library(targets)

    # following `tar_dir` usage from the tarchetypes docs
    tar_dir({
        tar_script({
            library(targets)
            library(tarchetypes)
            library(crew)
         
            tar_option_set(
                controller = crew::crew_controller_local(workers = 10, seconds_idle = 60)
            )
            
            # a report
            tmp <- "report.qmd"          
            cat("---\nformat: typst\nparams:\n    value: 1\n---\n\n```{r}\n# seems you need an R chunk\n```\n\n## `r params$value`\n\n`r params$value` is the value.\n",
                file = tmp
            )
            
            list(
                tar_quarto_rep(
                    name = reports,
                    path = tmp,
                    execute_params = data.frame(value = 1:10, output_file = paste0(1:10, ".pdf")),
                    quiet = FALSE
                )
            )
            
        }, ask = FALSE) # close tar_script
        
        
        tar_make()
        
    }) # close tar_dir

Sys.info()
#>                                                                                                     sysname 
#>                                                                                                    "Darwin" 
#>                                                                                                     release 
#>                                                                                                    "24.6.0" 
#>                                                                                                     version 
#> "Darwin Kernel Version 24.6.0: Wed Oct 15 21:12:21 PDT 2025; root:xnu-11417.140.69.703.14~1/RELEASE_X86_64" 
#>                                                                                                     machine 
#>                                                                                                    "x86_64" 

sessionInfo()
#> R version 4.5.0 (2025-04-11)
#> Platform: x86_64-apple-darwin20
#> Running under: macOS Sequoia 15.7.2
#> 
#> Matrix products: default
#> BLAS:   /Library/Frameworks/R.framework/Versions/4.5-x86_64/Resources/lib/libRblas.0.dylib 
#> LAPACK: /Library/Frameworks/R.framework/Versions/4.5-x86_64/Resources/lib/libRlapack.dylib;  LAPACK version 3.12.1
#> 
#> locale:
#> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
#> 
#> other attached packages:
#> [1] crew_1.3.0         tarchetypes_0.13.0 targets_1.11.4    
#> 
#> loaded via a namespace (and not attached):
#>  [1] base64url_1.4     dplyr_1.1.4       compiler_4.5.0    promises_1.3.3   
#>  [5] Rcpp_1.1.0        reprex_2.1.1      tidyselect_1.2.1  parallel_4.5.0   
#>  [9] callr_3.7.6       later_1.4.2       yaml_2.3.10       fastmap_1.2.0    
#> [13] R6_2.6.1          generics_0.1.4    nanonext_1.7.1    igraph_2.1.4     
#> [17] knitr_1.50        backports_1.5.0   mirai_2.5.1       tibble_3.3.0     
#> [21] pillar_1.10.2     rlang_1.1.6       xfun_0.52         fs_1.6.6         
#> [25] otel_0.2.0        cli_3.6.5         withr_3.0.2       magrittr_2.0.3   
#> [29] ps_1.9.1          digest_0.6.37     processx_3.8.6    rstudioapi_0.17.1
#> [33] secretbase_1.0.5  lifecycle_1.0.4   prettyunits_1.2.0 vctrs_0.6.5      
#> [37] evaluate_1.0.3    glue_1.8.0        data.table_1.17.6 collections_0.3.9
#> [41] codetools_0.2-20  rmarkdown_2.29    tools_4.5.0       pkgconfig_2.0.3  
#> [45] htmltools_0.5.8.1