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fix(treesitter): TSNode:field() returns all children with the given field

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Riley Bruins
2025-02-15 13:33:38 -08:00
committed by Lewis Russell
parent 3e39250a79
commit 55b165ac15
4 changed files with 31 additions and 7 deletions
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19
test/functional/treesitter/node_spec.lua
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@@ -186,4 +186,23 @@ describe('treesitter node API', function()
eq(lua_eval('value:type()'), lua_eval('declarator:child_with_descendant(value):type()'))
eq(vim.NIL, lua_eval('value:child_with_descendant(value)'))
end)
it('gets all children with a given field name', function()
insert([[
function foo(a,b,c)
end
]])
exec_lua(function()
local tree = vim.treesitter.get_parser(0, 'lua'):parse()[1]
_G.parameters_node = assert(tree:root():named_descendant_for_range(0, 18, 0, 18))
_G.children_by_field = _G.parameters_node:field('name')
end)
eq('parameters', lua_eval('parameters_node:type()'))
eq(3, lua_eval('#children_by_field'))
eq('a', lua_eval('vim.treesitter.get_node_text(children_by_field[1], 0)'))
eq('b', lua_eval('vim.treesitter.get_node_text(children_by_field[2], 0)'))
eq('c', lua_eval('vim.treesitter.get_node_text(children_by_field[3], 0)'))
end)
end)