@graffy/common/cjs/coding/query/encode.js

Common libraries that used by various Graffy modules.

"use strict";

var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");

exports.__esModule = true;
exports.default = query;
exports.ROOT_KEY = void 0;

var _extends2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/extends"));

var _objectWithoutPropertiesLoose2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/objectWithoutPropertiesLoose"));

var _symbol = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/symbol"));

var _freeze = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/object/freeze"));

var _stringify = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/json/stringify"));

var _isArray = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/array/is-array"));

var _sort = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/sort"));

var _filter = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/filter"));

var _map = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/map"));

var _keys = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/object/keys"));

var _index = require("../index.js");

var ROOT_KEY = (0, _symbol.default)(); // We freeze constructed queries to guard against bugs that might mutate them.
// TODO: Don't freeze in production builds, as a perf optimization.

exports.ROOT_KEY = ROOT_KEY;

var freeze = function freeze(obj) {
  return (0, _freeze.default)(obj);
};

function makeNode(object, key, ver) {
  var _node$children;

  if (!object) return;
  var $key = object.$key,
      $opt = object.$opt,
      rest = (0, _objectWithoutPropertiesLoose2.default)(object, ["$key", "$opt"]);

  if (!key && !$key) {
    throw Error("makeNode.no_key " + key + " " + (0, _stringify.default)($key));
  }

  key = key || $key;
  var node = key === ROOT_KEY ? {} : (0, _index.encodeArgs)((0, _isArray.default)(key) ? {
    $cursor: key
  } : key);
  node.version = ver;

  if ((0, _isArray.default)(object)) {
    var _context, _context2;

    var children = (0, _sort.default)(_context = (0, _filter.default)(_context2 = (0, _map.default)(object).call(object, function (obj) {
      return makeNode(obj, undefined, ver);
    })).call(_context2, Boolean)).call(_context, function (a, b) {
      return a.key <= b.key ? -1 : 1;
    });
    if (children.length) node.children = children;
  } else if (typeof object === 'object') {
    if ($key && key !== $key) {
      node.children = [makeNode(object, undefined, ver)];
    } else {
      var _context3, _context4, _context5;

      var _children = (0, _filter.default)(_context3 = (0, _map.default)(_context4 = (0, _sort.default)(_context5 = (0, _keys.default)(rest)).call(_context5)).call(_context4, function (key) {
        return freeze((0, _extends2.default)({
          key: key
        }, makeNode(object[key], key, ver)));
      })).call(_context3, Boolean);

      if (_children.length) node.children = _children;
    }
  } else {
    node.value = typeof object === 'number' ? object : 1;
  }

  if (typeof node.end !== 'undefined' && !node.children) node.value = 1;

  if ((_node$children = node.children) != null && _node$children.length || typeof node.value !== 'undefined') {
    return freeze(node);
  }
}

function query(obj, version) {
  var _makeNode;

  if (version === void 0) {
    version = 0;
  }

  return ((_makeNode = makeNode(obj, ROOT_KEY, version)) == null ? void 0 : _makeNode.children) || [];
}