bun-repl - npm Package Compare versions

Comparing version 1.0.2 to 1.0.3

.eslintrc.json

@@ -66,3 +66,5 @@ {
         "@typescript-eslint/unbound-method": "off",
+        "@typescript-eslint/no-explicit-any": "off",
         "@typescript-eslint/no-non-null-assertion": "off",
+        "@typescript-eslint/prefer-namespace-keyword": "off",
         "@typescript-eslint/adjacent-overload-signatures": "off",
@@ -69,0 +71,0 @@ "@typescript-eslint/no-inferrable-types": ["warn", { "ignoreParameters": true, "ignoreProperties": true }],

package.json

 {
-    "type": "module",
-    "name": "bun-repl",
-    "version": "1.0.2",
-    "description": "Experimental unofficial REPL for Bun",
-    "main": "src/repl.ts",
-    "scripts": {
-        "start": "bun run src/repl.ts --",
-        "test": "bun run --silent check && bun run --silent start",
-        "deeptest": "bun run --silent lint && bun run --silent test",
-        "check": "bun tsc",
-        "lint": "bun eslint src/**/*.ts",
-        "lint-fix": "bun run --silent lint -- --fix"
-    },
-    "author": "jhmaster",
-    "license": "MIT",
-    "homepage": "https://www.npmjs.com/package/bun-repl",
-    "repository": {
-        "type": "git",
-        "url": "https://github.com/jhmaster2000/bun-repl.git"
-    },
-    "keywords": ["bun", "repl", "cli", "ts", "js"],
-    "dependencies": {
-        "@swc/core": "^1.2.224",
-        "pretty-ms": "^8.0.0"
-    },
-    "devDependencies": {
-        "@typescript-eslint/eslint-plugin": "^5.32.0",
-        "@typescript-eslint/parser": "^5.32.0",
-        "bun-types": "^0.1.5",
-        "eslint": "^8.21.0",
-        "eslint-plugin-unicorn": "^43.0.2",
-        "typescript": "^4.7.4"
-    },
-    "bin": {
-        "repl": "./bun-repl-cli.sh",
-        "bun-repl": "./bun-repl-cli2.sh"
-    }
-}
+  "type": "module",
+  "name": "bun-repl",
+  "version": "1.0.3",
+  "description": "Experimental unofficial REPL for Bun",
+  "main": "src/module/repl.ts",
+  "scripts": {
+    "start": "bun run src/repl.ts -- --",
+    "test": "bun run --silent check && bun run --silent start",
+    "deeptest": "bun run --silent lint && bun run --silent test",
+    "check": "bun tsc",
+    "lint": "bun eslint src/**/*.ts",
+    "lint-fix": "bun run --silent lint -- --fix"
+  },
+  "author": "jhmaster",
+  "license": "MIT",
+  "homepage": "https://github.com/jhmaster2000/bun-repl#readme",
+  "bugs": {
+    "url": "https://github.com/jhmaster2000/bun-repl/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/jhmaster2000/bun-repl.git"
+  },
+  "keywords": ["bun", "repl", "cli", "ts", "js"],
+  "dependencies": {
+    "@swc/core": "^1.2.224",
+    "pretty-ms": "^8.0.0"
+  },
+  "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^5.32.0",
+    "@typescript-eslint/parser": "^5.32.0",
+    "bun-types": "^0.1.5",
+    "eslint": "^8.21.0",
+    "eslint-plugin-unicorn": "^43.0.2",
+    "typescript": "^4.7.4"
+  },
+  "bin": {
+    "repl": "./bun-repl-cli.sh",
+    "bun-repl": "./bun-repl-cli2.sh"
+  }
+}

README.md

@@ -33,2 +33,3 @@ # bun-repl [![GitHub version][github-image]][github-url] [![GitHub code size in bytes][size-image]][github-url] [![license][license-image]][license-url]
 * Node.js REPL special underscore variables provided (`_` and `_error`)
+* Node.js `repl` module polyfill
 * Execution history (`↑` `↓`)
@@ -54,4 +55,2 @@ * REPL Commands (`.command`)
     * Reason: Usage of `eval()` which has its own lexical scope.
-* Some modules fail to resolve their imports within the REPL, such as `fs/promises`.
-    * Reason: Unknown...
 
@@ -58,0 +57,0 @@ [github-url]:https://github.com/jhmaster2000/bun-repl

src/extendglobals.ts

@@ -15,2 +15,9 @@ declare global {
 
+    interface BunError {
+        name: string;
+        message: string;
+        line: number;
+        column: number;
+    }
+
     interface ResolveError {
@@ -21,3 +28,3 @@ referrer?: string;
         specifier?: string;
-        importKind?: 'stmt';
+        importKind?: string;
         position?: number;
@@ -30,20 +37,37 @@ convertToType?: string;
     interface PackageJson {
-        type?: "module" | "commonjs",
-        name: string,
-        version: string,
-        description?: string,
-        main?: "src/repl.ts",
-        scripts?: Record<string, string>,
-        author?: string,
-        license?: string,
-        dependencies?: Record<string, string>,
-        devDependencies?: Record<string, string>,
+        type?: "module" | "commonjs";
+        name: string;
+        version: string;
+        description?: string;
+        main?: string;
+        author?: string;
+        license?: string;
+        homepage?: string;
+        scripts?: Record<string, string>;
+        dependencies?: Record<string, string>;
+        devDependencies?: Record<string, string>;
         bin?: Record<string, string>;
+        keywords?: string[];
+        bugs?: {
+            url: string;
+        }
+        repository?: {
+            type: string;
+            url: string;
+        }
     }
+
+    interface ImportMeta {
+        require: (moduleIdentifier: string) => unknown;
+    }
+    function require(moduleIdentifier: string): unknown;
 }
 
 ShadowRealm.prototype.execFile = async function (filepath) {
-    try { await this.importValue(filepath, ''); } catch { void 0; }
+    try { await this.importValue(filepath, ''); } catch (err) {
+        if ((<Error>err).message.trim() !== '%ShadowRealm%.importValue requires |exportName| to exist in the |specifier|')
+            throw err; // Unexpected error should not be suppressed.
+    }
 };
 
 export { };

src/repl.ts

 #!/usr/bin/env bun
 
+import './extendglobals';
+import $ from './colors';
 import swc from '@swc/core';
@@ -10,6 +12,5 @@ import util from 'util';
 import REPLHistory from './replhistory';
-import './extendglobals';
+import pkgjson from './pkgjson';
+import { debuglog, IS_DEBUG } from './debug';
 
-const pkgjson = await Bun.file(path.join(import.meta.dir, '..', 'package.json')).json() as PackageJson;
-
 const helpFlag = process.argv.includes('-h') || process.argv.includes('--help');
@@ -27,5 +28,24 @@ if (helpFlag) {
 
-const IS_DEBUG = process.argv.includes('--debug');
-const debuglog = IS_DEBUG ? console.debug : () => void 0;
+interface PartialNPMResponse {
+    'dist-tags': {
+        latest: string
+    }
+}
 
+if (process.argv.includes('--update')) {
+    console.log(`${$.dim}Checking for updates...${$.reset}`);
+    const res: PartialNPMResponse = await (await fetch('https://registry.npmjs.org/bun-repl', {
+        headers: { Accept: 'application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8, */*' }
+    })).json();
+    const { latest } = res['dist-tags'];
+    if (pkgjson.version === latest) {
+        console.log(`${$.gray}No updates found. You are already on the latest version of bun-repl (${$.greenBright+latest+$.gray})${$.reset}`);
+        process.exit(0);
+    } else {
+        console.log(`${$.whiteBright}Updates found: ${$.yellow+$.bold+pkgjson.version+$.whiteBright} -> ${$.greenBright+latest+$.reset}
+${$.whiteBright}Run "${$.cyanBright}bun add -g bun-repl${$.whiteBright}" to update.${$.reset}`);
+        process.exit(0);
+    }
+}
+
 const realm = new ShadowRealm();
@@ -41,2 +61,3 @@ // Inject realm globals
 Type ".help" for more information.`);
+debuglog(`${$.dim}INFO: Debug mode enabled.${$.reset}`);
 
@@ -71,3 +92,3 @@ MainLoop: for (;;) {
     let transpiled: string = transpiler.preAdjust(userInput);
-    debuglog('preAdjust:', transpiled.trim());
+    debuglog($.dim+'preprocess:', transpiled.trim()+$.reset);
     try {
@@ -80,15 +101,30 @@ transpiled = transpiler.transpile(transpiled);
     }
-    debuglog('transpile:', transpiled.trim());
+    debuglog($.dim+'transpile:', transpiled.trim()+$.reset);
     transpiled = transpiler.postAdjust(transpiled);
-    debuglog('postAdjust:', transpiled.trim());
-    const evalIn = util.inspect(transpiled);
-    realm.evaluate(`
-    let $__SHADOWREALM_EVAL_RETURN_VALUE__;
+    debuglog($.dim+'postprocess:', transpiled.trim()+$.reset);
+
     try {
-        $__SHADOWREALM_EVAL_RETURN_VALUE__ = eval(${evalIn});
+        const evalIn = util.inspect(transpiled);
+        realm.evaluate(`//'use strict'; (Strict mode currently causes issues that need fixing)
+        let $__SHADOWREALM_EVAL_RETURN_VALUE__ = [];
+        try {
+            $__SHADOWREALM_EVAL_RETURN_VALUE__[0] = (async function*() {}).constructor['@@REPLGlobal'].eval(${evalIn});
+        } catch (error) {
+            $__SHADOWREALM_EVAL_RETURN_VALUE__[0] = _error = error;
+            $__SHADOWREALM_EVAL_RETURN_VALUE__[1] = true; // isError
+        }
+        if (!$__SHADOWREALM_EVAL_RETURN_VALUE__[1]) _ = $__SHADOWREALM_EVAL_RETURN_VALUE__[0];
+        const REPLGlobal = (async function*(){}).constructor['@@REPLGlobal'];
+        const [val, err] = REPLGlobal.format($__SHADOWREALM_EVAL_RETURN_VALUE__[0], $__SHADOWREALM_EVAL_RETURN_VALUE__[1]);
+        if (err) {
+            REPLGlobal.console.error('Fatal REPL Formatting Error:');
+            REPLGlobal.console.error(err);
+            REPLGlobal.console.error('This is most likely a bug, please report it at ${pkgjson.bugs?.url ?? 'the project\'s GitHub repository'}');
+        } else REPLGlobal.console.log(val);
+        `);
     } catch (error) {
-        $__SHADOWREALM_EVAL_RETURN_VALUE__ = _error = error;
+        console.error('Fatal REPL Evaluation Error:');
+        console.error(error);
+        console.error(`This is most likely a bug, please report it at ${pkgjson.bugs?.url ?? 'the project\'s GitHub repository'}`);
     }
-    if ($__SHADOWREALM_EVAL_RETURN_VALUE__ !== _error) _ = $__SHADOWREALM_EVAL_RETURN_VALUE__;
-    globalThis['@@replFmt']($__SHADOWREALM_EVAL_RETURN_VALUE__);`);
 }
@@ -112,2 +148,3 @@
     -v, --version  = Show installed bun-repl version.
+    --update       = Check for bun-repl updates.
     --debug        = Print debug information while running.
@@ -122,2 +159,3 @@
     Installed at: ${path.join(import.meta.dir, '..')}
+    Bun version: ${process.version}
     SWC version: ${swc.version as string}
@@ -124,0 +162,0 @@ Color mode: ${Bun.enableANSIColors}

src/swcrc.ts

@@ -31,3 +31,3 @@ import swc from '@swc/core';
                 globals: { vars: {
-                    $__SHADOWREALM_EVAL_RETURN_VALUE__: '$__SHADOWREALM_EVAL_RETURN_VALUE___'
+                    repl: '(async function*() {}).constructor["@@REPLGlobal"].REPL'
                 } }
@@ -34,0 +34,0 @@ }

src/transpiler.ts

@@ -36,3 +36,3 @@ import swc from '@swc/core';
                         const match = variable.match(/[^ \n\t]+[ \n\t]+as[ \n\t]+([^ \n\t]+)/);
-                        str += `void ${match ? match[1] : variable}`;
+                        str += `void ${match ? match[1] : variable};`;
                     });
@@ -53,7 +53,21 @@ return str;
                     if (info.varname) str += `var ${info.varname} = ${requireVar};`;
-                    if (info.destructuredVars) info.destructuredVars.forEach(variable => {
-                        const match = variable.match(/([^ \n\t]+)[ \n\t]+as[ \n\t]+([^ \n\t]+)/);
-                        if (match) str += `var ${match[2]} = ${requireVar}.${match[1]};`;
-                        else str += `var ${variable} = ${requireVar}.${variable};`;
-                    });
+                    if (info.destructuredVars) {
+                        let ifstr = 'if(!(';
+                        let delstr = ')){';
+                        info.destructuredVars.forEach(variable => {
+                            let exportStr = variable;
+                            const match = variable.match(/([^ \n\t]+)[ \n\t]+as[ \n\t]+([^ \n\t]+)/);
+                            if (match) {
+                                variable = match[2];
+                                exportStr = match[1];
+                                str += `var { ${exportStr}: ${variable} } = ${requireVar};`;
+                            } else str += `var { ${variable} } = ${requireVar};`;
+                            ifstr += `((async function*(){}).constructor['@@REPLGlobal'].temp.$v="${exportStr}") in ${requireVar}&&`;
+                            delstr += `delete (async function*(){}).constructor['@@REPLGlobal'].global["${variable}"];`;
+                        });
+                        const errmsg = `The requested module '${requireStr}' does not provide an export named '\${(async function*(){}).constructor['@@REPLGlobal'].temp.$v}'`;
+                        delstr += `throw new (async function*(){}).constructor['@@REPLGlobal'].Error(\`${errmsg}\`);};`;
+                        ifstr = ifstr.slice(0, -2);
+                        str += ifstr + delstr;
+                    }
                     return str + '\n';
@@ -60,0 +74,0 @@ });

Fixed alerts

No bug tracker

Maintenance

Package does not have a linked bug tracker in package.json.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

105927

increased by15.48%

Number of package files

20

increased by33.33%

Lines of code

827

increased by63.44%

Number of low maintenance alerts

0

decreased by-100%

Worsened metrics

Number of lines in readme file

60

decreased by-1.64%

No dependency changes