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create event listener table on fire if it doesn't exist #2

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create event listener table on fire if it doesn't exist #2

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1 change: 1 addition & 0 deletions scene.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -220,6 +220,7 @@ end

-- Sends event to current node only
function node:fire(event_type, ...)
self.listeners[event_type] = self.listeners[event_type] or {}
for _, listener in ipairs(self.listeners[event_type]) do
local stopLocal, stopGlobal = listener(...)
if stopGlobal then
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11 changes: 11 additions & 0 deletions spec/event_spec.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,11 @@ describe("event listeners", function()
assert.is_equal(test_obj.test_value, 3)
end)

it("can be emitted without listener", function()
local node = scene.node()
node:emit("test")
end)

it("can be broadcasted", function()
local node1 = scene.node{id="1"}
local node2 = scene.node{id="2"}
Expand All @@ -71,4 +76,10 @@ describe("event listeners", function()
assert.is_equal(test_obj.received[2], node2)
assert.is_equal(test_obj.received[3], node3)
end)

it("can be broadcasted without listener", function()
local node = scene.node({id="1"})
node:broadcast("test")
end)

end)