bun-repl - npm Package Compare versions

Comparing version 2.0.9 to 2.1.0

package.json

 {
   "type": "module",
   "name": "bun-repl",
-  "version": "2.0.9",
+  "version": "2.1.0",
   "description": "Experimental REPL for Bun",
@@ -27,3 +27,3 @@ "main": "src/module/repl.ts",
   "dependencies": {
-    "@swc/core": "^1.3.68"
+    "@swc/core": "^1.3.90"
   },
@@ -30,0 +30,0 @@ "devDependencies": {

src/repl.ts

@@ -645,2 +645,3 @@ import { type JSC } from 'bun-devtools';
             else debuglog(`REPL history data loaded: (${history.lines.length} lines) ${history.path}`);
+            const sessionHistoryNoErrors: string[] = [];
             
@@ -766,9 +767,10 @@ if (!process.stdin.isTTY) {
             });
-            rl.on('line', async line => {
+            rl.on('line', async (line, { loadingFile = false } = {}) => {
                 line = StringTrim(line);
                 if (!line) return rl.prompt();
                 if (
-                    (line[0] === '.' && multiline.lines.length === 0 && !RegExpTest(/\d/, line[1]))
+                    !loadingFile && (line[0] === '.' && multiline.lines.length === 0 && !RegExpTest(/\d/, line[1]))
                 ) {
-                    switch (line) {
+                    const replCmd = StringPrototypeSplit(line, /\s+/g);
+                    switch (replCmd[0]) {
                         case '.help': {
@@ -780,2 +782,4 @@ console.log(
                                 `    .multiline    Toggle multi-line mode. ${$.gray}(${metaKey('M').trim()})${$.reset}\n` +
+                                `    .save         Save all successful commands evaluated in this REPL session to a file.\n` +
+                                `    .load         Load a file into the REPL session. ${$.yellow}(Experimental)${$.reset}\n` +
                                 `    .clear        Clear the screen. ${$.gray}(Ctrl+L)${$.reset}\n` +
@@ -805,2 +809,38 @@ `    .exit         Exit the REPL. ${$.gray}(Ctrl+C / Ctrl+D)${$.reset}\n` +
                         } break;
+                        case '.load': {
+                            const filepath = replCmd[1];
+                            if (!filepath) {
+                                console.log(`${$.red}Missing argument, usage: ${$.whiteBright}.load <filepath>${$.reset}`);
+                                break;
+                            }
+                            const resolved = pathresolve(filepath);
+                            try {
+                                const contents = readFileSync(resolved, 'utf8');
+                                console.warn(`${$.yellow+$.dim}[!] Loading files into the REPL is experimental and may not work as expected.${$.reset}`);
+                                rl.emit('line', contents, { loadingFile: true });
+                            } catch (e) {
+                                const err = e as Error;
+                                console.error(`Failed to load file ${$.cyan}${resolved}${$.red}: ${err.message ?? 'Unknown error'}${$.reset}`);
+                                if (IS_DEBUG) console.error(err);
+                                break;
+                            }
+                        } break;
+                        case '.save': {
+                            const filepath = replCmd[1];
+                            if (!filepath) {
+                                console.log(`${$.red}Missing argument, usage: ${$.whiteBright}.save <filepath>${$.reset}`);
+                                break;
+                            }
+                            const resolved = pathresolve(filepath);
+                            const contents = ArrayPrototypeJoin(sessionHistoryNoErrors, '\n');
+                            try {
+                                await write(resolved, contents);
+                            } catch (e) {
+                                const err = e as Error;
+                                console.error(`Failed to save REPL session to ${$.cyan}${resolved}${$.red}: ${err.message ?? 'Unknown error'}${$.reset}`);
+                                if (IS_DEBUG) console.error(err);
+                                break;
+                            }
+                            console.log(`Saved REPL session to: ${$.cyan}${resolved}${$.reset+$.dim} (${contents.length} chars)${$.reset}`);
+                        } break;
                         case '.clear': {
@@ -820,3 +860,3 @@ console.clear();
                 } else {
-                    if (multiline.enabled) {
+                    if (multiline.enabled && !loadingFile) {
                         if (line[line.length - 1] === '.') {
@@ -838,4 +878,7 @@ ArrayPush(multiline.lines, StringPrototypeSlice(line, 0, -1));
                     }
+                    const backupPrompt = rl.getPrompt();
+                    if (loadingFile) rl.setPrompt('');
                     let code: string = line;
                     try {
+                        if (RegExpTest(/^\s*{/, code) && !RegExpTest(/;\s*$/, code)) code = `(${code})`;
                         code = transpiler.preprocess(code);
@@ -873,4 +916,11 @@ code = transpiler.transpile(code);
                         if (extraInfo.errored) console.error(evaled);
-                        else console.log(evaled);
-                    } else if (!extraInfo.errored) console.log(evaled);
+                        else {
+                            console.log(evaled);
+                            ArrayPush(sessionHistoryNoErrors, line);
+                        }
+                    } else if (!extraInfo.errored) {
+                        console.log(evaled);
+                        ArrayPush(sessionHistoryNoErrors, line);
+                    }
+                    if (loadingFile) rl.setPrompt(backupPrompt);
                 }
@@ -877,0 +927,0 @@ rl.prompt();

No alert changes

Improved metrics

Total package byte prevSize

291275

increased by1.14%

Lines of code

4354

increased by1.16%

Dependency changes

• Updated@swc/core@^1.3.90