Function copy_expected_specifier_json

src/disk.rs:683–704

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

(file: &mut File<JsonValue>, instance: &Instance)

/// over the dependency type's `Strategy`. Marks the file dirty only when the
/// stored value actually changed.
pub fn copy_expected_specifier_json(file: &mut File<JsonValue>, instance: &Instance) {
  let path_to_prop_str = &instance.descriptor.dependency_type.path.as_str();
  let raw_specifier = instance.expected_specifier.borrow().as_ref().unwrap().get_raw().to_string();
  match instance.descriptor.dependency_type.strategy {
    Strategy::NameAndVersionProps => {
      set_prop(file, path_to_prop_str, JsonValue::String(raw_specifier));
    }
    Strategy::NamedVersionString => {
      let full_value = format!("{}@{}", instance.descriptor.name, raw_specifier);
      set_prop(file, path_to_prop_str, JsonValue::String(full_value));
    }
    Strategy::UnnamedVersionString => {
      set_prop(file, path_to_prop_str, JsonValue::String(raw_specifier));
    }
    Strategy::VersionsByName => {
      set_nested_prop(file, path_to_prop_str, &instance.descriptor.name, JsonValue::String(raw_specifier));
    }
    Strategy::InvalidConfig => {
      unreachable!("unrecognised strategy");
    }
  };
}

/// Eagerly convert the parsed yaml into an owned `serde_json::Value`. No
/// caching — every call allocates a fresh Value. Caller is expected to