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admin-system/node_modules/element-plus/lib/hooks/use-cursor/index.js

@@ -0,0 +1,48 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+function useCursor(input) {
+  let selectionInfo;
+  function recordCursor() {
+    if (input.value == void 0)
+      return;
+    const { selectionStart, selectionEnd, value } = input.value;
+    if (selectionStart == null || selectionEnd == null)
+      return;
+    const beforeTxt = value.slice(0, Math.max(0, selectionStart));
+    const afterTxt = value.slice(Math.max(0, selectionEnd));
+    selectionInfo = {
+      selectionStart,
+      selectionEnd,
+      value,
+      beforeTxt,
+      afterTxt
+    };
+  }
+  function setCursor() {
+    if (input.value == void 0 || selectionInfo == void 0)
+      return;
+    const { value } = input.value;
+    const { beforeTxt, afterTxt, selectionStart } = selectionInfo;
+    if (beforeTxt == void 0 || afterTxt == void 0 || selectionStart == void 0)
+      return;
+    let startPos = value.length;
+    if (value.endsWith(afterTxt)) {
+      startPos = value.length - afterTxt.length;
+    } else if (value.startsWith(beforeTxt)) {
+      startPos = beforeTxt.length;
+    } else {
+      const beforeLastChar = beforeTxt[selectionStart - 1];
+      const newIndex = value.indexOf(beforeLastChar, selectionStart - 1);
+      if (newIndex !== -1) {
+        startPos = newIndex + 1;
+      }
+    }
+    input.value.setSelectionRange(startPos, startPos);
+  }
+  return [recordCursor, setCursor];
+}
+
+exports.useCursor = useCursor;
+//# sourceMappingURL=index.js.map