@slate-sheikah/bridge/lib/path/index.js

slate-sheikah bridge: Bridge components for slate-sheikah. Slate + Automerge + Sockets

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getChildren = exports.getParent = exports.getParentPath = exports.getTarget = exports.isTree = void 0;

const isTree = node => Boolean(node === null || node === void 0 ? void 0 : node.children);

exports.isTree = isTree;

const getTarget = (doc, path) => {
  const iterate = (current, idx) => {
    if (!(isTree(current) || current[idx])) {
      throw new TypeError("path ".concat(path.toString(), " does not match tree ").concat(JSON.stringify(current)));
    }

    return current[idx] || (current === null || current === void 0 ? void 0 : current.children[idx]);
  };

  return path.reduce(iterate, doc);
};

exports.getTarget = getTarget;

const getParentPath = function getParentPath(path) {
  let level = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;

  if (level > path.length) {
    throw new TypeError('requested ancestor is higher than root');
  }

  return [path[path.length - level], path.slice(0, path.length - level)];
};

exports.getParentPath = getParentPath;

const getParent = function getParent(doc, path) {
  let level = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
  const [idx, parentPath] = getParentPath(path, level);
  return [getTarget(doc, parentPath), idx];
};

exports.getParent = getParent;

const getChildren = node => node.children || node;

exports.getChildren = getChildren;
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