source: trip-planner-front/node_modules/css-select/lib/pseudo-selectors/subselects.js@ 59329aa

Last change on this file since 59329aa was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 4.0 KB
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1"use strict";
2var __spreadArray = (this && this.__spreadArray) || function (to, from) {
3 for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
4 to[j] = from[i];
5 return to;
6};
7Object.defineProperty(exports, "__esModule", { value: true });
8exports.subselects = exports.getNextSiblings = exports.ensureIsTag = exports.PLACEHOLDER_ELEMENT = void 0;
9var boolbase_1 = require("boolbase");
10var procedure_1 = require("../procedure");
11/** Used as a placeholder for :has. Will be replaced with the actual element. */
12exports.PLACEHOLDER_ELEMENT = {};
13function ensureIsTag(next, adapter) {
14 if (next === boolbase_1.falseFunc)
15 return boolbase_1.falseFunc;
16 return function (elem) { return adapter.isTag(elem) && next(elem); };
17}
18exports.ensureIsTag = ensureIsTag;
19function getNextSiblings(elem, adapter) {
20 var siblings = adapter.getSiblings(elem);
21 if (siblings.length <= 1)
22 return [];
23 var elemIndex = siblings.indexOf(elem);
24 if (elemIndex < 0 || elemIndex === siblings.length - 1)
25 return [];
26 return siblings.slice(elemIndex + 1).filter(adapter.isTag);
27}
28exports.getNextSiblings = getNextSiblings;
29var is = function (next, token, options, context, compileToken) {
30 var opts = {
31 xmlMode: !!options.xmlMode,
32 adapter: options.adapter,
33 equals: options.equals,
34 };
35 var func = compileToken(token, opts, context);
36 return function (elem) { return func(elem) && next(elem); };
37};
38/*
39 * :not, :has, :is and :matches have to compile selectors
40 * doing this in src/pseudos.ts would lead to circular dependencies,
41 * so we add them here
42 */
43exports.subselects = {
44 is: is,
45 /**
46 * `:matches` is an alias for `:is`.
47 */
48 matches: is,
49 not: function (next, token, options, context, compileToken) {
50 var opts = {
51 xmlMode: !!options.xmlMode,
52 adapter: options.adapter,
53 equals: options.equals,
54 };
55 var func = compileToken(token, opts, context);
56 if (func === boolbase_1.falseFunc)
57 return next;
58 if (func === boolbase_1.trueFunc)
59 return boolbase_1.falseFunc;
60 return function not(elem) {
61 return !func(elem) && next(elem);
62 };
63 },
64 has: function (next, subselect, options, _context, compileToken) {
65 var adapter = options.adapter;
66 var opts = {
67 xmlMode: !!options.xmlMode,
68 adapter: adapter,
69 equals: options.equals,
70 };
71 // @ts-expect-error Uses an array as a pointer to the current element (side effects)
72 var context = subselect.some(function (s) {
73 return s.some(procedure_1.isTraversal);
74 })
75 ? [exports.PLACEHOLDER_ELEMENT]
76 : undefined;
77 var compiled = compileToken(subselect, opts, context);
78 if (compiled === boolbase_1.falseFunc)
79 return boolbase_1.falseFunc;
80 if (compiled === boolbase_1.trueFunc) {
81 return function (elem) {
82 return adapter.getChildren(elem).some(adapter.isTag) && next(elem);
83 };
84 }
85 var hasElement = ensureIsTag(compiled, adapter);
86 var _a = compiled.shouldTestNextSiblings, shouldTestNextSiblings = _a === void 0 ? false : _a;
87 /*
88 * `shouldTestNextSiblings` will only be true if the query starts with
89 * a traversal (sibling or adjacent). That means we will always have a context.
90 */
91 if (context) {
92 return function (elem) {
93 context[0] = elem;
94 var childs = adapter.getChildren(elem);
95 var nextElements = shouldTestNextSiblings
96 ? __spreadArray(__spreadArray([], childs), getNextSiblings(elem, adapter)) : childs;
97 return (next(elem) && adapter.existsOne(hasElement, nextElements));
98 };
99 }
100 return function (elem) {
101 return next(elem) &&
102 adapter.existsOne(hasElement, adapter.getChildren(elem));
103 };
104 },
105};
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