rolldown_common 1.0.0

This crate is mostly for sharing code between rolldwon crates.
Documentation 
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pub mod external_module;
pub mod normal_module;

use oxc_index::IndexVec;

use crate::{
  ExternalModule, ImportRecordIdx, ModuleId, ModuleIdx, NormalModule, ResolvedImportRecord,
  StableModuleId, SymbolRef,
};

#[derive(Debug, Clone)]
pub enum Module {
  Normal(Box<NormalModule>),
  External(Box<ExternalModule>),
}

impl Module {
  pub fn idx(&self) -> ModuleIdx {
    match self {
      Module::Normal(v) => v.idx,
      Module::External(v) => v.idx,
    }
  }

  #[inline]
  pub fn exec_order(&self) -> u32 {
    match self {
      Module::Normal(v) => v.exec_order,
      Module::External(v) => v.exec_order,
    }
  }

  pub fn id(&self) -> &ModuleId {
    match self {
      Module::Normal(v) => &v.id,
      Module::External(v) => &v.id,
    }
  }

  pub fn side_effects(&self) -> &crate::side_effects::DeterminedSideEffects {
    match self {
      Module::Normal(v) => &v.side_effects,
      Module::External(v) => &v.side_effects,
    }
  }

  pub fn stable_id(&self) -> &StableModuleId {
    match self {
      Module::Normal(v) => &v.stable_id,
      Module::External(v) => &v.stable_id,
    }
  }

  pub fn repr_name(&self) -> &str {
    match self {
      Module::Normal(v) => v.repr_name.as_str(),
      Module::External(v) => v.identifier_name.as_str(),
    }
  }

  pub fn normal(v: NormalModule) -> Self {
    Module::Normal(Box::new(v))
  }

  pub fn external(v: ExternalModule) -> Self {
    Module::External(Box::new(v))
  }

  pub fn as_normal(&self) -> Option<&NormalModule> {
    match self {
      Module::Normal(v) => Some(v),
      Module::External(_) => None,
    }
  }

  pub fn as_external(&self) -> Option<&ExternalModule> {
    match self {
      Module::External(v) => Some(v),
      Module::Normal(_) => None,
    }
  }

  pub fn as_normal_mut(&mut self) -> Option<&mut NormalModule> {
    match self {
      Module::Normal(v) => Some(v),
      Module::External(_) => None,
    }
  }

  pub fn as_external_mut(&mut self) -> Option<&mut ExternalModule> {
    match self {
      Module::External(v) => Some(v),
      Module::Normal(_) => None,
    }
  }

  pub fn import_records(&self) -> &IndexVec<ImportRecordIdx, ResolvedImportRecord> {
    match self {
      Module::Normal(v) => &v.ecma_view.import_records,
      Module::External(v) => &v.import_records,
    }
  }

  pub fn set_import_records(&mut self, records: IndexVec<ImportRecordIdx, ResolvedImportRecord>) {
    match self {
      Module::Normal(v) => v.ecma_view.import_records = records,
      Module::External(v) => v.import_records = records,
    }
  }

  /// Returns the namespace object ref if this is a normal module.
  pub fn namespace_object_ref(&self) -> Option<SymbolRef> {
    self.as_normal().map(|m| m.namespace_object_ref)
  }

  /// Returns `true` if the module is [`Ecma`].
  ///
  /// [`Ecma`]: Module::Ecma
  #[must_use]
  pub fn is_normal(&self) -> bool {
    matches!(self, Self::Normal(..))
  }

  pub fn is_external(&self) -> bool {
    matches!(self, Self::External(..))
  }

  pub fn size(&self) -> usize {
    match self {
      Module::Normal(v) => v.source.len(),
      Module::External(_) => 0,
    }
  }
}

impl From<NormalModule> for Module {
  fn from(module: NormalModule) -> Self {
    Module::Normal(Box::new(module))
  }
}

impl From<ExternalModule> for Module {
  fn from(module: ExternalModule) -> Self {
    Module::External(Box::new(module))
  }
}