function remove()

in src/utils/json-patch.js [171:200]

• 26 lines of code
• 6 McCabe index (conditional complexity)

function remove(document, path) {
  let parent = null;
  let node = document;
  let lastToken = null;

  for (const { node: next, token } of walk(document, path)) {
    parent = node;
    node = next;
    lastToken = token;
  }

  if (!parent) {
    throw new InvalidPointerError(path);
  }

  if (Array.isArray(parent)) {
    try {
      const index = parseArrayIndex(lastToken, parent);
      parent.splice(index, 1);
    } catch (e) {
      throw new InvalidPointerError(path);
    }
  } else if (node) {
    delete parent[lastToken];
  } else {
    throw new InvalidPointerError(path);
  }

  return document;
}