typescript-require - npm Package Compare versions

Comparing version 0.1.7 to 0.2.0

index.js

@@ -0,109 +1,53 @@
+var os = require('os');
+var vm = require('vm');
 var fs = require('fs');
 var path = require('path');
 
-var io = require("./io");
+var tsc = require.resolve("typescript").replace(/typescript\.js$/, "tsc.js");
+var tscScript = vm.createScript('(function() { ' + fs.readFileSync(tsc, "utf8") + '})();', tsc);
 
-var tsTempFile = null;
-['TMPDIR', 'TMP', 'TEMP'].forEach(function(td) {
-    if(!tsTempFile && process.env[td]) tsTempFile = process.env[td];
-});
-tsTempFile = path.join((tsTempFile || "/tmp"), "typescript-require-" + Date.now() + ".js");
-
-var contents = ["(function() {", fs.readFileSync(require.resolve("typescript"), "utf8"), "module.exports = TypeScript;", "}).call({});"].join("");
-
-fs.writeFileSync(tsTempFile, contents, "utf8");
-
-var TypeScript = module.exports.TypeScript = require(tsTempFile);
-TypeScript.moduleGenTarget = TypeScript.ModuleGenTarget.Synchronous;
-
-fs.unlinkSync(tsTempFile);
-
-
-//setting up the compiler
-var settings = new TypeScript.CompilationSettings();
-settings.codeGenTarget = TypeScript.CodeGenTarget.ES5;
-settings.moduleGenTarget = TypeScript.ModuleGenTarget.Synchronous;
-settings.resolve = true;
-
-var env = new TypeScript.CompilationEnvironment(settings, io);
-
 require.extensions['.ts'] = function(module) {
-    
-    var js = '';
-    var output = {
-        Write: function(value) {
-            js += value;
-        },
-        WriteLine: function(value) {
-            js += value + "\n";
-        },
-        Close: function() {}
-    };
+  var exitCode = 0;
+  var tmpDir = path.join(os.tmpDir(), "tsreq_" + Math.floor(Math.random() * 0xFFFFFFFF));
 
-    var nulloutput = {
-        Write: function(value) {},
-        WriteLine: function(value) {},
-        Close: function() {}
-    };
-    var compiler = new TypeScript.TypeScriptCompiler(null, new TypeScript.NullLogger(), settings);
-    compiler.parser.errorRecovery = true;
-    var units = [{
-        fileName: path.join(__dirname, "./typings/lib.d.ts")
-    }];
+  var proc = merge(merge({}, process), {
+    argv: [
+      "node",
+      "tsc.js",
+      "--nolib",
+      "--target",
+      "ES5",
+      "--out",
+      tmpDir,
+      path.resolve(__dirname, "typings/lib.d.ts"),
+      path.resolve(__dirname, "typings/node.d.ts"),
+      module.filename
+    ],
+    exit: function(code) {
+      exitCode = code;
+    }
+  });
 
-    var moduleFilename = TypeScript.switchToForwardSlashes(module.filename);
+  var sandbox = {
+    process: proc,
+    require: require
+  };
 
-    var resolver = new TypeScript.CodeResolver(env);
+  tscScript.runInNewContext(sandbox);
 
-    resolver.resolveCode(moduleFilename, "", false, {
-        postResolution: function(file, code) {
-            if(!units.some(function(u) {
-                return u.fileName == code.path
-            })) units.push({
-                fileName: code.path,
-                code: code.content
-            });
-        },
-        postResolutionError: function(file, message) {
-            throw new Error('TypeScript Error: ' + message + '\n File: ' + file);
-        }
-    });
-    
-    var isErrorPrinted = false;
+  if (exitCode != 0) {
+    return null;
+  }
 
-    compiler.setErrorCallback(function(start, len, message, block) {
+  var jsname = path.join(tmpDir, path.basename(module.filename, ".ts") + ".js");
+  module._compile(fs.readFileSync(jsname, 'utf8'), jsname);
+};
 
-        if(isErrorPrinted == false && units[block].fileName == moduleFilename) {
-            var code = units[block].code;
-            var cursor = code.substr(0, start).split('\n');
-            var line = [
-            cursor.slice(-1)[0].replace(/^\s+/, ""), code.substr(start, len), code.substr(start + len).split('\n').slice(0, 1)[0].replace(/\s+$/, "")];
-
-            var underline = [
-            line[0].replace(/./g, '-'), line[1].replace(/./g, '^'), line[2].replace(/./g, '-'), ];
-
-            var error = new Error('TypeScript Error: ' + message);
-            error.stack = ['TypeScript Error: ' + message, 'File: ' + units[block].fileName, '', 'Line '+cursor.length +': '+ line.join(""), '------' + underline.join("")].join('\n');
-
-            console.error('\n' + error.stack);
-
-            isErrorPrinted = true;
+function merge(a, b) {
+    if (a && b) {
+        for (var key in b) {
+            a[key] = b[key];
         }
-    });
-
-    units.forEach(function(u) {
-        if(!u.code) u.code = fs.readFileSync(u.fileName, "utf8");
-
-        compiler.addUnit(u.code, u.fileName, false);
-    });
-
-    compiler.typeCheck();
-
-    compiler.emit(function(fn) {
-        count = 0;
-        if(fn == moduleFilename.replace(/\.ts$/, ".js")) return output;
-        else return nulloutput;
-    });
-
-    module._compile(js, moduleFilename);
-};
+    }
+    return a;
+};

package.json

@@ -9,3 +9,3 @@ {
   },
-  "version": "0.1.7",
+  "version": "0.2.0",
   "main": "./index.js",
@@ -17,3 +17,3 @@ "repository": {
   "dependencies": {
-    "typescript": ">= 0.8.1-1"
+    "typescript": ">= 0.8.2"
   },
@@ -20,0 +20,0 @@ "keywords": ["typescript", "require"],

sample/funcs.ts

@@ -1,2 +0,1 @@
-///<reference path='node.d.ts'/>
 import tsmodule = module("tsmodule");
@@ -3,0 +2,0 @@ var jsmodule = require("./jsmodule.js");

New alerts

Debug access

Supply chain risk

Uses debug, reflection and dynamic code execution features.

Found 1 instance in 1 package

Dynamic require

Supply chain risk

Dynamic require can indicate the package is performing dangerous or unsafe dynamic code execution.

Found 1 instance in 1 package

Fixed alerts

Debug access

Supply chain risk

Uses debug, reflection and dynamic code execution features.

Found 1 instance in 1 package

Dynamic require

Supply chain risk

Dynamic require can indicate the package is performing dangerous or unsafe dynamic code execution.

Found 1 instance in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

304335

increased by6.25%

Lines of code

8576

increased by3.13%

Number of low supply chain risk alerts

3

decreased by-50%

Worsened metrics

Number of package files

9

decreased by-10%

Dependency changes

• Updatedtypescript@>= 0.8.2