Include built Camino datatypes artifacts

2026-07-12 20:03:59 -07:00
parent 05f9add1eb
commit 016f471c81
10 changed files with 228 additions and 1 deletions
@@ -0,0 +1,48 @@
+import * as Automerge from "@automerge/automerge";
+const bytesToBase64 = (value) => Buffer.from(value).toString("base64");
+const base64ToBytes = (value) => Buffer.from(value, "base64");
+export const isCaminoCrdtEnvelope = (value) => Boolean(value) &&
+    typeof value === "object" &&
+    !Array.isArray(value) &&
+    typeof value.$caminoCrdtType ===
+        "string" &&
+    typeof value.$caminoCrdtPayload ===
+        "string" &&
+    (value.$caminoCrdtEncoding ===
+        undefined ||
+        value.$caminoCrdtEncoding ===
+            "base64");
+const assertEnvelopeType = (value, type) => {
+    if (value.$caminoCrdtType !== type) {
+        throw new Error(`CRDT type mismatch: expected ${type}, got ${value.$caminoCrdtType}`);
+    }
+};
+export const loadAutomergeFieldDoc = (value, type) => {
+    assertEnvelopeType(value, type);
+    return Automerge.load(base64ToBytes(value.$caminoCrdtPayload));
+};
+export const saveAutomergeFieldDoc = (doc, type) => ({
+    $caminoCrdtType: type,
+    $caminoCrdtEncoding: "base64",
+    $caminoCrdtPayload: bytesToBase64(Automerge.save(doc)),
+});
+export const createAutomergeFieldValue = (value, type) => saveAutomergeFieldDoc(Automerge.from({ value }), type);
+export const normalizeAutomergeFieldValue = (value, type) => {
+    if (isCaminoCrdtEnvelope(value)) {
+        return saveAutomergeFieldDoc(loadAutomergeFieldDoc(value, type), type);
+    }
+    return createAutomergeFieldValue(value, type);
+};
+export const materializeAutomergeFieldValue = (value, type) => loadAutomergeFieldDoc(value, type).value;
+export const mergeAutomergeFieldValues = ({ existing, incoming, type, }) => {
+    const incomingDoc = loadAutomergeFieldDoc(normalizeAutomergeFieldValue(incoming, type), type);
+    const mergedDoc = existing === undefined || existing === null
+        ? incomingDoc
+        : Automerge.merge(loadAutomergeFieldDoc(normalizeAutomergeFieldValue(existing, type), type), incomingDoc);
+    const stored = saveAutomergeFieldDoc(mergedDoc, type);
+    return {
+        stored,
+        materialized: mergedDoc.value,
+    };
+};
+//# sourceMappingURL=crdt-automerge.js.map