Experimental ReScript Language Server in OCaml#8425

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rescript-lang:masterfrom

aspeddro:lsp

Commits on Dec 1, 2024

initial lsp
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Commits on Apr 29, 2026

update
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Commits on Apr 30, 2026

add state
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Commits on May 12, 2026

Extract server I/O into Server module and simplify handlers
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Add parse_implementation_from_source and refactor LSP server
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Commits on May 13, 2026

Merge branch 'master' into lsp
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Commits on May 14, 2026

Split LSP into bin/src layout and add hover integration test
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Commits on May 16, 2026

Refactor analysis to decouple I/O from core logic
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Delegate hover logic to `Analysis.Commands.hover`
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Rename `tokenModifiersString` to `tokenModifiers` with correct type
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Commits on May 22, 2026

Merge branch 'master' into lsp
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Update dune-project
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Commits on May 30, 2026

Merge branch 'master' into lsp
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Commits on May 31, 2026

Merge branch 'master' into lsp
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Refactor LSP test infrastructure
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ci: add linux-headers
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ci: add linux-headers-generic
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ci: linux-libc-dev
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ci: add build-essential
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ci: add build-essential and linux-libc-dev
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ci: update cache version to v5
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Commits on Jun 1, 2026

ci: make Linux headers visible to musl-gcc
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Merge branch 'master' into lsp
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ci: support arm and disable test for build for ocaml 5.0
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Commits on Jun 2, 2026

makefile: add test-lsp
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Commits on Jun 3, 2026

Merge branch 'master' into lsp
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Commits on Jun 5, 2026

Add LSP compiler diagnostics and file watching
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Commits on Jun 6, 2026

Comment to add more compiler log test
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ci: add lsp test step
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fix opam install ppx_expect
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ci: run test inside opam `opam exec --`
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lsp: disable hover supports_markdown_links for now
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Move Eio_main setup to LSP executable
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ci: skip lsp tests on Windows
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Commits on Jun 7, 2026

Expand LSP request handling and diagnostics
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Enforce LSP server lifecycle
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analysis refactor: remove global state `Shared_types.state`
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lsp: use analysis state
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Commits on Jun 8, 2026

Revert "analysis refactor: remove global state `Shared_types.state`"
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Merge branch 'master' into lsp
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analysis: add state_to_yojson
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lsp: refactor load_full
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Commits on Jun 9, 2026

add minimal param to State.to_yojson
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Makefile: skip test on Windows and update ci
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Commits on Jun 10, 2026

refactor: add `discover_subpackages_and_populate`
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Merge branch 'master' into lsp
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fix type error from latest master merge
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Improve LSP workspace initialization and package resolution
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Commits on Jun 13, 2026

Implement code_actions.ml
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lsp format: use `rescript format` command
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Add code actions from compiler log
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Commits on Jun 14, 2026

Add LSP configuration handling
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Circular dependency diagnostics: expand end character
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Add LSP compiler config parsing
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add code actions and custom requests
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fix dune tests
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Commits on Jun 15, 2026

code action: check for window/showDocuent support
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Commits on Jun 16, 2026

Add LSP file navigation commands
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chore: renames and minor fixes
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add todo comments and minor fixes
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add lsp.md
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Update lsp.md
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Commits on Jun 17, 2026

Merge branch 'master' into lsp
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Omit empty document symbol children
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Fix lsp document symbol
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Update lsp.md
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Add server notification `rescript/compilationFinished`
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compiler_log: add warning number
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Commits on Jun 18, 2026

add warning number in diagnostic message
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Add more test to compiler log parser
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Add cli
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Commits on Jun 19, 2026

fix Neovim bug document symbol
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minimal refactor on rescript_language_server.ml
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support `workspace/codeLens/refresh`
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Resolve runtime packages from workspace node_modules
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build system: remove `RESCRIPT_RUNTIME` env var
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Make Configuration unstrict
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add more log message for invalid settings
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dump server state: add configuration and order elements
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Server request settings from item `rescript.settings`
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move Exit to end
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Support TextDocumentDiagnostic and improve TextDocumentDidOpen
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Keep diagnostic sources separate
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Use sourcedirs for initial compiler diagnostics
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remove double newline from message diagnostic
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update analysis tests
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Commits on Jun 20, 2026

refactor compiler log parser
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cli, print to stderr
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refactor compiler log to use option for range
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Update compiler log tests snapshots
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Update compiler_config.ml
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Remove comment from code_actions.ml
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Avoid duplicate syntax diagnostics on document changes
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minor fixes: add todo comment and fix typos in messages
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workspace/configuration section must use `rescript`
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Improve todo comments
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Update lsp.md
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Update lsp.md
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Refactor cmt_viewer.dump for serve-side
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Commits on Jun 21, 2026

Refactor execute commands. Move logic to module execute_commands.ml
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Move format logic to module Formatter.ml
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Refactor code, better error messages
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Analysis cmt dump return a string instead a option
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Update lsp.md
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minor fixes
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minor refactor
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Commits on Jun 22, 2026

Merge branch 'master' into lsp
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Commits on Jun 30, 2026

fix typo: Unknow -> Unknown
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code actions: use %todo
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Update lsp.md
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Update lsp.md
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lsp.md: fix typos
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Commits on Jul 1, 2026

Add rescript_language_server.mli
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Commits on Jul 12, 2026

update formatter and lsp.md
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Commits on Jul 16, 2026

Resolve some TODOs
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Commits on Jul 17, 2026

Restore get_runtime_dir in build_system.ml
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Resolve todo resolve dep resolution using analysis
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Remove signature help setting. Enable by default
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Replace command `rescript-vscode.go_to_location` with native URls
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Update lsp.md
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Merge branch 'master' into lsp
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Restore step ci `Make Linux headers visible to musl-gcc`
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Update action.yml
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Restore version in action.yml
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Fix uring install on ci
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Update lsp.md and add notes.md
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Integrate lsp command into Rewatch
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Make binary statically linked
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Commits on Jul 25, 2026

Fix stale and flickering LSP diagnostics
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add lsp in COMPILER_SOURCES
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fix duplicated diagnostic
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Update test.ml
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Fix formatter
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Commits on Jul 26, 2026

Refactor document store to use incremental text change
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Fix neovim bug in test dev
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