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Implement local-first canvas sync and fix drag edge stability

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Matthias
2026-04-01 09:40:31 +02:00
parent c1d7a49bc3
commit 32bd188d89
19 changed files with 1095 additions and 283 deletions
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143
components/canvas/canvas-placement-context.tsx
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@@ -7,102 +7,63 @@ import {
useMemo,
type ReactNode,
} from "react";
import type { ReactMutation } from "convex/react";
import type { FunctionReference } from "convex/server";
import { useStore, type Edge as RFEdge } from "@xyflow/react";
import type { Id } from "@/convex/_generated/dataModel";
import { NODE_DEFAULTS, NODE_HANDLE_MAP } from "@/lib/canvas-utils";
type CreateNodeMutation = ReactMutation<
FunctionReference<
"mutation",
"public",
{
canvasId: Id<"canvases">;
type: string;
positionX: number;
positionY: number;
width: number;
height: number;
data: unknown;
parentId?: Id<"nodes">;
zIndex?: number;
clientRequestId?: string;
},
Id<"nodes">
>
>;
type CreateNodeArgs = {
canvasId: Id<"canvases">;
type: string;
positionX: number;
positionY: number;
width: number;
height: number;
data: unknown;
parentId?: Id<"nodes">;
zIndex?: number;
clientRequestId?: string;
};
type CreateNodeWithEdgeSplitMutation = ReactMutation<
FunctionReference<
"mutation",
"public",
{
canvasId: Id<"canvases">;
type: string;
positionX: number;
positionY: number;
width: number;
height: number;
data: unknown;
parentId?: Id<"nodes">;
zIndex?: number;
splitEdgeId: Id<"edges">;
newNodeTargetHandle?: string;
newNodeSourceHandle?: string;
splitSourceHandle?: string;
splitTargetHandle?: string;
},
Id<"nodes">
>
>;
type CreateNodeWithEdgeSplitArgs = {
canvasId: Id<"canvases">;
type: string;
positionX: number;
positionY: number;
width: number;
height: number;
data: unknown;
parentId?: Id<"nodes">;
zIndex?: number;
splitEdgeId: Id<"edges">;
newNodeTargetHandle?: string;
newNodeSourceHandle?: string;
splitSourceHandle?: string;
splitTargetHandle?: string;
};
type CreateNodeWithEdgeFromSourceMutation = ReactMutation<
FunctionReference<
"mutation",
"public",
{
canvasId: Id<"canvases">;
type: string;
positionX: number;
positionY: number;
width: number;
height: number;
data: unknown;
parentId?: Id<"nodes">;
zIndex?: number;
clientRequestId?: string;
sourceNodeId: Id<"nodes">;
sourceHandle?: string;
targetHandle?: string;
},
Id<"nodes">
>
>;
type CreateNodeWithEdgeFromSourceArgs = CreateNodeArgs & {
sourceNodeId: Id<"nodes">;
sourceHandle?: string;
targetHandle?: string;
};
type CreateNodeWithEdgeToTargetMutation = ReactMutation<
FunctionReference<
"mutation",
"public",
{
canvasId: Id<"canvases">;
type: string;
positionX: number;
positionY: number;
width: number;
height: number;
data: unknown;
parentId?: Id<"nodes">;
zIndex?: number;
clientRequestId?: string;
targetNodeId: Id<"nodes">;
sourceHandle?: string;
targetHandle?: string;
},
Id<"nodes">
>
>;
type CreateNodeWithEdgeToTargetArgs = CreateNodeArgs & {
targetNodeId: Id<"nodes">;
sourceHandle?: string;
targetHandle?: string;
};
type CreateNodeMutation = (args: CreateNodeArgs) => Promise<Id<"nodes">>;
type CreateNodeWithEdgeSplitMutation = (
args: CreateNodeWithEdgeSplitArgs,
) => Promise<Id<"nodes">>;
type CreateNodeWithEdgeFromSourceMutation = (
args: CreateNodeWithEdgeFromSourceArgs,
) => Promise<Id<"nodes">>;
type CreateNodeWithEdgeToTargetMutation = (
args: CreateNodeWithEdgeToTargetArgs,
) => Promise<Id<"nodes">>;
type FlowPoint = { x: number; y: number };
@@ -296,6 +257,12 @@ export function CanvasPlacementProvider({
notifySettled(realId);
return realId;
} catch (error) {
if (
error instanceof Error &&
error.message === "offline-unsupported"
) {
throw error;
}
console.error("[Canvas placement] edge split failed", {
edgeId: hitEdge.id,
type,