lmmi_journal_theme/node_modules/css-select/index.js

"use strict";

module.exports = CSSselect;

var DomUtils = require("domutils");
var falseFunc = require("boolbase").falseFunc;
var compileRaw = require("./lib/compile.js");

function wrapCompile(func){
	return function addAdapter(selector, options, context){
		options = options || {};
		options.adapter = options.adapter || DomUtils;

		return func(selector, options, context);
	};
}

var compile = wrapCompile(compileRaw);
var compileUnsafe = wrapCompile(compileRaw.compileUnsafe);

function getSelectorFunc(searchFunc){
	return function select(query, elems, options){
		options = options || {};
		options.adapter = options.adapter || DomUtils;

		if(typeof query !== "function"){
			query = compileUnsafe(query, options, elems);
		}
		if(query.shouldTestNextSiblings){
			elems = appendNextSiblings(
				(options && options.context) || elems,
				options.adapter
			);
		}
		if(!Array.isArray(elems)) elems = options.adapter.getChildren(elems);
		else elems = options.adapter.removeSubsets(elems);
		return searchFunc(query, elems, options);
	};
}

function getNextSiblings(elem, adapter){
	var siblings = adapter.getSiblings(elem);
	if(!Array.isArray(siblings)) return [];
	siblings = siblings.slice(0);
	while(siblings.shift() !== elem);
	return siblings;
}

function appendNextSiblings(elems, adapter){
	// Order matters because jQuery seems to check the children before the siblings
	if(!Array.isArray(elems)) elems = [elems];
	var newElems = elems.slice(0);

	for(var i = 0, len = elems.length; i < len; i++){
		var nextSiblings = getNextSiblings(newElems[i], adapter);
		newElems.push.apply(newElems, nextSiblings);
	}
	return newElems;
}

var selectAll = getSelectorFunc(function selectAll(query, elems, options){
	return query === falseFunc || !elems || elems.length === 0
		? []
		: options.adapter.findAll(query, elems);
});

var selectOne = getSelectorFunc(function selectOne(query, elems, options){
	return query === falseFunc || !elems || elems.length === 0
		? null
		: options.adapter.findOne(query, elems);
});

function is(elem, query, options){
	options = options || {};
	options.adapter = options.adapter || DomUtils;
	return (typeof query === "function" ? query : compile(query, options))(elem);
}

/*
	the exported interface
*/
function CSSselect(query, elems, options){
	return selectAll(query, elems, options);
}

CSSselect.compile = compile;
CSSselect.filters = compileRaw.Pseudos.filters;
CSSselect.pseudos = compileRaw.Pseudos.pseudos;

CSSselect.selectAll = selectAll;
CSSselect.selectOne = selectOne;

CSSselect.is = is;

//legacy methods (might be removed)
CSSselect.parse = compile;
CSSselect.iterate = selectAll;

//hooks
CSSselect._compileUnsafe = compileUnsafe;
CSSselect._compileToken = compileRaw.compileToken;