You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
3.3 KiB
90 lines
3.3 KiB
3 years ago
|
"use strict";
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
exports.verifyPseudoArgs = exports.pseudos = void 0;
|
||
|
|
// While filters are precompiled, pseudos get called when they are needed
|
||
|
|
exports.pseudos = {
|
||
|
|
empty: function (elem, _a) {
|
||
|
|
var adapter = _a.adapter;
|
||
|
|
return !adapter.getChildren(elem).some(function (elem) {
|
||
|
|
// FIXME: `getText` call is potentially expensive.
|
||
|
|
return adapter.isTag(elem) || adapter.getText(elem) !== "";
|
||
|
|
});
|
||
|
|
},
|
||
|
|
"first-child": function (elem, _a) {
|
||
|
|
var adapter = _a.adapter, equals = _a.equals;
|
||
|
|
var firstChild = adapter
|
||
|
|
.getSiblings(elem)
|
||
|
|
.find(function (elem) { return adapter.isTag(elem); });
|
||
|
|
return firstChild != null && equals(elem, firstChild);
|
||
|
|
},
|
||
|
|
"last-child": function (elem, _a) {
|
||
|
|
var adapter = _a.adapter, equals = _a.equals;
|
||
|
|
var siblings = adapter.getSiblings(elem);
|
||
|
|
for (var i = siblings.length - 1; i >= 0; i--) {
|
||
|
|
if (equals(elem, siblings[i]))
|
||
|
|
return true;
|
||
|
|
if (adapter.isTag(siblings[i]))
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
},
|
||
|
|
"first-of-type": function (elem, _a) {
|
||
|
|
var adapter = _a.adapter, equals = _a.equals;
|
||
|
|
var siblings = adapter.getSiblings(elem);
|
||
|
|
var elemName = adapter.getName(elem);
|
||
|
|
for (var i = 0; i < siblings.length; i++) {
|
||
|
|
var currentSibling = siblings[i];
|
||
|
|
if (equals(elem, currentSibling))
|
||
|
|
return true;
|
||
|
|
if (adapter.isTag(currentSibling) &&
|
||
|
|
adapter.getName(currentSibling) === elemName) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
},
|
||
|
|
"last-of-type": function (elem, _a) {
|
||
|
|
var adapter = _a.adapter, equals = _a.equals;
|
||
|
|
var siblings = adapter.getSiblings(elem);
|
||
|
|
var elemName = adapter.getName(elem);
|
||
|
|
for (var i = siblings.length - 1; i >= 0; i--) {
|
||
|
|
var currentSibling = siblings[i];
|
||
|
|
if (equals(elem, currentSibling))
|
||
|
|
return true;
|
||
|
|
if (adapter.isTag(currentSibling) &&
|
||
|
|
adapter.getName(currentSibling) === elemName) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
},
|
||
|
|
"only-of-type": function (elem, _a) {
|
||
|
|
var adapter = _a.adapter, equals = _a.equals;
|
||
|
|
var elemName = adapter.getName(elem);
|
||
|
|
return adapter
|
||
|
|
.getSiblings(elem)
|
||
|
|
.every(function (sibling) {
|
||
|
|
return equals(elem, sibling) ||
|
||
|
|
!adapter.isTag(sibling) ||
|
||
|
|
adapter.getName(sibling) !== elemName;
|
||
|
|
});
|
||
|
|
},
|
||
|
|
"only-child": function (elem, _a) {
|
||
|
|
var adapter = _a.adapter, equals = _a.equals;
|
||
|
|
return adapter
|
||
|
|
.getSiblings(elem)
|
||
|
|
.every(function (sibling) { return equals(elem, sibling) || !adapter.isTag(sibling); });
|
||
|
|
},
|
||
|
|
};
|
||
|
|
function verifyPseudoArgs(func, name, subselect) {
|
||
|
|
if (subselect === null) {
|
||
|
|
if (func.length > 2) {
|
||
|
|
throw new Error("pseudo-selector :".concat(name, " requires an argument"));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (func.length === 2) {
|
||
|
|
throw new Error("pseudo-selector :".concat(name, " doesn't have any arguments"));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exports.verifyPseudoArgs = verifyPseudoArgs;
|