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util/adhoc.lua @ 11962:9a70a543c727
util.async: Add next-tick configuration
Running woken runners in the next iteration of the event loop prevents
unexpected recursion, unexpected tracebacks, and is generally more
predictable.
The pattern is borrowed from util.promise, where we're now doing the same.
author | Matthew Wild <mwild1@gmail.com> |
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date | Mon, 29 Nov 2021 14:14:30 +0000 |
parent | 11352:e10567199f02 |
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-- luacheck: ignore 212/self local function new_simple_form(form, result_handler) return function(self, data, state) if state or data.form then if data.action == "cancel" then return { status = "canceled" }; end local fields, err = form:data(data.form); return result_handler(fields, err, data); else return { status = "executing", actions = {"next", "complete", default = "complete"}, form = form }, "executing"; end end end local function new_initial_data_form(form, initial_data, result_handler) return function(self, data, state) if state or data.form then if data.action == "cancel" then return { status = "canceled" }; end local fields, err = form:data(data.form); return result_handler(fields, err, data); else local values, err = initial_data(data); if type(err) == "table" then return {status = "error"; error = err} elseif type(err) == "string" then return {status = "error"; error = {type = "cancel"; condition = "internal-server-error", err}} end return { status = "executing", actions = {"next", "complete", default = "complete"}, form = { layout = form, values = values } }, "executing"; end end end return { new_simple_form = new_simple_form, new_initial_data_form = new_initial_data_form };