1 files changed, 89 insertions, 0 deletions
diff --git a/node_modules/css-select/lib/pseudo-selectors/pseudos.js b/node_modules/css-select/lib/pseudo-selectors/pseudos.js
new file mode 100644
index 0000000..c5da839
--- /dev/null
+++ b/node_modules/css-select/lib/pseudo-selectors/pseudos.js
@@ -0,0 +1,89 @@
+"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;