make-strings-infer-as-their-literals-in-objects.problem.ts
diff --git a/...8-mutability/092-as-const-can-make-strings-infer-as-their-literals-in-objects.solution.ts b/...8-mutability/092-as-const-can-make-strings-infer-as-their-literals-in-objects.solution.ts