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|
---@brief
---
--- https://github.com/angular/vscode-ng-language-service
--- `angular-language-server` can be installed via npm `npm install -g @angular/language-server`.
---
--- ```lua
--- local project_library_path = "/path/to/project/lib"
--- local cmd = {"ngserver", "--stdio", "--tsProbeLocations", project_library_path , "--ngProbeLocations", project_library_path}
---
--- vim.lsp.config('angularls', {
--- cmd = cmd,
--- })
--- ```
-- Angular requires a node_modules directory to probe for @angular/language-service and typescript
-- in order to use your projects configured versions.
local fs, fn, uv = vim.fs, vim.fn, vim.uv
local function collect_node_modules(root_dir)
local results = {}
local project_node = fs.joinpath(root_dir, 'node_modules')
if uv.fs_stat(project_node) then
table.insert(results, project_node)
end
local ngserver_exe = fn.exepath('ngserver')
if ngserver_exe and #ngserver_exe > 0 then
local realpath = uv.fs_realpath(ngserver_exe) or ngserver_exe
local candidate = fs.normalize(fs.joinpath(fs.dirname(realpath), '../../node_modules'))
if uv.fs_stat(candidate) then
table.insert(results, candidate)
end
end
local internal_servers = fn.globpath(fn.stdpath('data'), '**/node_modules/.bin/ngserver', true, true)
for _, exe in ipairs(internal_servers) do
local realpath = uv.fs_realpath(exe) or exe
local candidate = fs.normalize(fs.joinpath(fs.dirname(realpath), '../../node_modules'))
if uv.fs_stat(candidate) then
table.insert(results, candidate)
end
end
return results
end
local function get_angular_core_version(root_dir)
local package_json = fs.joinpath(root_dir, 'package.json')
if not uv.fs_stat(package_json) then
return ''
end
local ok, f = pcall(io.open, package_json, 'r')
if not ok or not f then
return ''
end
local json = vim.json.decode(f:read('*a')) or {}
f:close()
local version = (json.dependencies or {})['@angular/core'] or ''
return version:match('%d+%.%d+%.%d+') or ''
end
---@type vim.lsp.Config
return {
cmd = function(dispatchers, config)
local root_dir = config.root or fn.getcwd()
local node_paths = collect_node_modules(root_dir)
local ts_probe = table.concat(node_paths, ',')
local ng_probe = table.concat(
vim
.iter(node_paths)
:map(function(p)
return fs.joinpath(p, '@angular/language-server/node_modules')
end)
:totable(),
','
)
local cmd = {
'ngserver',
'--stdio',
'--tsProbeLocations',
ts_probe,
'--ngProbeLocations',
ng_probe,
'--angularCoreVersion',
get_angular_core_version(root_dir),
}
return vim.lsp.rpc.start(cmd, dispatchers)
end,
filetypes = { 'typescript', 'html', 'typescriptreact', 'typescript.tsx', 'htmlangular' },
root_markers = { 'angular.json', 'nx.json' },
}
|
