1use anyhow::Result;
 2use serde_json::Value;
 3
 4use crate::patterns::migrate_language_setting;
 5
 6pub fn remove_formatters_on_save(value: &mut Value) -> Result<()> {
 7    migrate_language_setting(value, remove_formatters_on_save_inner)
 8}
 9
10fn remove_formatters_on_save_inner(value: &mut Value, path: &[&str]) -> Result<()> {
11    let Some(obj) = value.as_object_mut() else {
12        return Ok(());
13    };
14    let Some(format_on_save) = obj.get("format_on_save").cloned() else {
15        return Ok(());
16    };
17    let is_format_on_save_set_to_formatter = format_on_save
18        .as_str()
19        .map_or(true, |s| s != "on" && s != "off");
20    if !is_format_on_save_set_to_formatter {
21        return Ok(());
22    }
23
24    fn fmt_path(path: &[&str], key: &str) -> String {
25        let mut path = path.to_vec();
26        path.push(key);
27        path.join(".")
28    }
29
30    anyhow::ensure!(
31        obj.get("formatter").is_none(),
32        r#"Setting formatters in both "format_on_save" and "formatter" is deprecated. Please migrate the formatters from {} into {}"#,
33        fmt_path(path, "format_on_save"),
34        fmt_path(path, "formatter")
35    );
36
37    obj.insert("format_on_save".to_string(), serde_json::json!("on"));
38    obj.insert("formatter".to_string(), format_on_save);
39
40    Ok(())
41}