31 lines
545 B
Lua
31 lines
545 B
Lua
local unpack = unpack or table.unpack
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function async(func)
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return function(...)
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local promise = Promise()
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promise.__on_resolve = func
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local args = {...}
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lua_async.resume(coroutine.create(function()
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promise:resolve(unpack(args))
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end))
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return promise
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end
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end
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function await(promise)
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local co = assert(coroutine.running(), "await called outside of an async function")
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if promise.state == "pending" then
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promise:then_(function()
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lua_async.resume(co)
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end)
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coroutine.yield()
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end
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return unpack(promise.values)
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end
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