1 files changed, 75 insertions, 0 deletions
diff --git a/vendor/twbs/bootstrap/js/src/dom/selector-engine.js b/vendor/twbs/bootstrap/js/src/dom/selector-engine.js
new file mode 100644
index 000000000..381e45fe8
--- /dev/null
+++ b/vendor/twbs/bootstrap/js/src/dom/selector-engine.js
@@ -0,0 +1,75 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.0.2): dom/selector-engine.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+/**
+ * ------------------------------------------------------------------------
+ * Constants
+ * ------------------------------------------------------------------------
+ */
+
+const NODE_TEXT = 3
+
+const SelectorEngine = {
+  find(selector, element = document.documentElement) {
+    return [].concat(...Element.prototype.querySelectorAll.call(element, selector))
+  },
+
+  findOne(selector, element = document.documentElement) {
+    return Element.prototype.querySelector.call(element, selector)
+  },
+
+  children(element, selector) {
+    return [].concat(...element.children)
+      .filter(child => child.matches(selector))
+  },
+
+  parents(element, selector) {
+    const parents = []
+
+    let ancestor = element.parentNode
+
+    while (ancestor && ancestor.nodeType === Node.ELEMENT_NODE && ancestor.nodeType !== NODE_TEXT) {
+      if (ancestor.matches(selector)) {
+        parents.push(ancestor)
+      }
+
+      ancestor = ancestor.parentNode
+    }
+
+    return parents
+  },
+
+  prev(element, selector) {
+    let previous = element.previousElementSibling
+
+    while (previous) {
+      if (previous.matches(selector)) {
+        return [previous]
+      }
+
+      previous = previous.previousElementSibling
+    }
+
+    return []
+  },
+
+  next(element, selector) {
+    let next = element.nextElementSibling
+
+    while (next) {
+      if (next.matches(selector)) {
+        return [next]
+      }
+
+      next = next.nextElementSibling
+    }
+
+    return []
+  }
+}
+
+export default SelectorEngine