Method update_metadata

src/render.rs:257–269

(&mut self, metadata: &str)

    }

    pub fn update_metadata(&mut self, metadata: &str) -> Result<()> {
        let mut metadata: Metadata = json::from_str(metadata).unwrap();
        metadata.char_height = utils::char_pixel_height();

        let rerender = metadata.viewport != self.metadata.viewport;
        if rerender {
            self.clear_all("")?;
        }

        self.metadata = metadata;

        Ok(())
    }

    pub fn update_content(&mut self, content: &str) -> Result<String> {
        let old_blocks = mem::take(&mut self.blocks);