Fixes

src/filesystem.rs

@@ -167,10 +167,23 @@ pub trait PathMap {
     fn set_path(&mut self, path: PathBuf, source: SourceId);
 }
 
+impl<T: PathMap> MapFileStore<T> {
+    pub fn update_file(&mut self, id: SourceId, content: String) {
+        self.sources[id.0 as usize].content = content;
+    }
+
+    /// Returns the NEW length of the file's content
+    pub fn append_to_file(&mut self, id: SourceId, content: &str) -> usize {
+        let existing = &mut self.sources[id.0 as usize].content;
+        existing.push_str(content);
+        existing.len()
+    }
+}
+
 impl MapFileStore<WithPathMap> {
     /// TODO partial updates
     pub fn update_file_at_path(&mut self, path: &Path, content: String) {
-        self.sources[self.mappings.0[path].0 as usize].content = content;
+        self.update_file(self.mappings.0[path], content);
     }
 
     /// Either a rename or move

src/lib.rs

@@ -97,11 +97,11 @@ impl SourceMapBuilder {
             source: from_source,
         } = source_position;
 
-        self.used_sources.insert(from_source.clone());
+        self.used_sources.insert(*from_source);
 
         self.mappings.push(MappingOrBreak::Mapping(SourceMapping {
-            from_source: from_source.clone(),
-            source_byte_start: source_byte_start.clone().try_into().unwrap(),
+            from_source: *from_source,
+            source_byte_start: (*source_byte_start).try_into().unwrap(),
             on_output_column: self.current_output_column,
             // source_byte_end: *source_byte_end,
             // on_output_line: self.current_output_line,

src/lines_columns_indexes.rs

@@ -67,8 +67,8 @@ mod tests {
         let mut last = iterator.next().unwrap();
         for part in iterator {
             let value = &source[last..part];
-            let value = value.strip_suffix("\n").unwrap();
-            let value = value.strip_suffix("\r").unwrap_or(value);
+            let value = value.strip_suffix('\n').unwrap();
+            let value = value.strip_suffix('\r').unwrap_or(value);
             actual_lines.push(value);
             last = part;
         }

src/to_string.rs

@@ -54,11 +54,15 @@ impl StringWithSourceMap {
     #[cfg(feature = "inline-source-map")]
     /// Build the output and append the source map in base 64
     pub fn build_with_inline_source_map(self, filesystem: &impl FileSystem) -> String {
+        use base64::Engine;
+
         let Self(mut source, source_map) = self;
         let built_source_map = source_map.build(filesystem);
         // Inline URL:
         source.push_str("\n//# sourceMappingURL=data:application/json;base64,");
-        source.push_str(&base64::encode(built_source_map.to_json(filesystem)));
+        source.push_str(
+            &base64::prelude::BASE64_STANDARD.encode(built_source_map.to_json(filesystem)),
+        );
         source
     }
 }