Function ensure_object_path

src/disk.rs:667–678

Make sure every segment of `pointer` exists as a `Value::Object`. Walks one segment at a time, creating empty objects en route. The empty-string parent (`""`) resolves to the document root per RFC 6901.

(file: &mut File<JsonValue>, pointer: &str)

/// one segment at a time, creating empty objects en route. The empty-string
/// parent (`""`) resolves to the document root per RFC 6901.
pub fn ensure_object_path(file: &mut File<JsonValue>, pointer: &str) {
  let segments: Vec<&str> = pointer.split('/').filter(|s| !s.is_empty()).collect();
  let mut current = String::new();
  for segment in segments {
    let parent = current.clone();
    current.push('/');
    current.push_str(segment);
    if !matches!(file.contents.pointer(&current), Some(JsonValue::Object(_))) {
      set_nested_prop(file, &parent, segment, JsonValue::Object(Default::default()));
    }
  }
}

/// Apply an instance's `expected_specifier` to the package.json. Dispatches
/// over the dependency type's `Strategy`. Marks the file dirty only when the