bun-repl - npm Package Compare versions

Comparing version 2.0.1 to 2.0.2

package.json

 {
   "type": "module",
   "name": "bun-repl",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "Experimental REPL for Bun",
@@ -33,3 +33,3 @@ "main": "src/module/repl.ts",
     "bun-devtools": "^0.0.2",
-    "bun-types": "^0.8.1",
+    "bun-types": "^1.0.1",
     "eslint": "^8.44.0",
@@ -36,0 +36,0 @@ "eslint-plugin-unicorn": "^48.0.1",

src/cli.ts

@@ -50,3 +50,4 @@ #!/usr/bin/env bun
     BUN_REPL_HISTORY_SIZE    The maximum number of lines to store in the history. (Default: 1000)
-    BUN_REPL_PROMPT          A string to override the default REPL prompt with. (Default: "> ")`);
+    BUN_REPL_PROMPT          A string to override the default REPL prompt with. (Default: "> ")
+    BUN_REPL_PORT            The port for the REPL's local server to use. (Default: random free port)`);
 }

src/repl.ts

@@ -128,2 +128,3 @@ import { type JSC } from 'bun-devtools';
             development: true,
+            port: process.env.BUN_REPL_PORT ?? 0,
             // @ts-expect-error stub
@@ -133,2 +134,3 @@ fetch() {},
         super(`ws://${server.hostname}:${server.port}/bun:inspect`);
+        debuglog(`[ws/open] repl server listening on ${$.blueBright}ws://${server.hostname}:${server.port}/bun:inspect`);
         this.onmessage = (event) => {
@@ -291,3 +293,3 @@ try {
     async eval(code: string, topLevelAwaited = false, extraOut?: { errored?: boolean, noPrintError?: boolean }): Promise<string> {
-        debuglog(`transpiled code: ${code}`);
+        debuglog(`transpiled code: ${code.trimEnd()}`);
         const { result, wasThrown } = await this.rawEval(code);
@@ -354,2 +356,3 @@ let remoteObj: EvalRemoteObject = result;
     else {
+        debuglog('Trying to load history from fallback location at home directory.');
         const homedir = os.homedir();
@@ -362,6 +365,13 @@ return await tryLoadHistory(homedir) ?? { path: join(homedir, '.bun_repl_history'), lines: [] };
     try {
+        debuglog(`Trying to load REPL history from ${path}`);
         const file = Bun.file(path);
-        if (!await file.exists()) await Bun.write(path, '');
+        if (!await file.exists()) {
+            debuglog(`History file not found, creating new one at ${path}`);
+            await Bun.write(path, '');
+        }
+        debuglog(`Loading history file from ${path}`);
         return { path, lines: (await file.text()).split('\n') };
-    } catch {
+    } catch (err) {
+        debuglog(`Failed to load history file from ${path}\nError will be printed below:`);
+        if (IS_DEBUG) console.error(err);
         return null;
@@ -396,4 +406,6 @@ }
             await repl.ready;
+            debuglog('REPL server initialized.');
             // TODO: How to make Bun transpiler not dead-code-eliminate lone constants like "5"?
             const transpiler = new SWCTranspiler();
+            debuglog('Transpiler initialized.');
             /*new Bun.Transpiler({
@@ -441,2 +453,3 @@ target: 'bun',
             }
+            debuglog(`REPL history data loaded: (${history.lines.length} lines) ${history.path}`);
             const rl = readline.createInterface({
@@ -457,2 +470,3 @@ input: process.stdin,
             });
+            debuglog('readline interface created.');
             console.log(`Welcome to Bun v${Bun.version}\nType ".help" for more information.`);
@@ -469,3 +483,2 @@ //* Only primordials should be used beyond this point!
             }); 
-            rl.prompt();
             rl.on('line', async line => {
@@ -531,2 +544,4 @@ line = StringTrim(line);
             });
+            debuglog('readline interface event handlers registered.');
+            rl.prompt();
         } catch (err) {
@@ -533,0 +548,0 @@ console.error('Internal REPL Error:');

No alert changes

Improved metrics

Total package byte prevSize

265429

increased by0.4%

Lines of code

3941

increased by0.41%

No dependency changes