glance-selector/lib/guides/search-lineage.js

Glance selector library

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _extensions = require("../utils/extensions");

var _extensions2 = _interopRequireDefault(_extensions);

var _locator = require("./locator");

var _locator2 = _interopRequireDefault(_locator);

var _filter = require("./filter");

var _filter2 = _interopRequireDefault(_filter);

var _log = require("../log");

var _log2 = _interopRequireDefault(_log);

var _arrayUtils = require("../utils/array-utils");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var SearchLineage = function () {
    function SearchLineage() {
        _classCallCheck(this, SearchLineage);
    }

    _createClass(SearchLineage, [{
        key: "search",
        value: function search(data) {
            var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function (err, result) {
                return result;
            };
            var _data = data,
                scopes = _data.scopes,
                scopeElement = _data.scopeElement,
                _data$config = _data.config,
                config = _data$config === undefined ? {} : _data$config;

            config.extensions = config.extensions || [];

            data = _extends({}, data, {
                extensions: config.extensions
            });

            return SearchLineage.traverseScopes(_extends({}, data, {
                elements: [scopeElement],
                target: scopes[0],
                scopeElements: []
            }), callback);
        }
    }], [{
        key: "traverseScopes",
        value: function traverseScopes(data, resultHandler) {
            var elements = data.elements,
                scopes = data.scopes,
                target = data.target;


            var processLevel = function processLevel(result, scopeElement, reduceeCallback) {
                var tempData = _extends({}, data, {
                    scopeElement: scopeElement
                });

                _extensions2.default.beforeScopeEvent(tempData);

                function resultHandler(err, located) {
                    if (err) {
                        return reduceeCallback(err, []);
                    }
                    result.push({ scopeElement: scopeElement, elements: located });
                    return reduceeCallback(err, result);
                }

                return _locator2.default.locate(tempData, function (err, located) {
                    if (tempData.intersectElements) {
                        _log2.default.debug("Finding intersections");

                        return browserExecute(function (located, previous, handler) {
                            return handler(null, located.filter(function (e) {
                                return previous.indexOf(e) != -1;
                            }));
                        }, located, tempData.intersectElements, function (err, result) {
                            _log2.default.debug("Intersection count:", result.length);
                            return resultHandler(err, result);
                        });
                    }

                    return resultHandler(null, located);
                });
            };

            return (0, _arrayUtils.reduce)(elements, [], processLevel, function (err, locatedTargets) {
                if (err) {
                    return resultHandler(err, []);
                }

                var targetInfo = locatedTargets.reduce(function (result, info) {
                    result.elements = result.elements.concat(info.elements);
                    result.scopeElements.push(info.scopeElement);
                    return result;
                }, { elements: [], scopeElements: [] });

                return (0, _arrayUtils.unique)(targetInfo.elements, function (err, uniqueTargets) {
                    targetInfo.elements = uniqueTargets;

                    return _filter2.default.filter(_extends({}, data, targetInfo), function (err, filteredElements) {
                        if (err) {
                            return resultHandler(err, []);
                        }

                        _extensions2.default.afterScopeEvent(_extends({}, data, { elements: filteredElements }));

                        if (target.type == "target") {
                            return resultHandler(err, filteredElements);
                        } else {
                            if (target.type == "intersect") {
                                return SearchLineage.traverseScopes(_extends({}, data, {
                                    intersectElements: filteredElements,
                                    elements: filteredElements,
                                    target: scopes[target.scopeIndex + 1]
                                }), resultHandler);
                            } else {
                                return SearchLineage.traverseScopes(_extends({}, data, {
                                    intersectElements: null,
                                    scopeElements: filteredElements,
                                    elements: filteredElements,
                                    target: scopes[target.scopeIndex + 1]
                                }), resultHandler);
                            }
                        }
                    });
                });
            });
        }
    }]);

    return SearchLineage;
}();

exports.default = SearchLineage;