Vendor things

third-party/vendor/sourcemap/examples/split_ram_bundle.rs

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+use std::env;
+use std::fs;
+use std::fs::File;
+use std::path::Path;
+
+use sourcemap::ram_bundle::{split_ram_bundle, RamBundle, RamBundleType};
+use sourcemap::SourceMapIndex;
+
+const USAGE: &str = "
+Usage:
+    ./split_ram_bundle RAM_BUNDLE SOURCEMAP OUT_DIRECTORY
+
+This example app splits the given RAM bundle and the sourcemap into a set of
+source files and their sourcemaps.
+
+Both indexed and file RAM bundles are supported.
+";
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let args: Vec<_> = env::args().collect();
+    if args.len() < 4 {
+        println!("{USAGE}");
+        std::process::exit(1);
+    }
+
+    let bundle_path = Path::new(&args[1]);
+    let ram_bundle = RamBundle::parse_indexed_from_path(bundle_path)
+        .or_else(|_| RamBundle::parse_unbundle_from_path(bundle_path))?;
+
+    match ram_bundle.bundle_type() {
+        RamBundleType::Indexed => println!("Indexed RAM Bundle detected"),
+        RamBundleType::Unbundle => println!("File RAM Bundle detected"),
+    }
+
+    let sourcemap_file = File::open(&args[2])?;
+    let ism = SourceMapIndex::from_reader(sourcemap_file).unwrap();
+
+    let output_directory = Path::new(&args[3]);
+    if !output_directory.exists() {
+        panic!("Directory {} does not exist!", output_directory.display());
+    }
+
+    println!(
+        "Ouput directory: {}",
+        output_directory.canonicalize()?.display()
+    );
+    let ram_bundle_iter = split_ram_bundle(&ram_bundle, &ism).unwrap();
+    for result in ram_bundle_iter {
+        let (name, sv, sm) = result.unwrap();
+        println!("Writing down source: {name}");
+        fs::write(output_directory.join(name.clone()), sv.source())?;
+
+        let sourcemap_name = format!("{name}.map");
+        println!("Writing down sourcemap: {sourcemap_name}");
+        let out_sm = File::create(output_directory.join(sourcemap_name))?;
+        sm.to_writer(out_sm)?;
+    }
+    println!("Done.");
+
+    Ok(())
+}