Add show colors

R/show_colors.R

+library(tidyverse)
+
+read_colors <- function(file) {
+  text <- readLines(file, warn = FALSE) %>% 
+    str_subset("#[0-9a-fA-F]{6}") # must be len-6 hex
+  
+  str_match_all(text, "\\$(.+)\\s*:\\s*(#[0-9a-fA-F]{6});") %>% 
+    discard(~ length(.) < 1) %>% 
+    map_dfr(~ tibble(name = .[, 2], color = .[, 3])) %>% 
+    distinct(name, color) %>% 
+    mutate(name = factor(name, unique(name)))
+}
+
+
+show_colors <- function(colors) {
+  ggplot(colors) +
+    aes(1, 1, fill = color) +
+    geom_tile() +
+    facet_wrap(~ name + color) +
+    scale_fill_identity() +
+    theme_void()
+}