Function getNetworkDiff

packages/sync-core/src/lib/diff.ts:74–98

(
	diff: RecordsDiff<R>
)

 * @internal
 */
export function getNetworkDiff<R extends UnknownRecord>(
	diff: RecordsDiff<R>
): NetworkDiff<R> | null {
	let res: NetworkDiff<R> | null = null

	for (const [k, v] of objectMapEntries(diff.added)) {
		if (!res) res = {}
		res[k] = [RecordOpType.Put, v]
	}

	for (const [from, to] of objectMapValues(diff.updated)) {
		const diff = diffRecord(from, to)
		if (diff) {
			if (!res) res = {}
			res[to.id] = [RecordOpType.Patch, diff]
		}
	}

	for (const removed of Object.keys(diff.removed)) {
		if (!res) res = {}
		res[removed] = [RecordOpType.Remove]
	}

	return res
}

/**
 * Constants representing the types of operations that can be applied to individual values