Function getRelatedPathsAtPath

app/utilities/relatedValues.ts:52–103

(
  path: string,
  json: unknown,
  relatedPaths: Set<string> = new Set<string>()
)

}

export function getRelatedPathsAtPath(
  path: string,
  json: unknown,
  relatedPaths: Set<string> = new Set<string>()
): Array<string> {
  const initialPath = new JSONHeroPath(path);
  const pathDepth = initialPath.components.length;

  for (let index = 0; index < pathDepth; index++) {
    const pathToComponent = new JSONHeroPath(
      initialPath.components.slice(0, index + 1)
    );

    const value = pathToComponent.first(json);

    if (typeof value === "undefined") {
      continue;
    }

    //optimisation: we only want to call inferType on non-array types
    if (typeof value !== "object" || !Array.isArray(value)) continue;

    const inferredType = inferType(value);

    if (inferredType.name !== "array") continue;

    if (index + 1 === pathDepth) continue;

    for (
      let childIndex = 0;
      childIndex < inferredType.value.length;
      childIndex++
    ) {
      const relatedPath = initialPath.replaceComponent(
        index + 1,
        `${childIndex}`
      );

      if (relatedPaths.has(relatedPath.toString())) continue;

      const parentValue = relatedPath.parent?.first(json);

      if (!parentValue) continue;

      relatedPaths.add(relatedPath.toString());

      getRelatedPathsAtPath(relatedPath.toString(), json, relatedPaths);
    }
  }

  return Array.from(relatedPaths);
}