Pin nvim-treesitter to fix 'Invalid node type tab' error#67
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michaelbarton merged 5 commits intomasterfrom Feb 25, 2026
Merged
Pin nvim-treesitter to fix 'Invalid node type tab' error#67michaelbarton merged 5 commits intomasterfrom
michaelbarton merged 5 commits intomasterfrom
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Remove stale vim parser from site directory on startup. A cached tree-sitter-vim parser conflicts with nvim-treesitter managed queries that reference the newer 'tab' node type. See: nvim-treesitter/nvim-treesitter#8369 https://claude.ai/code/session_01SjsUhg3Q9k8a3nmnDUoMii
The previous fix tried to remove a stale parser file, but the real issue is the vim highlights query referencing a "tab" node type that doesn't exist in the installed tree-sitter-vim parser. This fix reads the query files at startup, strips the "tab" reference, and re-sets the patched query via vim.treesitter.query.set(). See: nvim-treesitter/nvim-treesitter#8369 https://claude.ai/code/session_01SjsUhg3Q9k8a3nmnDUoMii
The previous runtime patching approach couldn't be verified. Pinning to commit d0bf5ff (Dec 17, before the "tab" node was added to vim/highlights.scm) is a known working fix. See: nvim-treesitter/nvim-treesitter#8369 https://claude.ai/code/session_01SjsUhg3Q9k8a3nmnDUoMii
Collapse multi-line raise onto single line to satisfy black --line-length=100 check. https://claude.ai/code/session_01SjsUhg3Q9k8a3nmnDUoMii
The pin approach prevents the issue at the source by using a known working nvim-treesitter version, rather than cleaning up stale parsers at runtime. https://claude.ai/code/session_01SjsUhg3Q9k8a3nmnDUoMii
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Summary
nvim-treesitterto commitd0bf5ff(before the"tab"node type was added toqueries/vim/highlights.scm)"Invalid node type 'tab'"error caused by a mismatch between nvim-treesitter's query and the installed tree-sitter-vim parser"tab"supportTest plan
"Invalid node type 'tab'"error appearsSee: nvim-treesitter/nvim-treesitter#8369
https://claude.ai/code/session_01SjsUhg3Q9k8a3nmnDUoMii