Remove CoffeeScript support

Author: jhnns

README.md

@@ -233,13 +233,6 @@ See [rewire-webpack](https://github.com/jhnns/rewire-webpack)
 
 <br />
 
-CoffeeScript
-------------
-
-Good news to all caffeine-addicts: rewire works also with [Coffee-Script](http://coffeescript.org/). Note that in this case you need to install the `coffeescript` package.
-
-<br />
-
 ## License
 
 MIT

lib/moduleEnv.js

@@ -3,9 +3,7 @@
 // TODO: Use https://www.npmjs.com/package/pirates here?
 
 var Module = require("module"),
-    fs = require("fs"),
-    eslint = require("eslint"),
-    coffee;
+    eslint = require("eslint");
 
 var moduleWrapper0 = Module.wrapper[0],
     moduleWrapper1 = Module.wrapper[1],
@@ -85,20 +83,15 @@ function requireProxy(path) {
 function registerExtensions() {
     var originalJsExtension = require.extensions[".js"];
     var originalTsExtension = require.extensions[".ts"];
-    var originalCoffeeExtension = require.extensions[".coffee"];
 
     if (originalJsExtension) {
         originalExtensions.js = originalJsExtension;
     }
     if (originalTsExtension) {
         originalExtensions.ts = originalTsExtension;
     }
-    if (originalCoffeeExtension) {
-        originalExtensions.coffee = originalCoffeeExtension;
-    }
     require.extensions[".js"] = jsExtension;
     require.extensions[".ts"] = tsExtension;
-    require.extensions[".coffee"] = coffeeExtension;
 }
 
 function restoreExtensions() {
@@ -108,9 +101,6 @@ function restoreExtensions() {
     if ("ts" in originalExtensions) {
         require.extensions[".ts"] = originalExtensions.ts;
     }
-    if ("coffee" in originalExtensions) {
-        require.extensions[".coffee"] = originalExtensions.coffee;
-    }
 }
 
 function isNoConstAssignMessage(message) {
@@ -170,44 +160,5 @@ function tsExtension(module, filename) {
     originalExtensions.ts(module, filename);
 }
 
-function coffeeExtension(module, filename) {
-    if (!coffee) {
-        throw new Error("Cannot rewire module written in CoffeeScript: Please install 'coffeescript' package first.");
-    }
-
-    var content = stripBOM(fs.readFileSync(filename, "utf8"));
-
-    restoreExtensions();
-    content = coffee.compile(content, {
-        filename: filename,
-        bare: true
-    });
-    module._compile(content, filename);
-}
-
-/**
- * @see https://github.com/joyent/node/blob/master/lib/module.js
- */
-function stripBOM(content) {
-    // Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
-    // because the buffer-to-string conversion in `fs.readFileSync()`
-    // translates it to FEFF, the UTF-16 BOM.
-    if (content.charCodeAt(0) === 0xFEFF) {
-        content = content.slice(1);
-    }
-    return content;
-}
-
-try {
-    coffee = require("coffeescript");
-} catch (err) {
-    try {
-        // Trying to load deprecated package
-        coffee = require("coffee-script");
-    } catch (err) {
-        // We are not able to provide CoffeeScript support, but that's ok as long as the user doesn't want it.
-    }
-}
-
 exports.load = load;
 exports.inject = inject;

package-lock.json

@@ -31,7 +31,6 @@
   },
   "devDependencies": {
     "@types/node": "^17.0.35",
-    "coffeescript": "^2.1.1",
     "expect.js": "^0.3.1",
     "mocha": "^10.0.0",
     "nyc": "^15.1.0",

package.json

@@ -17,19 +17,7 @@ describe("rewire", function () {
         }
     });
     require("../testLib/sharedTestCases.js")();
-    it("should also work with CoffeeScript", function () {
-        var coffeeModule;
-
-        rewire = require("../");
-        coffeeModule = rewire("../testLib/module.coffee");
-        coffeeModule.__set__("fs", {
-            readFileSync: function () {
-                return "It works!";
-            }
-        });
-        expect(coffeeModule.readFileSync()).to.be("It works!");
-    });
-    it('should work with typescript', function () {
+    it("should work with TypeScript", function () {
         var tsModule;
         rewire = require("../");
         tsModule = rewire("../testLib/module.ts");