Created
April 4, 2024 02:55
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Example script for converting an excalidraw diagram to a d2 diagram
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| library(dplyr) | |
| library(rlang) | |
| library(purrr) | |
| # library(d2r) | |
| library(minixcali) | |
| path <- "Untitled-2024-03-28-1327.excalidraw" | |
| file <- xkd_read(path, simplifyVector = TRUE) | |
| fmt_shape <- function(type) { | |
| case_match( | |
| type, | |
| "ellipse" ~ "oval", | |
| "rectangle" ~ NA_character_, | |
| .default = type | |
| ) | |
| } | |
| elements <- file[["elements"]] |> | |
| mutate( | |
| text = stringr::str_remove_all(text, "\n") | |
| ) | |
| containers <- elements |> | |
| filter(type != "text") | |
| text <- elements |> | |
| filter(type == "text") | |
| arrows <- elements |> | |
| filter(type == "arrow") | |
| d2_text <- text |> | |
| select(id, containerId, text) |> | |
| left_join( | |
| containers |> | |
| select(id, type), | |
| by = join_by(containerId == id) | |
| ) |> | |
| filter( | |
| type != "arrow", | |
| ) |> | |
| mutate( | |
| type = fmt_shape(type) | |
| ) |> | |
| pmap_chr( | |
| \(containerId, text, type, ...) { | |
| d2_container( | |
| id = containerId, | |
| label = text, | |
| shape = type | |
| ) | |
| } | |
| ) | |
| connections <- set_names( | |
| arrows$endBinding$elementId, | |
| arrows$startBinding$elementId | |
| ) | |
| # connections <- connections[!is.na(connections)] | |
| d2_connections <- | |
| d2_connections( | |
| connections | |
| ) | |
| c( | |
| d2_text, | |
| d2_connections | |
| ) |> | |
| d2r::d2_render( | |
| "example-excalidraw.png" | |
| ) |
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