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local M = {}
function M.set_buf_indent_opts(opts)
local optnames = {'tabstop', 'shiftwidth', 'softtabstop', 'expandtab'}
for _, opt in ipairs(optnames) do
if opts[opt] ~= nil then
vim.bo[opt] = opts[opt]
end
end
end
function M.indent_whole_file(file, opts)
assert.are.same(1, vim.fn.filereadable(file))
-- load reference file
vim.cmd(string.format('edit %s', file))
local reference = vim.api.nvim_buf_get_lines(0, 0, -1, true)
-- FIXME: why this is not set automatically?
vim.bo.indentexpr = 'nvim_treesitter#indent()'
assert.are.same('nvim_treesitter#indent()', vim.bo.indentexpr)
M.set_buf_indent_opts(opts)
-- indent the whole file
vim.cmd 'silent normal gg=G'
local indented = vim.api.nvim_buf_get_lines(0, 0, -1, true)
-- clear any changes to avoid 'No write since last change (add ! to override)'
vim.cmd 'edit!'
-- compare before and after
assert.are.same(reference, indented)
end
return M
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