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TA1-48: Update how marking is serialised for Hazel #90

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Merged
merged 1 commit into from
Nov 6, 2025
Merged

TA1-48: Update how marking is serialised for Hazel #90

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14 changes: 8 additions & 6 deletions pocs/petrinaut-hazel/src/main/app.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -51,14 +51,19 @@ const isValidNetDefinition = (
/**
* Converts SimulationState to a 2D array format.
* Each step becomes an array of objects with placeId, marking, and placeLabel.
*
* Marking is also converted to a representation of an association list.
*/
const simulationStateTo2DArray = (
const simulationStateToHazelFormat = (
simulationState: SimulationState,
): HazelSimulationState => {
return simulationState.map((step) => {
return Object.entries(step).map(([placeId, { marking, placeLabel }]) => ({
placeId,
marking,
marking: Object.entries(marking).map(([tokenId, count]) => ({
0: tokenId,
1: count,
})),
placeLabel,
}));
});
Expand All @@ -77,7 +82,7 @@ const convertSimulationStateForHazel = (
return undefined;
}

return simulationStateTo2DArray(simulationState);
return simulationStateToHazelFormat(simulationState);
};

/**
Expand All @@ -95,8 +100,6 @@ export const App = () => {
id,
codec: "json",
onInit: (value) => {
console.log("Received value", value);

try {
const parsedValue = JSON.parse(value);

Expand All @@ -123,7 +126,6 @@ export const App = () => {

const reportSimulationState = useCallback(
(simulationState: SimulationState) => {
console.log("Simulation state reported");
setSimulationState(simulationState);

setSyntax({
Expand Down
14 changes: 9 additions & 5 deletions pocs/petrinaut-hazel/src/main/app/use-hazel-integration.ts
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Original file line number Diff line number Diff line change
@@ -1,7 +1,4 @@
import type {
PetriNetDefinitionObject,
TokenCounts,
} from "@hashintel/petrinaut";
import type { PetriNetDefinitionObject } from "@hashintel/petrinaut";
import { useCallback, useEffect, useState } from "react";

export type MessageToHazel =
Expand Down Expand Up @@ -40,7 +37,14 @@ type HazelIntegrationConfig = {
};

export type HazelSimulationState = Array<
Array<{ placeId: string; marking: TokenCounts; placeLabel: string }>
Array<{
placeId: string;
/**
* Marking represented as a association list where the tokenId is the key and the count is the value, represented in the format Hazel expects.
*/
marking: Array<{ 0: string; 1: number }>;
placeLabel: string;
}>
>;

export type HazelValue = {
Expand Down