Function createNode

src/lib/table/createNode.ts:20–50

(ctx: CreateContext, tree: Tree, node: Node)

 * @param node The JSON `Node` to process.
 */
export function createNode(ctx: CreateContext, tree: Tree, node: Node): TableNode {
  // Handles cases where a key is present in some objects in an array but not others.
  // For example, in `[{"a":1, "b":2}, {"a":1}]`, the second object is missing the key "b".
  if (node === undefined) {
    return newNode(ctx, "value").setText("miss").addClass("text-hl-empty");
  }

  const { id, type } = node;

  // If the node is an object or array, delegate to a specific creation function.
  if (isIterable(node)) {
    if (hasChildren(node)) {
      const genFn = type === "array" ? createArrayNode : createObjectNode;
      const newCtx = tree.isRoot(node) ? ctx : { ...ctx, level: ctx.level + 1 };
      return genFn(newCtx, tree, node).setId(id);
    } else {
      // Handle empty objects or arrays.
      const text = type === "object" ? "{}" : "[]";
      return newNode(ctx, "value", id).setText(text).addClass("text-hl-empty");
    }
  }

  // Handle literal values (string, number, boolean, null).
  if (type === "string") {
    const text = node.value || '""';
    const cls = node.value ? "text-hl-string" : "text-hl-empty";
    return newNode(ctx, "value", id).setText(text).addClass(cls);
  } else {
    return newNode(ctx, "value", id).setText(getRawValue(node)!).addClass(`text-hl-${type}`);
  }
}

/**
 * Creates a `TableNode` for a JSON array. This is one of the most complex parts of the builder,