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107 lines
4.4 KiB
107 lines
4.4 KiB
-- Showcase of the tui module's interactive prompts. Requires a terminal.
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-- Esc returns nil from any prompt (handled below); Ctrl-C aborts the script.
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--
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-- Run with: cargo run -- lua/tui_prompts.lua
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local function banner(s)
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print("\n=== " .. s .. " ===")
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end
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----------------------------------------------------------------------
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banner("1. confirm — yes/no")
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----------------------------------------------------------------------
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local go = tui.confirm("Run the whole showcase?", true, { help = "Esc anywhere skips that prompt" })
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if go == nil then
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print("(Esc pressed — nil means the user backed out, false means they answered no)")
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elseif not go then
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return
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end
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----------------------------------------------------------------------
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banner("2. promptText — defaults, placeholder, suggestions")
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----------------------------------------------------------------------
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-- The positional default is pre-filled and editable in place.
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local name = tui.promptText("Your name?", "ondra") or "anonymous"
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-- suggestions: type to filter (case-insensitive substring), Tab completes.
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-- opts.default (unlike the positional one) is only used on empty submit.
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local editor = tui.promptText("Favorite editor?", nil, {
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placeholder = "type to autocomplete",
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suggestions = { "vim", "neovim", "emacs", "helix", "vscode", "zed" },
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default = "vim",
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})
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-- minLen/maxLen re-prompt inline until satisfied.
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local tag = tui.promptText("Release tag? (3-10 chars)", nil, { minLen = 3, maxLen = 10 })
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----------------------------------------------------------------------
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banner("3. promptSelect — single and multiple choice")
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----------------------------------------------------------------------
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-- Single: returns the chosen string; the default sets the cursor.
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local lang = tui.promptSelect("Favorite language?", "lua", {
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options = { "lua", "rust", "c", "python", "javascript" },
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help = "type to filter the list",
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})
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-- Multiple: space toggles, enter submits; returns an array of strings.
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local toppings = tui.promptSelect("Pizza toppings?", { "cheese" }, {
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options = { "cheese", "ham", "mushrooms", "olives", "pineapple" },
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multiple = true,
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minSelected = 1,
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pageSize = 4,
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})
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----------------------------------------------------------------------
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banner("4. Numbers and dates")
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----------------------------------------------------------------------
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-- promptNumber accepts any number, promptInt only whole numbers; both
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-- re-prompt inline when the input doesn't parse or is out of range.
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local ratio = tui.promptNumber("Quality (0-1)?", 0.8, { min = 0, max = 1 })
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local port = tui.promptInt("Port?", 8080, { min = 1, max = 65535 })
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-- promptDate opens a calendar; dates are YYYY-MM-DD strings both ways.
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local day = tui.promptDate("Release day?", os.date("%Y-%m-%d"), {
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min = os.date("%Y-01-01"),
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max = os.date("%Y-12-31"),
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weekStart = "monday",
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})
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----------------------------------------------------------------------
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banner("5. promptSecret — hidden input")
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----------------------------------------------------------------------
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-- No default parameter on purpose. display: "masked" (default) shows *,
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-- "hidden" echoes nothing, "full" shows the text; toggle allows Ctrl-R.
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local secret = tui.promptSecret("API token?", { minLen = 4, toggle = true })
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----------------------------------------------------------------------
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banner("6. promptLongText — opens $EDITOR")
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----------------------------------------------------------------------
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local notes
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if tui.confirm("Open your editor for release notes?", false) then
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notes = tui.promptLongText("Release notes", "## " .. (tag or "next") .. "\n\n- ", { extension = ".md" })
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end
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----------------------------------------------------------------------
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banner("Summary")
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----------------------------------------------------------------------
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local function show(k, v)
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if v == nil then
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v = "<comment>(skipped)</comment>"
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elseif type(v) == "table" then
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v = table.concat(v, ", ")
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end
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print(tui.styled(" <info>" .. k .. "</info>: " .. tostring(v)))
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end
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show("name", name)
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show("editor", editor)
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show("tag", tag)
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show("language", lang)
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show("toppings", toppings)
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show("quality", ratio)
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show("port", port)
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show("release day", day)
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show("token", secret and string.rep("*", #secret))
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show("notes", notes and (#notes .. " chars"))
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tui.success("Showcase finished — see lua/tui_styles.lua for the output half of the module")
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