Function to_data_url 

pub fn to_data_url(json: &str) -> String

Convert a source map JSON string to a data: URL.

Format: data:application/json;base64,<base64-encoded-json>

Examples

use srcmap_sourcemap::utils::to_data_url;
let url = to_data_url(r#"{"version":3}"#);
assert!(url.starts_with("data:application/json;base64,"));