Identifier Type — react Architecture

Source Code

compiler/packages/babel-plugin-react-compiler/src/HIR/HIR.ts lines 1252–1277

export type Identifier = {
  /**
   * After EnterSSA, `id` uniquely identifies an SSA instance of a variable.
   * Before EnterSSA, `id` matches `declarationId`.
   */
  id: IdentifierId;

  /**
   * Uniquely identifies a given variable in the original program. If a value is
   * reassigned in the original program each reassigned value will have a distinct
   * `id` (after EnterSSA), but they will still have the same `declarationId`.
   */
  declarationId: DeclarationId;

  // null for temporaries. name is primarily used for debugging.
  name: IdentifierName | null;
  // The range for which this variable is mutable
  mutableRange: MutableRange;
  /*
   * The ID of the reactive scope which will compute this value. Multiple
   * variables may have the same scope id.
   */
  scope: ReactiveScope | null;
  type: Type;
  loc: SourceLocation;
};