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110 lines
4.2 KiB
110 lines
4.2 KiB
"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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