Hi!

Michigan TypeScript has made video explanations and solutions for every type challenge. Here's a playlist with all the current solutions.

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Warm

• 13 - Hello World [YouTube] [Code]

Easy

• 4 - Pick [YouTube] [Code]
• 7 - Readonly [YouTube] [Code]
• 11 - Tuple To Object [YouTube] [Code]
• 14 - First of Array [YouTube] [Code]
• 18 - Length of Tuple [YouTube] [Code]
• 43 - Exclude [YouTube] [Code]
• 189 - Awaited [YouTube] [Code]
• 268 - If [YouTube] [Code]
• 533 - Concat [YouTube] [Code]
• 898 - Includes [YouTube] [Code]
• 3057 - Push [YouTube] [Code]
• 3060 - Unshift [YouTube] [Code]
• 3312 - Parameters [YouTube] [Code]

Medium

• 2 - Get Return Type [YouTube] [Code]
• 3 - Omit [YouTube] [Code]
• 8 - Readonly 2 [YouTube] [Code]
• 9 - Deep Readonly [YouTube] [Code]
• 10 - Tuple To Union [YouTube] [Code]
• 12 - Chainable Options [YouTube] [Code]
• 15 - Last of Array [YouTube] [Code]
• 16 - Pop [YouTube] [Code]
• 20 - Promise.all [YouTube] [Code]
• 62 - Type Lookup [YouTube] [Code]
• 106 - Trim Left [YouTube] [Code]
• 108 - Trim [YouTube] [Code]
• 110 - Capitalize [YouTube] [Code]
• 116 - Replace [YouTube] [Code]
• 119 - ReplaceAll [YouTube] [Code]
• 191 - Append Argument [YouTube] [Code]
• 296 - Permutation [YouTube] [Code]
• 298 - Length of String [YouTube] [Code]
• 459 - Flatten [YouTube] [Code]
• 527 - Append to Object [YouTube] [Code]
• 529 - Absolute [YouTube] [Code]
• 531 - String to Union [YouTube] [Code]
• 599 - Merge [YouTube] [Code]
• 612 - KebabCase [YouTube] [Code]
• 645 - Diff [YouTube] [Code]
• 949 - AnyOf [YouTube] [Code]
• 1042 - IsNever [YouTube] [Code]
• 1097 - IsUnion [YouTube] [Code]
• 1130 - ReplaceKeys [YouTube] [Code]
• 1367 - Remove Index Signature [YouTube] [Code]
• 1978 - Percentage Parser [YouTube] [Code]
• 2070 - Drop Char [YouTube] [Code]
• 2257- MinusOne [YouTube] [Code]
• 2595 - PickByType [YouTube] [Code]
• 2688 - StartsWith [YouTube] [Code]
• 2693 - EndsWith [YouTube] [Code]
• 2757 - PartialByKeys [YouTube] [Code]
• 2759 - RequiredByKeys [YouTube] [Code]
• 2793 - Mutable [YouTube] [Code]
• 2852 - OmitByType [YouTube] [Code]
• 2946 - ObjectEntries [YouTube] [Code]
• 3062 - Shift [YouTube] [Code]
• 3188 - Tuple to Nested Object [YouTube] [Code]
• 3192 - Reverse [YouTube] [Code]
• 3196 - Flip Arguments [YouTube] [Code]
• 3243 - FlattenDepth [YouTube] [Code]
• 3326 - BEM style string [YouTube] [Code]
• 3376 - InorderTraversal [YouTube] [Code]
• 4179 - Flip [YouTube] [Code]
• 4182 - Fibonacci Sequence [YouTube] [Code]
• 4260 - AllCombinations [YouTube] [Code]
• 4425 - Greater Than [YouTube] [Code]
• 4471 - Zip [YouTube] [Code]
• 4484 - IsTuple [YouTube] [Code]
• 4499 - Chunk [YouTube] [Code]
• 4518 - Fill [YouTube] [Code]
• 4803 - TrimRight [YouTube] [Code]
• 5117 - Without [YouTube] [Code]
• 5140 - Trunc [YouTube] [Code]
• 5153 - IndexOf [YouTube] [Code]
• 5310 - Join [YouTube] [Code]
• 5317 - LastIndexOf [YouTube] [Code]
• 5360 - Unique [YouTube] [Code]
• 5821 - MapTypes [YouTube] [Code]
• 7544 - Construct Tuple [YouTube] [Code]
• 8640 - Number Range [YouTube] [Code]
• 8767 - Combination [YouTube] [Code]
• 8987 - Subsequence [YouTube] [Code]
• 9896 - GetMiddleElement [YouTube] [Code]
• 10969 - Integer [YouTube] [Code]
• 16259 - ToPrimitive [YouTube] [Code]
• 17973 - DeepMutable [YouTube] [Code]

Hard

• 6 - Simple Vue [YouTube] [Code]
• 17 - Currying 1 [YouTube] [Code]
• 55 - Union to Intersection [YouTube] [Code]
• 57 - Get Required [YouTube] [Code]
• 59 - Get Optional [YouTube] [Code]
• 89 - Required Keys [YouTube] [Code]
• 90 - Optional Keys [YouTube] [Code]
• 112 - Capitalize Words [YouTube] [Code]
• 114 - CamelCase [YouTube] [Code]
• 147 - C-printf Parser [YouTube] [Code]
• 213 - Vue Basic Props [YouTube] [Code]
• 223 - IsAny [YouTube] [Code]
• 270 - Typed Get [YouTube] [Code]
• 300 - String To Number [YouTube] [Code]
• 399 - Tuple Filter [YouTube] [Code]
• 472 - Tuple to Enum Object [YouTube] [Code]
• 545 - printf [YouTube] [Code]
• 553 - Deep Object To Unique [YouTube] [Code]
• 651 - Length of String 2 [YouTube] [Code]
• 730 - Union to Tuple [YouTube] [Code]
• 847 - String Join [YouTube] [Code]
• 956 - DeepPick [YouTube] [Code]
• 1290 - Pinia [YouTube] [Code]
• 1383 - Camelize [YouTube] [Code]
• 2059 - Drop String [YouTube] [Code]
• 2822 - Split [YouTube] [Code]
• 2828 - ClassPublicKeys [YouTube] [Code]
• 2857 - IsRequiredKey [YouTube] [Code]
• 2949 - ObjectFromEntries [YouTube] [Code]
• 4037 - IsPalindrome [YouTube] [Code]
• 5181 - Mutable Keys [YouTube] [Code]
• 5423 - Intersection [YouTube] [Code]
• 6141 - Binary to Decimal [YouTube] [Code]
• 7258 - Object Key Paths [YouTube] [Code]
• 8804 - Two Sum [YouTube] [Code]
• 9155 - ValidDate [YouTube] [Code]
• 9160 - Assign [YouTube] [Code]
• 9775 - Capitalize Nest Object Keys [YouTube] [Code]
• 14188 - Run-length encoding [YouTube] [Code]
• 15260 - Tree path array [YouTube] [Code]

Extreme

• 5 - Get Readonly Keys [YouTube] [Code]
• 151 - Query String Parser [YouTube] [Code]
• 216 - Slice [YouTube] [Code]
• 274 - Integers Comparator [YouTube] [Code]
• 462 - Currying 2 [YouTube] [Code]
• 476 - Sum [YouTube] [Code]
• 517 - Multiply [YouTube] [Code]
• 697 - Tag [YouTube] [Code]
• 734 - Inclusive Range [YouTube] [Code]
• 741 - Sort [YouTube] [Code]
• 869 - DistributeUnions [YouTube] [Code]
• 925 - Assert Array Index [YouTube] [Code]
• 6228 - JSON Parser [YouTube] [Code]
• 7561 - Subtract [YouTube] [Code]