137 lines
2.9 KiB
Lua
137 lines
2.9 KiB
Lua
local M = {}
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local parsers = require 'nvim-treesitter.parsers'
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local SYMBOL_COMPONENT = 27
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local SYMBOL_FRAGMENT = 28
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function M.should_use_provider(bufnr)
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local ft = vim.api.nvim_buf_get_option(bufnr, 'ft')
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return string.match(ft, 'typescriptreact')
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or string.match(ft, 'javascriptreact')
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end
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function M.hover_info(_, _, on_info)
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on_info(
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nil,
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{
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contents = {
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kind = 'nvim-lsp-jsx',
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contents = { 'No extra information availaible!' },
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},
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}
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)
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end
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local function get_open_tag(node)
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if node:type() == 'jsx_element' then
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for _, outer in ipairs(node:field 'open_tag') do
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if outer:type() == 'jsx_opening_element' then
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return outer
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end
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end
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end
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return nil
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end
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local function jsx_node_detail(node, buf)
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node = get_open_tag(node) or node
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local param_nodes = node:field 'attribute'
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if #param_nodes == 0 then
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return nil
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end
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local res = '{ '
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.. table.concat(
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vim.tbl_map(function(el)
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local a, b, c, d = el:range()
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local text = vim.api.nvim_buf_get_text(buf, a, b, c, d, {})
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return text[1]
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end, param_nodes),
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' '
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)
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.. ' }'
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return res
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end
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local function jsx_node_tagname(node, buf)
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local tagnode = get_open_tag(node) or node
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local identifier = nil
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for _, val in ipairs(tagnode:field 'name') do
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if val:type() == 'identifier' then
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identifier = val
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end
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end
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if identifier then
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local a, b, c, d = identifier:range()
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local text = vim.api.nvim_buf_get_text(buf, a, b, c, d, {})
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local name = table.concat(text)
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return name
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end
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end
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local function convert_ts(child, children, bufnr)
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local is_frag = (child:type() == 'jsx_fragment')
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local a, b, c, d = child:range()
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local range = {
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start = { line = a, character = b },
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['end'] = { line = c, character = d },
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}
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local converted = {
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name = (not is_frag and (jsx_node_tagname(child, bufnr) or '<unknown>'))
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or 'fragment',
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children = (#children > 0 and children) or nil,
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kind = (is_frag and SYMBOL_FRAGMENT) or SYMBOL_COMPONENT,
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detail = jsx_node_detail(child, bufnr),
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range = range,
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selectionRange = range,
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}
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return converted
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end
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local function parse_ts(root, children, bufnr)
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children = children or {}
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for child in root:iter_children() do
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if
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vim.tbl_contains(
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{ 'jsx_element', 'jsx_self_closing_element' },
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child:type()
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)
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then
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local new_children = {}
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parse_ts(child, new_children, bufnr)
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table.insert(children, convert_ts(child, new_children, bufnr))
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else
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parse_ts(child, children, bufnr)
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end
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end
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return children
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end
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function M.request_symbols(on_symbols)
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local bufnr = 0
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local parser = parsers.get_parser(bufnr)
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local root = parser:parse()[1]:root()
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local symbols = parse_ts(root, nil, bufnr)
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-- local symbols = convert_ts(ctree)
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on_symbols { [1000000] = { result = symbols } }
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end
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return M
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