1 files changed, 34 insertions, 0 deletions
diff --git a/vendor/askama/src/filters/yaml.rs b/vendor/askama/src/filters/yaml.rs
new file mode 100644
index 000000000..9f4c8021c
--- /dev/null
+++ b/vendor/askama/src/filters/yaml.rs
@@ -0,0 +1,34 @@
+use crate::error::{Error, Result};
+use askama_escape::{Escaper, MarkupDisplay};
+use serde::Serialize;
+
+/// Serialize to YAML (requires `serde_yaml` feature)
+///
+/// ## Errors
+///
+/// This will panic if `S`'s implementation of `Serialize` decides to fail,
+/// or if `T` contains a map with non-string keys.
+pub fn yaml<E: Escaper, S: Serialize>(e: E, s: S) -> Result<MarkupDisplay<E, String>> {
+    match serde_yaml::to_string(&s) {
+        Ok(s) => Ok(MarkupDisplay::new_safe(s, e)),
+        Err(e) => Err(Error::from(e)),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use askama_escape::Html;
+
+    #[test]
+    fn test_yaml() {
+        assert_eq!(yaml(Html, true).unwrap().to_string(), "true\n");
+        assert_eq!(yaml(Html, "foo").unwrap().to_string(), "foo\n");
+        assert_eq!(yaml(Html, true).unwrap().to_string(), "true\n");
+        assert_eq!(yaml(Html, "foo").unwrap().to_string(), "foo\n");
+        assert_eq!(
+            yaml(Html, &vec!["foo", "bar"]).unwrap().to_string(),
+            "- foo\n- bar\n"
+        );
+    }
+}