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feat(sync): add autoSerialize option (#42)

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* feat(sync): add `autoSerialize` option

* docs: fix `autoSerialize` note

* docs: fix typo
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richard 2025-01-25 14:07:14 -08:00 • committed by GitHub
parent 8eddd182d3
commit b8bb123379
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8 changed files with 55 additions and 49 deletions
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20
packages/charm-sync/src/patch.luau
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@ -45,10 +45,12 @@ end
@param prevState The previous state.
@param nextState The next state.
@param serializeArrays Whether to convert sparse arrays into dictionaries. Defaults to `true`.
@param serialize Whether to convert sparse arrays into dictionaries. Defaults to `true`.
@returns A patch that can be applied to the previous state.
]=]
local function diff(prevState: { [any]: any }, nextState: { [any]: any }, serializeArrays: boolean?)
local function diff(prevState: { [any]: any }, nextState: { [any]: any }, serialize: boolean?)
serialize = serialize ~= false
local patches = table.clone(nextState)
for key, previous in next, prevState do
@ -59,25 +61,19 @@ local function diff(prevState: { [any]: any }, nextState: { [any]: any }, serial
elseif current == nil then
patches[key] = None
elseif type(previous) == "table" and type(current) == "table" then
patches[key] = diff(previous, current, serializeArrays)
patches[key] = diff(previous, current, serialize)
end
end
-- Coerce sparse array patches into dictionaries
if serializeArrays ~= false and (prevState[1] ~= nil or nextState[1] ~= nil) then
if serialize and (prevState[1] ~= nil or nextState[1] ~= nil) then
patches = stringifySparseArray(patches)
end
if __DEV__ then
for key, value in next, prevState do
if serialize and __DEV__ then
for key, value in next, patches do
validate(value, key)
end
for key, value in nextState do
if prevState[key] ~= value then
validate(value, key)
end
end
end
return patches