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| ; | |
| 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; | |