Function buildToggleIndex

packages/toggle/src/react/toggleIndexAtom.ts:21–47

(elements: any[])

// Returns, for each child, the enclosing toggle ids
export const buildToggleIndex = (elements: any[]): Map<string, string[]> => {
  const result = new Map<string, string[]>();
  let currentEnclosingToggles: [string, number][] = []; // [toggleId, indent][]
  elements.forEach((element: any) => {
    const elementIndent = (element[KEYS.indent] as number) || 0;
    // For some reason, indent lists have a min indent of 1, even though they are not indented
    const elementIndentWithListCorrection =
      element[ListPluginKey] && element[KEYS.indent]
        ? elementIndent - 1
        : elementIndent;

    const enclosingToggles = currentEnclosingToggles.filter(
      ([_, indent]) => indent < elementIndentWithListCorrection
    );
    currentEnclosingToggles = enclosingToggles;
    result.set(
      element.id as string,
      enclosingToggles.map(([toggleId]) => toggleId)
    );

    if (element.type === KEYS.toggle) {
      currentEnclosingToggles.push([element.id as string, elementIndent]);
    }
  });

  return result;
};

export const editorAtom = plateStore.atom.trackedEditor as Atom<{
  editor: { children: TIndentElement[] };