refactor(chunk_graph): split methods of ChunkGraph into different files

[hyf0]

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Summary

🤖 Generated by Copilot at ec69ebd

This pull request refactors the code related to the chunk graph in rspack_core, a core library for a webpack-like bundler. It introduces two new modules, chunk_graph_chunk.rs and chunk_graph_module.rs, that define structs and methods for representing and manipulating the chunks and modules in the chunk graph. The goal of this refactoring is to improve the code quality, readability, and maintainability.

Walkthrough

🤖 Generated by Copilot at ec69ebd

• Refactor the chunk graph code into two new modules: chunk_graph_chunk.rs and chunk_graph_module.rs (link, link)
• Define a struct ChunkGraphChunk that represents a chunk in the chunk graph and its methods (link)
• Define a struct ChunkGraphModule that represents a module in the chunk graph and its methods (link)
• Simplify and modularize the code related to the chunk graph logic and optimization (link, link)

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Latest commit: ec69ebd

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