Update to latest monaco webpack plugin (compiler-explorer#1836)

* Update to latest monaco webpack plugin to get content hashes on worker script path
* Move to Monaco built-in Pascal mode

Co-authored-by: Rubén Rincón Blanco <ruben@rinconblanco.es>

Author: apmorton

app.js

@@ -572,6 +572,11 @@ async function main() {
      * fabricate a worker on the fly.
      *
      * This is bad and I feel bad.
+     *
+     * This should no longer be needed, but is left here for safety because people with
+     * workers already installed from this url may still try to hit this page for some time
+     *
+     * TODO: remove this route in the future now that it is not needed
      */
     router.get('/workers/:worker', (req, res) => {
         staticHeaders(res);

package-lock.json

@@ -42,8 +42,8 @@
     "lru-cache": "^4.1.3",
     "lz-string": "^1.4.4",
     "mkdirp": "^0.5.1",
-    "monaco-editor": "^0.15.6",
-    "monaco-vim": "0.1.3",
+    "monaco-editor": "^0.19.3",
+    "monaco-vim": "^0.1.6",
     "morgan": "^1.9.1",
     "node-graceful": "^2.0.1",
     "node-targz": "^0.2.0",
@@ -85,7 +85,7 @@
     "mini-css-extract-plugin": "^0.7.0",
     "mocha": "^5.2.0",
     "mock-fs": "^4.10.2",
-    "monaco-editor-webpack-plugin": "^1.7.0",
+    "monaco-editor-webpack-plugin": "^1.8.2",
     "nock": "^9.1.4",
     "nyc": "^14.1.1",
     "requirejs": "2.3.6",

package.json

@@ -36,7 +36,4 @@ for (var k in extraOptions) {
 
 __webpack_public_path__ = window.staticRoot;
 
-// really gross monaco web worker cross origin workaround
-window.__webpack_public_path__ = window.httpRoot + 'workers/';
-
 module.exports = window.compilerExplorerOptions;

static/modes/pascal-mode.js

@@ -41,7 +41,6 @@ require('../modes/llvm-ir-mode');
 require('../modes/haskell-mode');
 require('../modes/ocaml-mode');
 require('../modes/clean-mode');
-require('../modes/pascal-mode');
 require('../modes/cuda-mode');
 require('../modes/fortran-mode');
 require('../modes/zig-mode');

static/options.js

@@ -13,7 +13,8 @@ const staticPath = path.join(distPath, 'static');
 
 let plugins = [
     new MonacoEditorWebpackPlugin({
-        languages: ['cpp', 'go', 'rust', 'swift']
+        languages: ['cpp', 'go', 'rust', 'swift', 'pascal'],
+        filename: isDev ? '[name].worker.js' : '[name].worker.[contenthash].js'
     }),
     new CopyWebpackPlugin([
         {