Mini Object-relational MapperImplement a simplified Prisma-like in-memory object-relational mapper (ORM) with model delegates and basic CRUD operations
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Reading Order II高级Implement a function that groups misaligned 2D canvas elements into rows before sorting
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Schema Validator II高级Implement a tiny schema validation library with chainable min and max rules
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Spreadsheet II高级Implement a spreadsheet class with left-to-right arithmetic formulas
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Styled Text Ranges II高级Implement a function that overwrites the style of a text range and normalizes the result
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Test Runner IIImplement a tiny test runner with nested suites and full spec names
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Test Runner III高级Implement a tiny test runner with inherited setup and cleanup hooks
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Undoable Database高级Implement a class that manages users with CRUD operations and undo/redo history
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Mini Object-relational Mapper II高级Implement a simplified Prisma-like in-memory object-relational mapper (ORM) with richer filtering and sorting
Drizzle Query BuilderImplement a simplified in-memory query builder inspired by Drizzle ORM, with table helpers, filters, sorting, and pagination
语言
Mini Object-relational Mapper III高级Implement a simplified Prisma-like in-memory object-relational mapper (ORM) with field selection and relation includes
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Rich Text to HTML高级Implement a function that converts styled text ranges into a canonical HTML string
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Schema Validator III高级Implement a tiny schema validation library with nested objects, arrays, and optional fields
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Spreadsheet III高级Implement a spreadsheet class with dependency-aware updates and cycle detection
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Styled Text Ranges III高级Implement a function that replaces a text range and keeps the style ranges normalized
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Styled Text Ranges IV高级Implement a function that patches shallow style objects over a text range
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Superjson II高级Extend the serialize and deserialize APIs to support Map and Set while preserving insertion order
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Drizzle Query Builder II高级Implement a simplified in-memory query builder inspired by Drizzle ORM, with support for `select()` projections and aliases
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Undo / Redo Manager IIImplement a class that manages draft values and batch-based undo/redo checkpoints
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Undoable Database II高级Implement a class that manages draft user state and batch-based undo/redo checkpoints
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Drizzle Query Builder III高级Implement a simplified in-memory query builder inspired by Drizzle ORM, with support for `innerJoin()` and `leftJoin()`