From 53870ac1f26b6fd498352598de0507e9aa5967d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=F0=9D=91=B7=F0=9D=92=89=F0=9D=92=8A=F0=9D=92=8D?=
 =?UTF-8?q?=F0=9D=92=90=F0=9D=92=84=F0=9D=92=82=F0=9D=92=8D=F0=9D=92=9A?=
 =?UTF-8?q?=F0=9D=92=94=F0=9D=92=95?= <regime_skylark.0y@icloud.com>
Date: Mon, 11 May 2026 20:40:52 -0400
Subject: [PATCH] core: migrated code to new api surface

---
 src/core/Atomic.ts    |  4 ++--
 src/core/DataUtils.ts | 13 ++++++-------
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/src/core/Atomic.ts b/src/core/Atomic.ts
index ca129b02..f2fd7f90 100644
--- a/src/core/Atomic.ts
+++ b/src/core/Atomic.ts
@@ -7,7 +7,7 @@ import { MarkOptional } from "ts-essentials";
 import { ErrorObject } from "serialize-error";
 import { PlayPlatformIdStr } from "../backend/common/infrastructure/Atomic.js";
 import { FlowControlTerm } from "../backend/common/infrastructure/Transform.js";
-import { IJsonDelta } from "json-diff-ts";
+import { Changeset } from "json-diff-ts";
 
 export interface SourceStatusData {
     status: string;
@@ -327,7 +327,7 @@ export interface LifecycleStep {
     flowReason?: string
     flowKnownState?: 'skip' | 'prereq'
     error?: ErrorLike
-    patch?: IJsonDelta
+    patch?: Changeset
     inputs?: LifecycleInput[]
 }
 
diff --git a/src/core/DataUtils.ts b/src/core/DataUtils.ts
index 64c4049d..663a02b4 100644
--- a/src/core/DataUtils.ts
+++ b/src/core/DataUtils.ts
@@ -1,6 +1,6 @@
 import { create as diffCreate } from "jsondiffpatch";
 import { numberFormatOptions } from './Atomic.js';
-import { diffDelta, applyDelta, IJsonDelta, DeltaOptions } from 'json-diff-ts';
+import { diff, applyChangeset, Changeset, Options } from 'json-diff-ts';
 // may want to return to this one day
 // but currently the jsondiffpatch formatter is the best console/ansi diff output for humans :(
 //import {DiffOptions, DiffOptionsColor, diff as jestDiff} from 'jest-diff';
@@ -19,18 +19,17 @@ export const jdiff = diffCreate({
     //omitRemovedValues: true
 });
 
-const diffOptions: DeltaOptions = {
-    /*arrayIdentityKeys: {artists: '$value'},*/ 
-    reversible: false, 
+const diffOptions: Options = {
+    /*arrayIdentityKeys: {artists: '$value'},*/
     keysToSkip: ['playDate','playDateCompleted','listenRanges']
 };
 
 export const diffObjects = (a: object, b: object) => {
-    return diffDelta(a, b, diffOptions);
+    return diff(a, b, diffOptions);
 }
 
-export const patchObject = <T>(a: T, b: IJsonDelta): T => {
-    return applyDelta(clone(a), b);
+export const patchObject = <T>(a: T, b: Changeset): T => {
+    return applyChangeset(clone(a), b);
 }
 
 // const jestDiffOptions: DiffOptions = {
-- 
2.51.2