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feat: add reactive()

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littensy 2025-11-18 20:39:37 -08:00
parent 7bad215560
commit bd23d54374
26 changed files with 1129 additions and 569 deletions
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35
packages/charm-sync/src/__tests__/e2e.spec.luau
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@ -16,9 +16,9 @@ end)
test("should replicate server state to client", function()
local target = {}
local serverA = Charm.atom({ count = 0 })
local serverB = Charm.atom({ count = 0 })
local serverB = Charm.reactive({ count = 0 })
local clientA = Charm.atom({ count = -1 })
local clientB = Charm.atom({ count = -1 })
local clientB = Charm.reactive({ count = -1 })
client.addSignals({ a = clientA, b = clientB })
server.addSignalsToClient(target, { a = serverA, b = serverB })
@ -30,27 +30,32 @@ test("should replicate server state to client", function()
server.flush()
assert(clientA().count == 0, "Client atom A should be initialized to 0")
assert(clientB().count == 0, "Client atom B should be initialized to 0")
assert(clientB.count == 0, "Client reactive B should be initialized to 0")
serverA({ count = 1 })
serverB({ count = 1 })
serverB.count = 1
server.flush()
assert(clientA().count == 1, "Client atom A should be updated to 1")
assert(clientB().count == 1, "Client atom B should be updated to 1")
assert(clientB.count == 1, "Client reactive B should be updated to 1")
local runs = -1
Charm.effect(function()
local _ = clientB.count
runs += 1
end)
local prevClientB = clientB()
serverA({ count = 2 })
server.flush()
assert(clientA().count == 2, "Client atom A should be updated to 2")
assert(clientB() == prevClientB, "Client atom B should not be updated")
assert(runs == 0, "Client reactive B should not trigger update")
end)
test("should replicate historical server state to client", function()
local target = {}
local serverA = Charm.atom({ count = 0 })
local serverB = Charm.atom({ count = 0 })
local serverB = Charm.reactive({ count = 0 })
local clientA = Charm.atom({ count = -1 })
local clientB = Charm.atom({ count = -1 })
local clientB = Charm.reactive({ count = -1 })
config.preserveHistory = true
@ -67,30 +72,28 @@ test("should replicate historical server state to client", function()
Charm.effect(function()
local expected = table.remove(expectedA, 1)
assert(expected == clientA().count, `Client atom A should be {expected}`)
assert(expected == clientA().count, `Client reactive A should be {expected}`)
end)
Charm.effect(function()
local expected = table.remove(expectedB, 1)
assert(expected == clientB().count, `Client atom B should be {expected}`)
assert(expected == clientB.count, `Client reactive B should be {expected}`)
end)
server.flush()
serverA({ count = 1 })
serverA({ count = 2 })
serverB({ count = 1 })
serverB({ count = 2 })
serverB.count = 1
serverB.count = 2
server.flush()
assert(clientA().count == 2, "Client atom A should be updated to 2")
assert(clientB().count == 2, "Client atom B should be updated to 2")
assert(clientB.count == 2, "Client reactive B should be updated to 2")
local prevClientB = clientB()
serverA({ count = 3 })
serverA({ count = 4 })
server.flush()
assert(clientA().count == 4, "Client atom A should be updated to 4")
assert(clientB() == prevClientB, "Client atom B should not be updated")
end)
return {}