86 lines
2.6 KiB
JavaScript
86 lines
2.6 KiB
JavaScript
"use strict";
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module.exports = CSSselect;
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var DomUtils = require("domutils"),
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falseFunc = require("boolbase").falseFunc,
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compileFactory = require("./lib/compile.js"),
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defaultCompile = compileFactory(DomUtils);
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function adapterCompile(adapter){
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return adapter === DomUtils ? defaultCompile : compileFactory(adapter);
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}
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function getSelectorFunc(searchFunc){
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return function select(query, elems, options){
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options = options || {}
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options.adapter = options.adapter || DomUtils;
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var compile = adapterCompile(options.adapter);
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if(typeof query !== "function") query = compile.compileUnsafe(query, options, elems);
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if(query.shouldTestNextSiblings) elems = appendNextSiblings((options && options.context) || elems, options.adapter);
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if(!Array.isArray(elems)) elems = options.adapter.getChildren(elems);
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else elems = options.adapter.removeSubsets(elems);
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return searchFunc(query, elems, options);
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};
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}
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function getNextSiblings(elem, adapter){
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var siblings = adapter.getSiblings(elem);
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if(!Array.isArray(siblings)) return [];
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siblings = siblings.slice(0);
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while(siblings.shift() !== elem);
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return siblings;
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}
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function appendNextSiblings(elems, adapter){
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// Order matters because jQuery seems to check the children before the siblings
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if(!Array.isArray(elems)) elems = [elems];
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var newElems = elems.slice(0);
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for(var i = 0, len = elems.length; i < len; i++){
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var nextSiblings = getNextSiblings(newElems[i], adapter);
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newElems.push.apply(newElems, nextSiblings);
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}
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return newElems;
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}
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var selectAll = getSelectorFunc(function selectAll(query, elems, options){
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return (query === falseFunc || !elems || elems.length === 0) ? [] : options.adapter.findAll(query, elems);
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});
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var selectOne = getSelectorFunc(function selectOne(query, elems, options){
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return (query === falseFunc || !elems || elems.length === 0) ? null : options.adapter.findOne(query, elems);
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});
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function is(elem, query, options){
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options = options || {}
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options.adapter = options.adapter || DomUtils;
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var compile = adapterCompile(options.adapter);
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return (typeof query === "function" ? query : compile(query, options))(elem);
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}
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/*
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the exported interface
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*/
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function CSSselect(query, elems, options){
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return selectAll(query, elems, options);
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}
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CSSselect.compile = defaultCompile;
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CSSselect.filters = defaultCompile.Pseudos.filters;
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CSSselect.pseudos = defaultCompile.Pseudos.pseudos;
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CSSselect.selectAll = selectAll;
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CSSselect.selectOne = selectOne;
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CSSselect.is = is;
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//legacy methods (might be removed)
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CSSselect.parse = defaultCompile;
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CSSselect.iterate = selectAll;
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//hooks
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CSSselect._compileUnsafe = defaultCompile.compileUnsafe;
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CSSselect._compileToken = defaultCompile.compileToken;
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