src/com/google/javascript/jscomp/AbstractCommandLineRunner.java
/**
   * Writes code to an output stream, optionally wrapping it in an arbitrary wrapper that contains a
   * placeholder where the code should be inserted.
   *
   * @param module Which module to write. If this is null, write the entire AST.
   */
Writes code to an output stream, optionally wrapping it in an arbitrary wrapper that contains a
placeholder where the code should be inserted.

@param module Which module to write. If this is null, write the entire AST.
Writes code to an output stream optionally wrapping it in an arbitrary wrapper that contains a placeholder where the code should be inserted . @param module Which module to write . If this is null write the entire AST .
@GwtIncompatible("Unnecessary")
  void writeOutput(
      Appendable out,
      Compiler compiler,
      @Nullable JSModule module,
      String wrapper,
      String codePlaceholder,
      @Nullable Function<String, String> escaper)
      throws IOException {
    if (compiler.getOptions().outputJs == OutputJs.SENTINEL) {
      out.append("// No JS output because the compiler was run in checks-only mode.\n");
      return;
    }
    checkState(compiler.getOptions().outputJs == OutputJs.NORMAL);
    String code = module == null ? compiler.toSource() : compiler.toSource(module);
    writeOutput(out, compiler, code, wrapper, codePlaceholder, escaper);
  }
@ GwtIncompatible ( "Unnecessary" ) void writeOutput ( Appendable out , Compiler compiler , @ Nullable JSModule module , String wrapper , String codePlaceholder , @ Nullable Function < String , String > escaper ) throws IOException { if ( compiler . getOptions ( ) . outputJs == OutputJs . SENTINEL ) { out . append ( "// No JS output because the compiler was run in checks-only mode.\n" ) ; return ; } checkState ( compiler . getOptions ( ) . outputJs == OutputJs . NORMAL ) ; String code = module == null ? compiler . toSource ( ) : compiler . toSource ( module ) ; writeOutput ( out , compiler , code , wrapper , codePlaceholder , escaper ) ; }
Writes code to an output stream, optionally wrapping it in an arbitrary wrapper that contains a
 placeholder where the code should be inserted.
Writes code to an output stream optionally wrapping it in an arbitrary wrapper that contains a placeholder where the code should be inserted .