Marty/zettelkasten.nvim
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Refactor restricted option sets

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Added utility function must_contain which will crawl through a set and
emit an error if the value is not contained in it.
This commit is contained in:
Marty Oehme 2020-10-30 19:08:52 +01:00
parent 78a1948545
commit 1742b74d5a
Signed by: Marty
GPG key ID: B7538B8F50A1C800
1 changed files with 16 additions and 3 deletions
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19
lua/zettelkasten/options.lua
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@ -7,17 +7,30 @@ local ANCHOR_SEPARATOR = "_"
-- TODO zettel_root = vim.g["zettel_root"] or vim.b["zettel_root"] or "~/documents/notes",
-- TODO zettel_anchor_pattern = regex? -> needs custom creation function in `create_anchor`
-- constricted option sets
local ZETTEL_LINK_STYLE_OPTIONS = {markdown = true, wiki = true}
local function must_contain(set, value, name)
if type(set) ~= "table" then return false end
if not set[value] then
local allvalues = ""
for n, _ in pairs(set) do allvalues = n .. ", " .. allvalues end
error((name or "value") .. " " .. value .. " must be one of " ..
allvalues:sub(1, -3))
end
end
function Opt.zettel()
local options = {}
options.extension =
vim.g["zettel_extension"] or vim.b["zettel_extension"] or
ZETTEL_EXTENSION
options.link_style = vim.g["zettel_link_style"] or
vim.b["zettel_link_style"] or ZETTEL_LINK_STYLE
must_contain(ZETTEL_LINK_STYLE_OPTIONS, options.link_style,
"zettel_link_style")
if options.link_style ~= "wiki" and options.link_style ~= "markdown" then
error("zettel_link_style can only be set to markdown or wiki.")
end
return options
end