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local query = vim.treesitter.query
local predicates = {
---@param match TSQueryMatch
---@param pred string[]
---@param any boolean
---@return boolean
['kind-eq'] = function(match, pred, any)
local nodes = match[pred[2]]
if not nodes or #nodes == 0 then
return true
end
local types = { unpack(pred, 3) }
for _, node in ipairs(nodes) do
local res = vim.list_contains(types, node:type())
if any and res then
return true
elseif not any and not res then
return false
end
end
return not any
end,
}
-- register custom predicates (overwrite existing; needed for CI)
---@param match TSQueryMatch
---@param pred string[]
---@return boolean|nil
query.add_predicate('kind-eq?', function(match, _, _, pred)
return predicates['kind-eq'](match, pred, false)
end, { force = true })
---@param match TSQueryMatch
---@param pred string[]
---@return boolean|nil
query.add_predicate('any-kind-eq?', function(match, _, _, pred)
return predicates['kind-eq'](match, pred, true)
end, { force = true })
-- register custom directives
local mimetype_aliases = {
['importmap'] = 'json',
['module'] = 'javascript',
['application/ecmascript'] = 'javascript',
['text/ecmascript'] = 'javascript',
}
---@param match TSQueryMatch
---@param _ string
---@param bufnr integer
---@param pred string[]
---@return boolean|nil
query.add_directive('set-lang-from-mimetype!', function(match, _, bufnr, pred, metadata)
local id = pred[2]
local node = match[id]
local type_attr_value = vim.treesitter.get_node_text(node, bufnr, { metadata = metadata[id] })
local configured = mimetype_aliases[type_attr_value]
if configured then
metadata['injection.language'] = configured
else
local parts = vim.split(type_attr_value, '/', {})
metadata['injection.language'] = parts[#parts]
end
end, { force = true })
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