fix: The functions in the library cannot be modified after being defined (#1938)

Author: shaohuzhang1

ui/src/components/codemirror-editor/index.vue

@@ -22,7 +22,11 @@ defineOptions({ name: 'CodemirrorEditor' })
 function getRangeFromLineAndColumn(state: any, line: number, column: number, end_column?: number) {
   const l = state.doc.line(line)
   const form = l.from + column
-  return { form: form > l.to ? l.to : form, to: end_column ? l.from + end_column : l.to }
+  const to_end_column = l.from + end_column
+  return {
+    form: form > l.to ? l.to : form,
+    to: end_column && to_end_column < l.to ? to_end_column : l.to
+  }
 }
 
 const regexpLinter = linter(async (view) => {