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optimal-select.js
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optimal-select.js
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(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define([], factory);
else if(typeof exports === 'object')
exports["OptimalSelect"] = factory();
else
root["OptimalSelect"] = factory();
})(this, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId])
/******/ return installedModules[moduleId].exports;
/******/
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // identity function for calling harmony imports with the correct context
/******/ __webpack_require__.i = function(value) { return value; };
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, {
/******/ configurable: false,
/******/ enumerable: true,
/******/ get: getter
/******/ });
/******/ }
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 6);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.convertNodeList = convertNodeList;
exports.escapeValue = escapeValue;
/**
* # Utilities
*
* Convenience helpers.
*/
/**
* Create an array with the DOM nodes of the list
*
* @param {NodeList} nodes - [description]
* @return {Array.<HTMLElement>} - [description]
*/
function convertNodeList(nodes) {
var length = nodes.length;
var arr = new Array(length);
for (var i = 0; i < length; i++) {
arr[i] = nodes[i];
}
return arr;
}
/**
* Escape special characters and line breaks as a simplified version of 'CSS.escape()'
*
* Description of valid characters: https://mathiasbynens.be/notes/css-escapes
*
* @param {String?} value - [description]
* @return {String} - [description]
*/
function escapeValue(value) {
return value && value.replace(/['"`\\/:\?&!#$%^()[\]{|}*+;,.<=>@~]/g, '\\$&').replace(/\n/g, '\A');
}
/***/ },
/* 1 */
/***/ function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getCommonAncestor = getCommonAncestor;
exports.getCommonProperties = getCommonProperties;
/**
* # Common
*
* Process collections for similarities.
*/
/**
* Find the last common ancestor of elements
*
* @param {Array.<HTMLElements>} elements - [description]
* @return {HTMLElement} - [description]
*/
function getCommonAncestor(elements) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var _options$root = options.root,
root = _options$root === undefined ? document : _options$root;
var ancestors = [];
elements.forEach(function (element, index) {
var parents = [];
while (element !== root) {
element = element.parentNode;
parents.unshift(element);
}
ancestors[index] = parents;
});
ancestors.sort(function (curr, next) {
return curr.length - next.length;
});
var shallowAncestor = ancestors.shift();
var ancestor = null;
var _loop = function _loop() {
var parent = shallowAncestor[i];
var missing = ancestors.some(function (otherParents) {
return !otherParents.some(function (otherParent) {
return otherParent === parent;
});
});
if (missing) {
// TODO: find similar sub-parents, not the top root, e.g. sharing a class selector
return 'break';
}
ancestor = parent;
};
for (var i = 0, l = shallowAncestor.length; i < l; i++) {
var _ret = _loop();
if (_ret === 'break') break;
}
return ancestor;
}
/**
* Get a set of common properties of elements
*
* @param {Array.<HTMLElement>} elements - [description]
* @return {Object} - [description]
*/
function getCommonProperties(elements) {
var commonProperties = {
classes: [],
attributes: {},
tag: null
};
elements.forEach(function (element) {
var commonClasses = commonProperties.classes,
commonAttributes = commonProperties.attributes,
commonTag = commonProperties.tag;
// ~ classes
if (commonClasses !== undefined) {
var classes = element.getAttribute('class');
if (classes) {
classes = classes.trim().split(' ');
if (!commonClasses.length) {
commonProperties.classes = classes;
} else {
commonClasses = commonClasses.filter(function (entry) {
return classes.some(function (name) {
return name === entry;
});
});
if (commonClasses.length) {
commonProperties.classes = commonClasses;
} else {
delete commonProperties.classes;
}
}
} else {
// TODO: restructure removal as 2x set / 2x delete, instead of modify always replacing with new collection
delete commonProperties.classes;
}
}
// ~ attributes
if (commonAttributes !== undefined) {
(function () {
var elementAttributes = element.attributes;
var attributes = Object.keys(elementAttributes).reduce(function (attributes, key) {
var attribute = elementAttributes[key];
var attributeName = attribute.name;
// NOTE: workaround detection for non-standard phantomjs NamedNodeMap behaviour
// (issue: https://github.com/ariya/phantomjs/issues/14634)
if (attribute && attributeName !== 'class') {
attributes[attributeName] = attribute.value;
}
return attributes;
}, {});
var attributesNames = Object.keys(attributes);
var commonAttributesNames = Object.keys(commonAttributes);
if (attributesNames.length) {
if (!commonAttributesNames.length) {
commonProperties.attributes = attributes;
} else {
commonAttributes = commonAttributesNames.reduce(function (nextCommonAttributes, name) {
var value = commonAttributes[name];
if (value === attributes[name]) {
nextCommonAttributes[name] = value;
}
return nextCommonAttributes;
}, {});
if (Object.keys(commonAttributes).length) {
commonProperties.attributes = commonAttributes;
} else {
delete commonProperties.attributes;
}
}
} else {
delete commonProperties.attributes;
}
})();
}
// ~ tag
if (commonTag !== undefined) {
var tag = element.tagName.toLowerCase();
if (!commonTag) {
commonProperties.tag = tag;
} else if (tag !== commonTag) {
delete commonProperties.tag;
}
}
});
return commonProperties;
}
/***/ },
/* 2 */
/***/ function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = optimize;
var _adapt = __webpack_require__(3);
var _adapt2 = _interopRequireDefault(_adapt);
var _utilities = __webpack_require__(0);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Apply different optimization techniques
*
* @param {string} selector - [description]
* @param {HTMLElement|Array.<HTMLElement>} element - [description]
* @param {Object} options - [description]
* @return {string} - [description]
*/
/**
* # Optimize
*
* 1.) Improve efficiency through shorter selectors by removing redundancy
* 2.) Improve robustness through selector transformation
*/
function optimize(selector, elements) {
var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
// convert single entry and NodeList
if (!Array.isArray(elements)) {
elements = !elements.length ? [elements] : (0, _utilities.convertNodeList)(elements);
}
if (!elements.length || elements.some(function (element) {
return element.nodeType !== 1;
})) {
throw new Error('Invalid input - to compare HTMLElements its necessary to provide a reference of the selected node(s)! (missing "elements")');
}
var globalModified = (0, _adapt2.default)(elements[0], options);
// chunk parts outside of quotes (http://stackoverflow.com/a/25663729)
var path = selector.replace(/> /g, '>').split(/\s+(?=(?:(?:[^"]*"){2})*[^"]*$)/);
if (path.length < 2) {
return optimizePart('', selector, '', elements);
}
var shortened = [path.pop()];
while (path.length > 1) {
var current = path.pop();
var prePart = path.join(' ');
var postPart = shortened.join(' ');
var pattern = prePart + ' ' + postPart;
var matches = document.querySelectorAll(pattern);
if (matches.length !== elements.length) {
shortened.unshift(optimizePart(prePart, current, postPart, elements));
}
}
shortened.unshift(path[0]);
path = shortened;
// optimize start + end
path[0] = optimizePart('', path[0], path.slice(1).join(' '), elements);
path[path.length - 1] = optimizePart(path.slice(0, -1).join(' '), path[path.length - 1], '', elements);
if (globalModified) {
delete true;
}
return path.join(' ').replace(/>/g, '> ').trim();
}
/**
* Improve a chunk of the selector
*
* @param {string} prePart - [description]
* @param {string} current - [description]
* @param {string} postPart - [description]
* @param {Array.<HTMLElement>} elements - [description]
* @return {string} - [description]
*/
function optimizePart(prePart, current, postPart, elements) {
if (prePart.length) prePart = prePart + ' ';
if (postPart.length) postPart = ' ' + postPart;
// robustness: attribute without value (generalization)
if (/\[*\]/.test(current)) {
var key = current.replace(/=.*$/, ']');
var pattern = '' + prePart + key + postPart;
var matches = document.querySelectorAll(pattern);
if (compareResults(matches, elements)) {
current = key;
} else {
// robustness: replace specific key-value with base tag (heuristic)
var references = document.querySelectorAll('' + prePart + key);
var _loop = function _loop() {
var reference = references[i];
if (elements.some(function (element) {
return reference.contains(element);
})) {
var description = reference.tagName.toLowerCase();
pattern = '' + prePart + description + postPart;
matches = document.querySelectorAll(pattern);
if (compareResults(matches, elements)) {
current = description;
}
return 'break';
}
};
for (var i = 0, l = references.length; i < l; i++) {
var pattern;
var matches;
var _ret = _loop();
if (_ret === 'break') break;
}
}
}
// robustness: descendant instead child (heuristic)
if (/>/.test(current)) {
var descendant = current.replace(/>/, '');
var pattern = '' + prePart + descendant + postPart;
var matches = document.querySelectorAll(pattern);
if (compareResults(matches, elements)) {
current = descendant;
}
}
// robustness: 'nth-of-type' instead 'nth-child' (heuristic)
if (/:nth-child/.test(current)) {
// TODO: consider complete coverage of 'nth-of-type' replacement
var type = current.replace(/nth-child/g, 'nth-of-type');
var pattern = '' + prePart + type + postPart;
var matches = document.querySelectorAll(pattern);
if (compareResults(matches, elements)) {
current = type;
}
}
// efficiency: combinations of classname (partial permutations)
if (/\.\S+\.\S+/.test(current)) {
var names = current.trim().split('.').slice(1).map(function (name) {
return '.' + name;
}).sort(function (curr, next) {
return curr.length - next.length;
});
while (names.length) {
var partial = current.replace(names.shift(), '').trim();
var pattern = ('' + prePart + partial + postPart).trim();
if (!pattern.length || pattern.charAt(0) === '>' || pattern.charAt(pattern.length - 1) === '>') {
break;
}
var matches = document.querySelectorAll(pattern);
if (compareResults(matches, elements)) {
current = partial;
}
}
// robustness: degrade complex classname (heuristic)
names = current && current.match(/\./g);
if (names && names.length > 2) {
var _references = document.querySelectorAll('' + prePart + current);
var _loop2 = function _loop2() {
var reference = _references[i];
if (elements.some(function (element) {
return reference.contains(element);
})) {
// TODO:
// - check using attributes + regard excludes
var description = reference.tagName.toLowerCase();
pattern = '' + prePart + description + postPart;
matches = document.querySelectorAll(pattern);
if (compareResults(matches, elements)) {
current = description;
}
return 'break';
}
};
for (var i = 0, l = _references.length; i < l; i++) {
var pattern;
var matches;
var _ret2 = _loop2();
if (_ret2 === 'break') break;
}
}
}
return current;
}
/**
* Evaluate matches with expected elements
*
* @param {Array.<HTMLElement>} matches - [description]
* @param {Array.<HTMLElement>} elements - [description]
* @return {Boolean} - [description]
*/
function compareResults(matches, elements) {
var length = matches.length;
return length === elements.length && elements.every(function (element) {
for (var i = 0; i < length; i++) {
if (matches[i] === element) {
return true;
}
}
return false;
});
}
module.exports = exports['default'];
/***/ },
/* 3 */
/***/ function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
exports.default = adapt;
/**
* # Adapt
*
* Check and extend the environment for universal usage.
*/
/**
* Modify the context based on the environment
*
* @param {HTMLELement} element - [description]
* @param {Object} options - [description]
* @return {boolean} - [description]
*/
function adapt(element, options) {
// detect environment setup
if (true) {
return false;
} else {
global.document = options.context || function () {
var root = element;
while (root.parent) {
root = root.parent;
}
return root;
}();
}
// https://github.com/fb55/domhandler/blob/master/index.js#L75
var ElementPrototype = Object.getPrototypeOf(true);
// alternative descriptor to access elements with filtering invalid elements (e.g. textnodes)
if (!Object.getOwnPropertyDescriptor(ElementPrototype, 'childTags')) {
Object.defineProperty(ElementPrototype, 'childTags', {
enumerable: true,
get: function get() {
return this.children.filter(function (node) {
// https://github.com/fb55/domelementtype/blob/master/index.js#L12
return node.type === 'tag' || node.type === 'script' || node.type === 'style';
});
}
});
}
if (!Object.getOwnPropertyDescriptor(ElementPrototype, 'attributes')) {
// https://developer.mozilla.org/en-US/docs/Web/API/Element/attributes
// https://developer.mozilla.org/en-US/docs/Web/API/NamedNodeMap
Object.defineProperty(ElementPrototype, 'attributes', {
enumerable: true,
get: function get() {
var attribs = this.attribs;
var attributesNames = Object.keys(attribs);
var NamedNodeMap = attributesNames.reduce(function (attributes, attributeName, index) {
attributes[index] = {
name: attributeName,
value: attribs[attributeName]
};
return attributes;
}, {});
Object.defineProperty(NamedNodeMap, 'length', {
enumerable: false,
configurable: false,
value: attributesNames.length
});
return NamedNodeMap;
}
});
}
if (!ElementPrototype.getAttribute) {
// https://docs.webplatform.org/wiki/dom/Element/getAttribute
// https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute
ElementPrototype.getAttribute = function (name) {
return this.attribs[name] || null;
};
}
if (!ElementPrototype.getElementsByTagName) {
// https://docs.webplatform.org/wiki/dom/Document/getElementsByTagName
// https://developer.mozilla.org/en-US/docs/Web/API/Element/getElementsByTagName
ElementPrototype.getElementsByTagName = function (tagName) {
var HTMLCollection = [];
traverseDescendants(this.childTags, function (descendant) {
if (descendant.name === tagName || tagName === '*') {
HTMLCollection.push(descendant);
}
});
return HTMLCollection;
};
}
if (!ElementPrototype.getElementsByClassName) {
// https://docs.webplatform.org/wiki/dom/Document/getElementsByClassName
// https://developer.mozilla.org/en-US/docs/Web/API/Element/getElementsByClassName
ElementPrototype.getElementsByClassName = function (className) {
var names = className.trim().replace(/\s+/g, ' ').split(' ');
var HTMLCollection = [];
traverseDescendants([this], function (descendant) {
var descendantClassName = descendant.attribs.class;
if (descendantClassName && names.every(function (name) {
return descendantClassName.indexOf(name) > -1;
})) {
HTMLCollection.push(descendant);
}
});
return HTMLCollection;
};
}
if (!ElementPrototype.querySelectorAll) {
// https://docs.webplatform.org/wiki/css/selectors_api/querySelectorAll
// https://developer.mozilla.org/en-US/docs/Web/API/Element/querySelectorAll
ElementPrototype.querySelectorAll = function (selectors) {
var _this = this;
selectors = selectors.replace(/(>)(\S)/g, '$1 $2').trim(); // add space for '>' selector
// using right to left execution => https://github.com/fb55/css-select#how-does-it-work
var instructions = getInstructions(selectors);
var discover = instructions.shift();
var total = instructions.length;
return discover(this).filter(function (node) {
var step = 0;
while (step < total) {
node = instructions[step](node, _this);
if (!node) {
// hierarchy doesn't match
return false;
}
step += 1;
}
return true;
});
};
}
if (!ElementPrototype.contains) {
// https://developer.mozilla.org/en-US/docs/Web/API/Node/contains
ElementPrototype.contains = function (element) {
var inclusive = false;
traverseDescendants([this], function (descendant, done) {
if (descendant === element) {
inclusive = true;
done();
}
});
return inclusive;
};
}
return true;
}
/**
* Retrieve transformation steps
*
* @param {Array.<string>} selectors - [description]
* @return {Array.<Function>} - [description]
*/
function getInstructions(selectors) {
return selectors.split(' ').reverse().map(function (selector, step) {
var discover = step === 0;
var _selector$split = selector.split(':'),
_selector$split2 = _slicedToArray(_selector$split, 2),
type = _selector$split2[0],
pseudo = _selector$split2[1];
var validate = null;
var instruction = null;
(function () {
switch (true) {
// child: '>'
case />/.test(type):
instruction = function checkParent(node) {
return function (validate) {
return validate(node.parent) && node.parent;
};
};
break;
// class: '.'
case /^\./.test(type):
var names = type.substr(1).split('.');
validate = function validate(node) {
var nodeClassName = node.attribs.class;
return nodeClassName && names.every(function (name) {
return nodeClassName.indexOf(name) > -1;
});
};
instruction = function checkClass(node, root) {
if (discover) {
return node.getElementsByClassName(names.join(' '));
}
return typeof node === 'function' ? node(validate) : getAncestor(node, root, validate);
};
break;
// attribute: '[key="value"]'
case /^\[/.test(type):
var _type$replace$split = type.replace(/\[|\]|"/g, '').split('='),
_type$replace$split2 = _slicedToArray(_type$replace$split, 2),
attributeKey = _type$replace$split2[0],
attributeValue = _type$replace$split2[1];
validate = function validate(node) {
var hasAttribute = Object.keys(node.attribs).indexOf(attributeKey) > -1;
if (hasAttribute) {
// regard optional attributeValue
if (!attributeValue || node.attribs[attributeKey] === attributeValue) {
return true;
}
}
return false;
};
instruction = function checkAttribute(node, root) {
if (discover) {
var _ret2 = function () {
var NodeList = [];
traverseDescendants([node], function (descendant) {
if (validate(descendant)) {
NodeList.push(descendant);
}
});
return {
v: NodeList
};
}();
if ((typeof _ret2 === 'undefined' ? 'undefined' : _typeof(_ret2)) === "object") return _ret2.v;
}
return typeof node === 'function' ? node(validate) : getAncestor(node, root, validate);
};
break;
// id: '#'
case /^#/.test(type):
var id = type.substr(1);
validate = function validate(node) {
return node.attribs.id === id;
};
instruction = function checkId(node, root) {
if (discover) {
var _ret3 = function () {
var NodeList = [];
traverseDescendants([node], function (descendant, done) {
if (validate(descendant)) {
NodeList.push(descendant);
done();
}
});
return {
v: NodeList
};
}();
if ((typeof _ret3 === 'undefined' ? 'undefined' : _typeof(_ret3)) === "object") return _ret3.v;
}
return typeof node === 'function' ? node(validate) : getAncestor(node, root, validate);
};
break;
// universal: '*'
case /\*/.test(type):
validate = function validate(node) {
return true;
};
instruction = function checkUniversal(node, root) {
if (discover) {
var _ret4 = function () {
var NodeList = [];
traverseDescendants([node], function (descendant) {
return NodeList.push(descendant);
});
return {
v: NodeList
};
}();
if ((typeof _ret4 === 'undefined' ? 'undefined' : _typeof(_ret4)) === "object") return _ret4.v;
}
return typeof node === 'function' ? node(validate) : getAncestor(node, root, validate);
};
break;
// tag: '...'
default:
validate = function validate(node) {
return node.name === type;
};
instruction = function checkTag(node, root) {
if (discover) {
var _ret5 = function () {
var NodeList = [];
traverseDescendants([node], function (descendant) {
if (validate(descendant)) {
NodeList.push(descendant);
}
});
return {
v: NodeList
};
}();
if ((typeof _ret5 === 'undefined' ? 'undefined' : _typeof(_ret5)) === "object") return _ret5.v;
}
return typeof node === 'function' ? node(validate) : getAncestor(node, root, validate);
};
}
})();
if (!pseudo) {
return instruction;
}
var rule = pseudo.match(/-(child|type)\((\d+)\)$/);
var kind = rule[1];
var index = parseInt(rule[2], 10) - 1;
var validatePseudo = function validatePseudo(node) {
if (node) {
var compareSet = node.parent.childTags;
if (kind === 'type') {
compareSet = compareSet.filter(validate);
}
var nodeIndex = compareSet.findIndex(function (child) {
return child === node;
});
if (nodeIndex === index) {
return true;
}
}
return false;
};
return function enhanceInstruction(node) {
var match = instruction(node);
if (discover) {
return match.reduce(function (NodeList, matchedNode) {
if (validatePseudo(matchedNode)) {
NodeList.push(matchedNode);
}
return NodeList;
}, []);
}
return validatePseudo(match) && match;
};
});
}
/**
* Walking recursive to invoke callbacks
*
* @param {Array.<HTMLElement>} nodes - [description]
* @param {Function} handler - [description]
*/
function traverseDescendants(nodes, handler) {
nodes.forEach(function (node) {
var progress = true;
handler(node, function () {
return progress = false;
});
if (node.childTags && progress) {
traverseDescendants(node.childTags, handler);
}
});
}
/**
* Bubble up from bottom to top
*
* @param {HTMLELement} node - [description]
* @param {HTMLELement} root - [description]
* @param {Function} validate - [description]
* @return {HTMLELement} - [description]
*/
function getAncestor(node, root, validate) {
while (node.parent) {
node = node.parent;
if (validate(node)) {
return node;
}
if (node === root) {
break;
}
}
return null;
}
module.exports = exports['default'];
/***/ },
/* 4 */
/***/ function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; /**
* # Select
*
* Construct a unique CSS query selector to access the selected DOM element(s).
* For longevity it applies different matching and optimization strategies.
*/
exports.getSingleSelector = getSingleSelector;
exports.getMultiSelector = getMultiSelector;
exports.default = getQuerySelector;
var _adapt = __webpack_require__(3);
var _adapt2 = _interopRequireDefault(_adapt);
var _match = __webpack_require__(5);
var _match2 = _interopRequireDefault(_match);
var _optimize = __webpack_require__(2);
var _optimize2 = _interopRequireDefault(_optimize);
var _utilities = __webpack_require__(0);
var _common = __webpack_require__(1);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Get a selector for the provided element
*
* @param {HTMLElement} element - [description]
* @param {Object} options - [description]
* @return {string} - [description]
*/
function getSingleSelector(element) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
if (element.nodeType === 3) {
element = element.parentNode;
}
if (element.nodeType !== 1) {
throw new Error('Invalid input - only HTMLElements or representations of them are supported! (not "' + (typeof element === 'undefined' ? 'undefined' : _typeof(element)) + '")');
}