(chore): Update for newer base64 API

Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>

2 files changed, 5 insertions, 3 deletions

diff --git a/src/codegen.rs b/src/codegen.rs
index 8c69ed3..9f346a9 100644
--- a/src/codegen.rs
+++ b/src/codegen.rs
@@ -4,7 +4,7 @@ use std::fs::File;
 use std::io::Write;
 use std::path::{Path, PathBuf};
 
-use base64::encode;
+use base64::prelude::{Engine as _, BASE64_STANDARD};
 
 use serde::Serialize;
 use tera::{Context, Tera, Value};
@@ -88,7 +88,7 @@ fn write(filename: &Path, content: &str) -> Result<(), SubplotError> {
 
 fn base64(v: &Value, _: &HashMap<String, Value>) -> tera::Result<Value> {
     match v {
-        Value::String(s) => Ok(Value::String(encode(s))),
+        Value::String(s) => Ok(Value::String(BASE64_STANDARD.encode(s))),
         _ => Err(tera::Error::msg(
             "can only base64 encode strings".to_string(),
         )),
diff --git a/src/md.rs b/src/md.rs
index 90b5aba..9ad30bc 100644
--- a/src/md.rs
+++ b/src/md.rs
@@ -360,6 +360,8 @@ mod typeset {
     use crate::{DiagramMarkup, DotMarkup, PikchrMarkup, PlantumlMarkup, Svg};
     // use crate::{Warning, Warnings};
 
+    use base64::prelude::{Engine as _, BASE64_STANDARD};
+
     pub(crate) fn typeset_element(e: &Element) -> Result<Element, SubplotError> {
         match e.tag() {
             ElementTag::Pre if e.has_attr("class", "scenario") => typeset_scenario(e),
@@ -434,7 +436,7 @@ mod typeset {
     }
 
     fn svg_as_data_url(svg: Svg) -> String {
-        let svg = base64::encode(svg.data());
+        let svg = BASE64_STANDARD.encode(svg.data());
         format!("data:image/svg+xml;base64,{svg}")
     }