metadata.md
In quarto: R Interface to 'Quarto' Markdown Publishing System

write_yaml_metadata_block handles complex data types

Code
  cat(write_yaml_metadata_block(title = "Complex Test", date = current_date,
    count = 42L, rate = 3.14, tags = c("r", "quarto", "test")))
Output
  ---
  title: Complex Test
  date: 20262.0
  count: 42
  rate: 3.14
  tags:
  - r
  - quarto
  - test
  ---

write_yaml_metadata_block handles nested lists

Code
  cat(write_yaml_metadata_block(format = list(html = list(toc = TRUE, theme = "bootstrap"),
  pdf = list(documentclass = "article"))))
Output
  ---
  format:
    html:
      toc: true
      theme: bootstrap
    pdf:
      documentclass: article
  ---

write_yaml_metadata_block overrides .list with direct arguments

Code
  cat(write_yaml_metadata_block(title = "Direct Argument", author = "John",
    .list = meta_list))
Output
  ---
  title: Direct Argument
  debug: true
  author: John
  ---

write_yaml_metadata_block handles special characters in values

Code
  cat(write_yaml_metadata_block(title = "Test: A Study of R & Quarto",
    description = "This is a \"quoted\" string with 'mixed' quotes", path = "C:\\Users\\test\\file.txt"))
Output
  ---
  title: 'Test: A Study of R & Quarto'
  description: This is a "quoted" string with 'mixed' quotes
  path: C:\Users\test\file.txt
  ---

write_yaml_metadata_block handles empty lists and vectors

Code
  cat(write_yaml_metadata_block(title = "Test", empty_list = list(),
  empty_vector = character(0), empty_numeric = numeric(0)))
Output
  ---
  title: Test
  empty_list: []
  empty_vector: []
  empty_numeric: []
  ---