Created
July 25, 2017 05:54
-
-
Save giann/6a1cc45e36dd10afae30744f9b8193ac to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
local co | |
local fetch = function(url) | |
local promise = js.global:fetch(url) | |
promise["then"](promise, function(_, res) | |
local jsonPromise = res:json() | |
jsonPromise["then"](jsonPromise, function(_, json) | |
co(json) | |
end) | |
end) | |
local res = coroutine.yield() | |
return res | |
end | |
local fetchAll = function(...) | |
local requests = {...} | |
for i = 1, #requests do | |
local promise = js.global:fetch(requests[i]) | |
promise["then"](promise, function(_, res) | |
local jsonPromise = res:json() | |
jsonPromise["then"](jsonPromise, function(_, json) | |
co(i, json) | |
end) | |
end) | |
end | |
local results = {} | |
for i = 1, #requests do | |
local requestId, response = coroutine.yield() | |
results[requestId] = response | |
end | |
return results | |
end | |
co = coroutine.wrap(function() | |
local bird1 = fetch("http://apiv3.iucnredlist.org/api/v3/species/loxodonta%20africana?token=9bb4facb6d23f48efbf424bb05c0c1ef1cf6f468393bc745d42179ac4aca5fee") | |
local bird2 = fetch("http://apiv3.iucnredlist.org/api/v3/species/Fratercula%20arctica/region/europe?token=9bb4facb6d23f48efbf424bb05c0c1ef1cf6f468393bc745d42179ac4aca5fee") | |
print("Sequential: ", bird1.name, bird2.name) | |
local birds = fetchAll( | |
"http://apiv3.iucnredlist.org/api/v3/species/loxodonta%20africana?token=9bb4facb6d23f48efbf424bb05c0c1ef1cf6f468393bc745d42179ac4aca5fee", | |
"http://apiv3.iucnredlist.org/api/v3/species/Fratercula%20arctica/region/europe?token=9bb4facb6d23f48efbf424bb05c0c1ef1cf6f468393bc745d42179ac4aca5fee" | |
) | |
print("Parallel: ") | |
for i = 1, #birds do | |
print(birds[i].name) | |
end | |
end) | |
co() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment