Initial Commit

node_modules/web-vitals/dist/modules/lib/getSelector.js

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const getName = (node) => {
+    const name = node.nodeName;
+    return node.nodeType === 1
+        ? name.toLowerCase()
+        : name.toUpperCase().replace(/^#/, '');
+};
+export const getSelector = (node, maxLen) => {
+    let sel = '';
+    try {
+        while (node && node.nodeType !== 9) {
+            const el = node;
+            const part = el.id
+                ? '#' + el.id
+                : getName(el) +
+                    (el.classList &&
+                        el.classList.value &&
+                        el.classList.value.trim() &&
+                        el.classList.value.trim().length
+                        ? '.' + el.classList.value.trim().replace(/\s+/g, '.')
+                        : '');
+            if (sel.length + part.length > (maxLen || 100) - 1)
+                return sel || part;
+            sel = sel ? part + '>' + sel : part;
+            if (el.id)
+                break;
+            node = el.parentNode;
+        }
+    }
+    catch (err) {
+        // Do nothing...
+    }
+    return sel;
+};