Add the ability to preview without opening the browser

README.md

@@ -171,6 +171,8 @@ If you would like to be able to publish your code to multiple places, please see
 
   Additionally, you can preview different environments. This is useful if you have different builds for different environments (like staging vs. production), but typically isn't needed. For more information see the [environments documentation](https://github.com/cloudflare/wrangler/blob/master/docs/content/environments.md).
 
+  <!-- TODO: Document changes to wrangler preview -->
+
 - ### 🗂️ `kv`
 
   Interact with your Cloudflare Workers KV store. [Check out the docs.](./docs/content/kv_commands.md)

src/commands/publish/preview/mod.rs

@@ -34,6 +34,7 @@ pub fn preview(
     body: Option<String>,
     livereload: bool,
     verbose: bool,
+    browser: bool,
 ) -> Result<(), failure::Error> {
     let sites_preview: bool = target.site.is_some();
 
@@ -51,10 +52,12 @@ pub fn preview(
 
         info!("Opened websocket server on port {}", ws_port);
 
-        open_browser(&format!(
+        if browser {
+            open_browser(&format!(
             "https://cloudflareworkers.com/?wrangler_session_id={0}&wrangler_ws_port={1}&hide_editor#{2}:{3}{4}",
             &session.to_string(), ws_port, script_id, https_str, preview_host,
         ))?;
+        }
 
         //don't do initial GET + POST with livereload as the expected behavior is unclear.
 
@@ -68,10 +71,12 @@ pub fn preview(
             verbose,
         )?;
     } else {
-        open_browser(&format!(
-            "https://cloudflareworkers.com/?hide_editor#{0}:{1}{2}",
-            script_id, https_str, preview_host
-        ))?;
+        if browser {
+            open_browser(&format!(
+                "https://cloudflareworkers.com/?hide_editor#{0}:{1}{2}",
+                script_id, https_str, preview_host
+            ))?;
+        }
 
         let cookie = format!(
             "__ew_fiddle_preview={}{}{}{}",

src/main.rs

@@ -307,6 +307,13 @@ fn run() -> Result<(), failure::Error> {
                     "{} Preview your code temporarily on cloudflareworkers.com",
                     emoji::MICROSCOPE
                 ))
+                .arg(
+                    Arg::with_name("terminal")
+                        .help("Preview your worker in the terminal and not the browser")
+                        .short("t")
+                        .long("terminal")
+                        .takes_value(false)
+                )
                 .arg(
                     Arg::with_name("method")
                         .help("Type of request to preview your worker with (get, post)")
@@ -471,8 +478,9 @@ fn run() -> Result<(), failure::Error> {
 
         let watch = matches.is_present("watch");
         let verbose = matches.is_present("verbose");
+        let browser = !matches.is_present("terminal");
 
-        commands::preview(target, user, method, body, watch, verbose)?;
+        commands::preview(target, user, method, body, watch, verbose, browser)?;
     } else if matches.subcommand_matches("whoami").is_some() {
         log::info!("Getting User settings");
         let user = settings::global_user::GlobalUser::new()?;

tests/preview.rs

@@ -72,5 +72,5 @@ fn preview(fixture: &str) {
 
     let mut preview = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
     preview.current_dir(utils::fixture_path(fixture));
-    preview.arg("preview").assert().success();
+    preview.arg("preview").arg("-t").assert().success();
 }