feat(publish): add --access flag to publish command

src/command/mod.rs

@@ -3,15 +3,16 @@
 pub mod build;
 mod login;
 mod pack;
-mod publish;
 pub mod test;
+/// Data structures and functions for publishing a package.
+pub mod publish;
 pub mod utils;
 
 use self::build::{Build, BuildOptions};
 use self::login::login;
 use self::pack::pack;
-use self::publish::publish;
 use self::test::{Test, TestOptions};
+use self::publish::{access::Access, publish};
 use error::Error;
 use slog::Logger;
 use std::path::PathBuf;
@@ -37,6 +38,10 @@ pub enum Command {
     /// 🎆  pack up your npm package and publish!
     Publish {
         /// The path to the Rust crate.
+        #[structopt(long = "access", short = "a")]
+        access: Option<Access>,
+
+        /// The access level for the package to be published
         #[structopt(parse(from_os_str))]
         path: Option<PathBuf>,
     },
@@ -92,10 +97,10 @@ pub fn run_wasm_pack(command: Command, log: &Logger) -> result::Result<(), Error
             info!(&log, "Path: {:?}", &path);
             pack(path, &log)
         }
-        Command::Publish { path } => {
+        Command::Publish { path, access } => {
             info!(&log, "Running publish command...");
             info!(&log, "Path: {:?}", &path);
-            publish(path, &log)
+            publish(path, access, &log)
         }
         Command::Login {
             registry,

src/command/publish/access.rs

@@ -0,0 +1,35 @@
+use error::Error;
+use std::fmt;
+use std::str::FromStr;
+
+/// Represents access level for the to-be publish package. Passed to `wasm-pack publish` as a flag, e.g. `--access=public`.
+#[derive(Debug)]
+pub enum Access {
+    /// Access is granted to all. All unscoped packages *must* be public.
+    Public,
+    /// Access is restricted, granted via npm permissions. Must be a scoped package.
+    Restricted,
+}
+
+impl FromStr for Access {
+    type Err = Error;
+
+    fn from_str(s: &str) -> Result<Self, Error> {
+        match s {
+      "public" => Ok(Access::Public),
+      "restricted" => Ok(Access::Restricted),
+      "private" => Ok(Access::Restricted),
+      _ => Err(Error::Unsupported { message: format!("{} is not a supported access level. See https://docs.npmjs.com/cli/access for more information on npm package access levels.", s)}),
+    }
+    }
+}
+
+impl fmt::Display for Access {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        let printable = match *self {
+            Access::Public => "--access=public",
+            Access::Restricted => "--access=restricted",
+        };
+        write!(f, "{}", printable)
+    }
+}

src/command/publish.rs → src/command/publish/mod.rs

@@ -1,3 +1,7 @@
+/// Data structure to represent published package access level.
+pub mod access;
+
+use self::access::Access;
 use command::utils::{find_pkg_directory, set_crate_path};
 use error::Error;
 use npm;
@@ -8,7 +12,11 @@ use PBAR;
 
 /// Creates a tarball from a 'pkg' directory
 /// and publishes it to the NPM registry
-pub fn publish(path: Option<PathBuf>, log: &Logger) -> result::Result<(), Error> {
+pub fn publish(
+    path: Option<PathBuf>,
+    access: Option<Access>,
+    log: &Logger,
+) -> result::Result<(), Error> {
     let crate_path = set_crate_path(path)?;
 
     info!(&log, "Publishing the npm package...");
@@ -20,7 +28,7 @@ pub fn publish(path: Option<PathBuf>, log: &Logger) -> result::Result<(), Error>
         ),
     })?;
 
-    npm::npm_publish(&pkg_directory.to_string_lossy())?;
+    npm::npm_publish(&pkg_directory.to_string_lossy(), access)?;
     info!(&log, "Published your package!");
 
     PBAR.message("💥  published your package!");

src/logger.rs

@@ -38,7 +38,7 @@ fn log_file_path(cmd: &Command) -> PathBuf {
     let path = match cmd {
         Command::Build(build_opts) => &build_opts.path,
         Command::Pack { path } => path,
-        Command::Publish { path } => path,
+        Command::Publish { path, access: _ } => path,
         Command::Test(test_opts) => &test_opts.path,
         Command::Login { .. } => &None,
     };

src/npm.rs

@@ -1,5 +1,6 @@
 //! Functionality related to publishing to npm.
 
+use command::publish::access::Access;
 use error::Error;
 use std::process::{Command, Stdio};
 
@@ -18,13 +19,27 @@ pub fn npm_pack(path: &str) -> Result<(), Error> {
 }
 
 /// Run the `npm publish` command.
-pub fn npm_publish(path: &str) -> Result<(), Error> {
-    let output = Command::new("npm")
-        .current_dir(path)
-        .arg("publish")
-        .stdin(Stdio::inherit())
-        .stdout(Stdio::inherit())
-        .output()?;
+pub fn npm_publish(path: &str, access: Option<Access>) -> Result<(), Error> {
+    let output = match access {
+        Some(a) => {
+          Command::new("npm")
+            .current_dir(path)
+            .arg("publish")
+            .arg(&format!("{}", a.to_string()))
+            .stdin(Stdio::inherit())
+            .stdout(Stdio::inherit())
+            .output()?
+        },
+        None => {
+          Command::new("npm")
+            .current_dir(path)
+            .arg("publish")
+            .stdin(Stdio::inherit())
+            .stdout(Stdio::inherit())
+            .output()?
+        },
+    };
+
     if !output.status.success() {
         let s = String::from_utf8_lossy(&output.stderr);
         Error::cli("Publishing to npm failed", s)