Do not rely on nvim-treesitter module system

[ofseed]

The nvim-treesitter has an experimental main branch, which will be the default in the future. It dropped the module system, so the following code

vim-illuminate/plugin/illuminate.vim

Lines 15 to 22 in 82aae86

	ts.define_modules({
	illuminate = {
	module_path = 'illuminate.providers.treesitter',
	enable = true,
	disable = {},
	is_supported = require('nvim-treesitter.query').has_locals,
	}
	})

will not be valid anymore.

Some APIs were built-in by vim.treesitter and will be removed from the main branch of nvim-treesitter, so the following API

vim-illuminate/lua/illuminate/providers/treesitter.lua

Line 1 in 5eeb795

local ts_utils = require('nvim-treesitter.ts_utils')

vim-illuminate/lua/illuminate/providers/treesitter.lua

Line 9 in 5eeb795

local node_at_point = ts_utils.get_node_at_cursor()

has an equivalent API, vim.treesitter.get_node().

Many plugins already support the nvim-treesitter main branch because it could be compatible with the mainstream master branch, and I noticed that it should not need much work for this plugin to be compatible with the main branch. Since the main branch will be the default in the future, it would be better if this plugin supports it faster.

[RRethy]

Yea, I've been aware of this for some time I just haven't found the time to implement it. I'm open to PRs which fix this if you have time to spare. Eventually I'll get to it, just not sure when.