111 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| "use strict";
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| var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
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|     if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
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|         if (ar || !(i in from)) {
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|             if (!ar) ar = Array.prototype.slice.call(from, 0, i);
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|             ar[i] = from[i];
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|         }
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|     }
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|     return to.concat(ar || Array.prototype.slice.call(from));
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| };
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| Object.defineProperty(exports, "__esModule", { value: true });
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| exports.subselects = exports.getNextSiblings = exports.ensureIsTag = exports.PLACEHOLDER_ELEMENT = void 0;
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| var boolbase_1 = require("boolbase");
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| var procedure_1 = require("../procedure");
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| /** Used as a placeholder for :has. Will be replaced with the actual element. */
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| exports.PLACEHOLDER_ELEMENT = {};
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| function ensureIsTag(next, adapter) {
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|     if (next === boolbase_1.falseFunc)
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|         return boolbase_1.falseFunc;
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|     return function (elem) { return adapter.isTag(elem) && next(elem); };
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| }
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| exports.ensureIsTag = ensureIsTag;
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| function getNextSiblings(elem, adapter) {
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|     var siblings = adapter.getSiblings(elem);
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|     if (siblings.length <= 1)
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|         return [];
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|     var elemIndex = siblings.indexOf(elem);
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|     if (elemIndex < 0 || elemIndex === siblings.length - 1)
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|         return [];
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|     return siblings.slice(elemIndex + 1).filter(adapter.isTag);
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| }
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| exports.getNextSiblings = getNextSiblings;
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| var is = function (next, token, options, context, compileToken) {
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|     var opts = {
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|         xmlMode: !!options.xmlMode,
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|         adapter: options.adapter,
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|         equals: options.equals,
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|     };
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|     var func = compileToken(token, opts, context);
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|     return function (elem) { return func(elem) && next(elem); };
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| };
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| /*
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|  * :not, :has, :is, :matches and :where have to compile selectors
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|  * doing this in src/pseudos.ts would lead to circular dependencies,
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|  * so we add them here
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|  */
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| exports.subselects = {
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|     is: is,
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|     /**
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|      * `:matches` and `:where` are aliases for `:is`.
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|      */
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|     matches: is,
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|     where: is,
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|     not: function (next, token, options, context, compileToken) {
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|         var opts = {
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|             xmlMode: !!options.xmlMode,
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|             adapter: options.adapter,
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|             equals: options.equals,
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|         };
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|         var func = compileToken(token, opts, context);
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|         if (func === boolbase_1.falseFunc)
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|             return next;
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|         if (func === boolbase_1.trueFunc)
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|             return boolbase_1.falseFunc;
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|         return function not(elem) {
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|             return !func(elem) && next(elem);
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|         };
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|     },
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|     has: function (next, subselect, options, _context, compileToken) {
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|         var adapter = options.adapter;
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|         var opts = {
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|             xmlMode: !!options.xmlMode,
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|             adapter: adapter,
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|             equals: options.equals,
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|         };
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|         // @ts-expect-error Uses an array as a pointer to the current element (side effects)
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|         var context = subselect.some(function (s) {
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|             return s.some(procedure_1.isTraversal);
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|         })
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|             ? [exports.PLACEHOLDER_ELEMENT]
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|             : undefined;
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|         var compiled = compileToken(subselect, opts, context);
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|         if (compiled === boolbase_1.falseFunc)
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|             return boolbase_1.falseFunc;
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|         if (compiled === boolbase_1.trueFunc) {
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|             return function (elem) {
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|                 return adapter.getChildren(elem).some(adapter.isTag) && next(elem);
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|             };
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|         }
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|         var hasElement = ensureIsTag(compiled, adapter);
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|         var _a = compiled.shouldTestNextSiblings, shouldTestNextSiblings = _a === void 0 ? false : _a;
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|         /*
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|          * `shouldTestNextSiblings` will only be true if the query starts with
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|          * a traversal (sibling or adjacent). That means we will always have a context.
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|          */
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|         if (context) {
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|             return function (elem) {
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|                 context[0] = elem;
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|                 var childs = adapter.getChildren(elem);
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|                 var nextElements = shouldTestNextSiblings
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|                     ? __spreadArray(__spreadArray([], childs, true), getNextSiblings(elem, adapter), true) : childs;
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|                 return (next(elem) && adapter.existsOne(hasElement, nextElements));
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|             };
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|         }
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|         return function (elem) {
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|             return next(elem) &&
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|                 adapter.existsOne(hasElement, adapter.getChildren(elem));
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|         };
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|     },
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| };
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