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feat: lua code generator for the README.md
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local M = {} | ||
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function M.read(file) | ||
local fd = assert(io.open(file, "r")) | ||
local data = fd:read("*a") ---@type string | ||
fd:close() | ||
return data | ||
end | ||
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function M.indent(str, indent) | ||
local lines = vim.split(str, "\n") | ||
for l, line in ipairs(lines) do | ||
lines[l] = (" "):rep(indent) .. line | ||
end | ||
return table.concat(lines, "\n") | ||
end | ||
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---@param str string | ||
function M.fix_indent(str) | ||
local lines = vim.split(str, "\n") | ||
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local width = 120 | ||
for _, line in ipairs(lines) do | ||
width = math.min(width, #line:match("^%s*")) | ||
end | ||
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for l, line in ipairs(lines) do | ||
lines[l] = line:sub(width) | ||
end | ||
return table.concat(lines, "\n") | ||
end | ||
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---@param contents table<string, string> | ||
function M.save(contents) | ||
local readme = M.read("README.md") | ||
for tag, content in pairs(contents) do | ||
content = M.fix_indent(content) | ||
content = content:gsub("%%", "%%%%") | ||
content = vim.trim(content) | ||
local pattern = "(<%!%-%- " .. tag .. "_start %-%->).*(<%!%-%- " .. tag .. "_end %-%->)" | ||
if not readme:find(pattern) then | ||
error("tag " .. tag .. " not found") | ||
end | ||
readme = readme:gsub(pattern, "%1\n\n```lua\n" .. content .. "\n```\n\n%2") | ||
end | ||
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local fd = assert(io.open("README.md", "w+")) | ||
fd:write(readme) | ||
fd:close() | ||
end | ||
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---@return string | ||
function M.extract(file, pattern) | ||
local init = M.read(file) | ||
return assert(init:match(pattern)) | ||
end | ||
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function M.update() | ||
local cache_config = M.extract("lua/lazy/core/cache.lua", "\nM%.config = ({.-\n})") | ||
local config = M.extract("lua/lazy/core/config.lua", "\nM%.defaults = ({.-\n})") | ||
config = config:gsub( | ||
"\n%s*%-%-%-@type LazyCacheConfig.*cache = nil,", | ||
"\n" .. M.indent("cache = " .. cache_config .. ",", 4) | ||
) | ||
config = config:gsub("%s*debug = false.\n", "\n") | ||
M.save({ | ||
bootstrap = M.extract("lua/lazy/init.lua", "function M%.bootstrap%(%)\n(.-)\nend"), | ||
config = config, | ||
spec = M.read("lua/lazy/example.lua"), | ||
}) | ||
vim.cmd.checktime() | ||
end | ||
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M.update() | ||
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return M |