An Introduction to the Ruby LSP Add-on System | Rails at Scale

10-Oct-2024 176
Ruby LSP is a language server implementation designed to streamline writing Ruby code. It uses static analysis to parse your code to provide editor features. However, in the Ruby ecosystem, dynamic programming and DSLs are commonly used to extend Ruby, and this can be a challenge for editor tooling. Rails, in particular, leverages these techniques extensively. Since any gem can define its own DSL written with meta-programming, it wouldn’t be feasible to add specialized handling for each one in the Ruby LSP static analysis toolkit. Additionally, each project uses a different set of dependencies. Trying to handle all possible DSLs at the same time could degrade both performance and correctness.
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