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