1 | "use strict";
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2 |
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3 | module.exports = CSSselect;
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4 |
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5 | var Pseudos = require("./lib/pseudos.js"),
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6 | DomUtils = require("domutils"),
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7 | findOne = DomUtils.findOne,
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8 | findAll = DomUtils.findAll,
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9 | getChildren = DomUtils.getChildren,
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10 | removeSubsets = DomUtils.removeSubsets,
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11 | falseFunc = require("boolbase").falseFunc,
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12 | compile = require("./lib/compile.js"),
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13 | compileUnsafe = compile.compileUnsafe;
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14 |
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15 | function getSelectorFunc(searchFunc){
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16 | return function select(query, elems, options){
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17 | if(typeof query !== "function") query = compileUnsafe(query, options);
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18 | if(!Array.isArray(elems)) elems = getChildren(elems);
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19 | else elems = removeSubsets(elems);
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20 | return searchFunc(query, elems);
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21 | };
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22 | }
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23 |
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24 | var selectAll = getSelectorFunc(function selectAll(query, elems){
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25 | return (query === falseFunc || !elems || elems.length === 0) ? [] : findAll(query, elems);
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26 | });
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27 |
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28 | var selectOne = getSelectorFunc(function selectOne(query, elems){
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29 | return (query === falseFunc || !elems || elems.length === 0) ? null : findOne(query, elems);
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30 | });
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31 |
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32 | function is(elem, query, options){
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33 | return (typeof query === "function" ? query : compile(query, options))(elem);
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34 | }
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35 |
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36 |
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37 |
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38 |
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39 | function CSSselect(query, elems, options){
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40 | return selectAll(query, elems, options);
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41 | }
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42 |
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43 | CSSselect.compile = compile;
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44 | CSSselect.filters = Pseudos.filters;
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45 | CSSselect.pseudos = Pseudos.pseudos;
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46 |
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47 | CSSselect.selectAll = selectAll;
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48 | CSSselect.selectOne = selectOne;
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49 |
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50 | CSSselect.is = is;
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51 |
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52 |
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53 | CSSselect.parse = compile;
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54 | CSSselect.iterate = selectAll;
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55 |
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56 |
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57 | CSSselect._compileUnsafe = compileUnsafe;
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