commit 6d426b20f0b0e7f8a6aa6d77035887ed7c6022e2
parent 2fae43b9ab8b4117b80170798483e60459301292
Author: Andrew Laack <andrew@laack.co>
Date: Thu, 28 May 2026 02:01:03 -0500
Added md parsing for flashcards, card traversal, card flipping, and general functionality
Diffstat:
| M | plugin/init.lua | | | 124 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------- |
1 file changed, 114 insertions(+), 10 deletions(-)
diff --git a/plugin/init.lua b/plugin/init.lua
@@ -1,3 +1,11 @@
+local state = {
+ buf = nil,
+ win = nil,
+ cards = {},
+ index = 1,
+ showing_back = false,
+}
+
local function shuffle(t)
for i = #t, 2, -1 do
local j = math.random(i)
@@ -6,23 +14,108 @@ local function shuffle(t)
return t
end
-local function flash()
+local function formatCard(strArr)
- local currentWin = vim.api.nvim_get_current_win()
+ local result = {}
+ local firstNonBlank = false
- local cwd = vim.fs.dirname(vim.api.nvim_buf_get_name(0))
+ for i = 2, #strArr do
+ if strArr[i] == "" and firstNonBlank == false then
+ goto continue
+ end
- local files = vim.split(vim.fn.glob(cwd .. "/*.md"), "\n")
+ firstNonBlank = true
+ table.insert(result, strArr[i])
+
+ ::continue::
+ end
+ return result
+end
+
+local function formatH1(str)
+ if not str then
+ return ""
+ end
+
+ if #str >= 3 then
+ return str:sub(3)
+ end
+
+ return ""
+end
+
+local function load_cards()
+ local cwd = vim.fs.dirname(vim.api.nvim_buf_get_name(0))
+ local files = vim.split(vim.fn.glob(cwd .. "/*.md"), "\n")
files = shuffle(files)
- local buf = vim.api.nvim_create_buf(false, true)
+ for index, _ in ipairs(files) do
+ local file = vim.fn.readfile(files[index])
+ -- add card to state
+ table.insert(state.cards, {
+ formatH1(file[1]), formatCard(file)
+ })
+ end
+end
+
+local function render()
+ vim.api.nvim_buf_set_lines(state.buf, 0, -1, false, {})
+ if state.showing_back then
+ vim.api.nvim_buf_set_lines(state.buf, 0, 10, false, state.cards[state.index][2])
+ else
+ vim.api.nvim_buf_set_lines(state.buf, 0, 10, false, {state.cards[state.index][1]})
+ end
+end
+
+
+local function previous_card()
+ state.index = state.index - 1
+ state.showing_back = false
+
+ if state.index < 1 then
+ state.index = #state.cards
+ end
+
+ render()
+end
+
+local function next_card()
+ state.index = state.index + 1
+ state.showing_back = false
+
+ if state.index > #state.cards then
+ state.index = 1
+ end
+
+ render()
+end
+
+local function flip_card()
+ state.showing_back = not state.showing_back
+ render()
+end
+
+local function flash()
+ load_cards()
+
+ -- if this was already opened close and reopen because that's easier than figuring out if the window
+ -- or buffer is rendered right now.
+ if state.win ~= nil then
+ vim.api.nvim_win_close(state.win, true)
+ end
+ if state.buf ~= nil then
+ vim.api.nvim_buf_delete(state.buf, { force = true })
+ end
+
+ state.win = vim.api.nvim_get_current_win()
+ state.buf = vim.api.nvim_create_buf(false, true)
local row = 0
local col = 0
- local width = vim.fn.winwidth(currentWin)
- local height = vim.fn.winheight(currentWin)
+ local width = vim.fn.winwidth(state.win)
+ local height = vim.fn.winheight(state.win)
local opts = {
width = width,
@@ -35,12 +128,23 @@ local function flash()
title_pos = "center"
}
- local _ = vim.api.nvim_open_win(buf, true, opts)
+ local _ = vim.api.nvim_open_win(state.buf, true, opts)
- local file = vim.fn.readfile(files[1])
- vim.api.nvim_buf_set_lines(buf, 0, 10, false, file)
+ render()
end
vim.api.nvim_create_user_command('Flash', flash, {})
+vim.api.nvim_create_user_command('Flip', flip_card, {})
+vim.api.nvim_create_user_command('NextCard', next_card, {}) -- defaults first side
+vim.api.nvim_create_user_command('PreviousCard', previous_card, {}) -- defaults first side
+
+
+-- TODO: Perhaps refactor 'Flash'
+-- TODO: Make commands more sensibly named
+ -- how does vimwiki do it? Namespacing perhaps?
+-- TODO: Smarter selection
+ -- would be cool to have a state directory that upweights based on some sort of recency / failure stuff
+ -- would be cool to have better tagging; tag cards based on categories of things or something like that?
+ -- perhaps you are expected to just put stuff in a directory for this?
