@typescripts
TypeScript Stories
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4️⃣ 0️⃣ ❌ Incorrect type narrowing for let value: <union type> = ... ▶️ Playground ▶️ More real-world example and solution
703 views
10-31 21:01
10-31 21:01
3️⃣ 9️⃣ ❌ Dangerous usage of spread operator. ▶️ Playground
731 views
10-28 02:58
10-28 02:58
3️⃣ 8️⃣ ❌ Type guard narrowing type loss after reassignment. ▶️ Playground
824 views
09-04 16:22
09-04 16:22
3️⃣ 7️⃣ ❌ Wrong union assignment. ▶️ Playground
776 views
08-18 18:02
08-18 18:02
3️⃣ 6️⃣ ❌ Wrong type inference for number comparing to literals. ▶️ Playground
712 views
08-18 18:02
08-18 18:02
3️⃣ 5️⃣ ❌ Partial type spreading error. ▶️ Playground ✅ Solution
648 views
08-18 18:02
08-18 18:02
3️⃣ 4️⃣ ❌ Weird incorrect autocompletion. ▶️ Playground
611 views
08-18 18:02
08-18 18:02
3️⃣ 3️⃣ ❌ Something wrong with type inference or Promise.then typings. ▶️ Playground ✅ Solution
788 views
05-21 06:25
05-21 06:25
3️⃣ 2️⃣ ❌ Wrong type inference with Capitalize and Uncapitalize utility types. ▶️ Playground
6,990 views
05-01 20:46
05-01 20:46
3️⃣ 1️⃣ ❌ Incrementing literal type in for loop. ▶️ Playground
928 views
03-16 00:05
03-16 00:05
3️⃣ 0️⃣ ❌ Assign non-nullable type {} to non-primitive object . ▶️ Playground
846 views
03-15 22:30
03-15 22:30
2️⃣ 9️⃣ 🤔 Destructuring from never[] is of type undefined . ▶️ Playground
722 views
03-15 21:44
03-15 21:44
2️⃣ 8️⃣ ❓ No error when destructuring non-existent element with default value? ▶️ Playground
630 views
03-15 21:33
03-15 21:33
2️⃣ 7️⃣ ❓ No error when no overlapping with null or undefined ? ▶️ Playground
598 views
03-15 21:26
03-15 21:26
2️⃣ 6️⃣ ❌ Weirdness of Record type. ▶️ Playground
561 views
03-15 20:16
03-15 20:16
2️⃣ 5️⃣ ❌ Weirdness with void type. ▶️ Playground
580 views
11-09 06:04
11-09 06:04
2️⃣ 4️⃣ ❌ Strange behavior with union of arrays. ▶️ Playground
589 views
04-24 01:19
04-24 01:19
2️⃣ 3️⃣ ❌ Wrong behavior with array type intersections. ▶️ Playground
541 views
04-23 19:26
04-23 19:26
2️⃣ 2️⃣ ❌ Null-porotype object still has prototype types. ▶️ Playground
503 views
04-23 18:11
04-23 18:11
2️⃣ 1️⃣ 🤔 Types 'asd' | string and 123 & number . ▶️ Playground
465 views
04-23 18:06
04-23 18:06