Print out namespaces list as json by default

docs/content/kv_commands.md

@@ -86,16 +86,20 @@ yes
 Outputs a list of all KV namespaces associated with your account id.
 
 #### Usage
+The example below uses the `jq` command line tool to pretty-print output.
 
 ```sh
-$ wrangler kv:namespace list
-🌀  Retrieving namespaces
-✨  Success:
-+---------------+----------------------------------+
-| TITLE         | ID                               |
-+---------------+----------------------------------+
-| New Namespace | f7b02e7fc70443149ac906dd81ec1791 |
-+---------------+----------------------------------+
+$ wrangler kv:namespace list | jq '.'
+[
+    {
+        "id": "06779da6940b431db6e566b4846d64db",
+        "title": "TEST_NAMESPACE"
+    },
+    {
+        "id": "32ac1b3c2ed34ed3b397268817dea9ea",
+        "title": "STATIC_CONTENT"
+    }
+]
 ```
 
 ## `kv:key`
@@ -168,10 +172,9 @@ Optional params include
 1. `--prefix`: A prefix to filter listed keys.
 
 #### Usage
-The example below uses Python's JSON pretty-printing command line tool to pretty-print output.
-
+The example below uses the `jq` command line tool to pretty-print output.
 ```sh
-$ wrangler kv:key list --binding=MY_NAMESPACE --prefix="public" | python -m json.tool
+$ wrangler kv:key list --binding=MY_NAMESPACE --prefix="public" | jq '.'
 [
     {
         "name": "public_key"

src/commands/kv/namespace/list.rs

@@ -1,43 +1,24 @@
 use cloudflare::endpoints::workerskv::list_namespaces::ListNamespaces;
-use cloudflare::endpoints::workerskv::WorkersKvNamespace;
 use cloudflare::framework::apiclient::ApiClient;
 
-use prettytable::{Cell, Row, Table};
-
 use crate::commands::kv;
 use crate::settings::global_user::GlobalUser;
 use crate::settings::target::Target;
-use crate::terminal::message;
 
 pub fn list(target: &Target, user: GlobalUser) -> Result<(), failure::Error> {
     let client = kv::api_client(user)?;
 
-    message::working("Fetching namespaces...");
-
     let response = client.request(&ListNamespaces {
         account_identifier: &target.account_id,
     });
 
     match response {
         Ok(success) => {
-            let table = namespace_table(success.result);
-            message::success(&format!("Success: \n{}", table));
+            let result = serde_json::to_string(&success.result)?;
+            println!("{}", result);
         }
         Err(e) => kv::print_error(e),
     }
 
     Ok(())
 }
-
-fn namespace_table(namespaces: Vec<WorkersKvNamespace>) -> Table {
-    let mut table = Table::new();
-    let table_head = Row::new(vec![Cell::new("TITLE"), Cell::new("ID")]);
-
-    table.add_row(table_head);
-    for ns in namespaces {
-        let row = Row::new(vec![Cell::new(&ns.title), Cell::new(&ns.id)]);
-        table.add_row(row);
-    }
-
-    table
-}