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refactor: update charm sync api

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littensy 2025-10-31 21:56:02 -07:00
parent 1e0b10aef6
commit 32788b19e1
13 changed files with 359 additions and 335 deletions
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54
packages/charm-sync/src/__tests__/client.spec.luau
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@ -2,8 +2,6 @@ local Charm = require("../../Charm")
local client = require("../client")
local suite = require("../../../../test/suite")
local atom = Charm.atom
local subscribe = Charm.subscribe
local test = suite.test
local afterEach = suite.afterEach
@ -11,29 +9,29 @@ afterEach(function()
client.reset()
end)
test("should sync state payload", function()
local a = atom(1)
test("should hydrate atom", function()
local a = Charm.atom(1)
client.syncAtoms({ a = a })
client.applyPayloads({
client.register({ a = a })
client.hydrate({
{ type = "init", data = { a = 2 } },
})
assert(a() == 2, "should set a to the initial value")
end)
test("should sync state patch", function()
local a = atom({ b = 1, c = 2 })
test("should merge patch", function()
local a = Charm.atom({ b = 1, c = 2 })
local previous = a()
client.syncAtoms({ a = a })
client.applyPayloads({
client.register({ a = a })
client.hydrate({
{ type = "init", data = { a = a() } },
})
assert(a() == previous, "should set a to the initial value")
client.applyPayloads({
client.hydrate({
{ type = "patch", data = { a = { b = 3 } } },
})
@ -43,17 +41,17 @@ test("should sync state patch", function()
end)
test("should fix sparse array patches", function()
local a = atom({ 1 })
local a = Charm.atom({ 1 })
client.syncAtoms({ a = a })
client.applyPayloads({
client.register({ a = a })
client.hydrate({
{ type = "init", data = { a = a() } },
})
-- This patch would be the result of a diff between { 1 } and { 1, 2 } that
-- was JSON-serialized and deserialized. The client should be able to catch
-- this and convert the string key back to a number.
client.applyPayloads({
client.hydrate({
{ type = "patch", data = { a = { ["2"] = 2 } } },
})
@ -61,21 +59,21 @@ test("should fix sparse array patches", function()
assert(a()[2] == 2, "should convert serialized arrays to use numbers")
end)
test("should apply multiple patches", function()
local a = atom(1)
test("should merge multiple patches", function()
local a = Charm.atom(1)
local calls = {}
client.syncAtoms({ a = a })
client.register({ a = a })
subscribe(a, function(value)
Charm.subscribe(a, function(value)
table.insert(calls, value)
end)
client.applyPayloads({
client.hydrate({
{ type = "init", data = { a = a() } },
})
client.applyPayloads({
client.hydrate({
{ type = "patch", data = { a = 2 } },
{ type = "patch", data = { a = 3 } },
})
@ -85,25 +83,25 @@ test("should apply multiple patches", function()
end)
test("should batch patches", function()
local a = atom(0)
local b = atom(0)
local a = Charm.atom(0)
local b = Charm.atom(0)
local states = {}
client.syncAtoms({ a = a, b = b })
client.register({ a = a, b = b })
subscribe(a, function()
Charm.subscribe(a, function()
states.b = b()
end)
subscribe(b, function()
Charm.subscribe(b, function()
states.a = a()
end)
client.applyPayloads({
client.hydrate({
{ type = "init", data = { a = a(), b = b() } },
})
client.applyPayloads({
client.hydrate({
{ type = "patch", data = { a = 1, b = 2 } },
})