Component governance updates (#3011)

* Replaces angular2-template-loader

Uses a local template loader without vulnerable dependencies.

* Updates @babel/traverse to  7.23.6

Author: gingi

desktop/config/angular-template-loader.js

@@ -0,0 +1,38 @@
+/**
+ * Replacement for [angular2-template-loader](https://npmjs.org/package/angular2-template-loader) without `loader-utils`.
+ */
+
+const templateUrlRegex = /templateUrl\s*:(\s*['"`](.*?)['"`]\s*([,}]))/gm;
+const stylesRegex = /styleUrls *:(\s*\[[^\]]*?\])/g;
+const stringRegex = /(['`"])((?:[^\\]\\\1|.)*?)\1/g;
+
+function replaceStringsWithRequires(string) {
+    return string.replace(stringRegex, function (match, quote, url) {
+        if (url.charAt(0) !== ".") {
+            url = "./" + url;
+        }
+        return "require('" + url + "')";
+    });
+}
+
+module.exports = function (source, sourcemap) {
+    this.cacheable && this.cacheable();
+
+    const newSource = source
+        .replace(templateUrlRegex, function (match, url) {
+            // replace: templateUrl: './path/to/template.html'
+            // with: template: require('./path/to/template.html')
+            return "template:" + replaceStringsWithRequires(url);
+        })
+        .replace(stylesRegex, function (match, urls) {
+            // replace: stylesUrl: ['./foo.css', "./baz.css", "./index.component.css"]
+            // with: styles: [require('./foo.css'), require("./baz.css"), require("./index.component.css")]
+            return "styles:" + replaceStringsWithRequires(urls);
+        });
+
+    if (this.callback) {
+        this.callback(null, newSource, sourcemap);
+    } else {
+        return newSource;
+    }
+};

desktop/config/webpack.config.test.js

@@ -1,6 +1,5 @@
 const config = require("./webpack.config.base");
 const { commonRules, defineEnv } = require("./webpack.common");
-const ForkTsCheckerWebpackPlugin = require("fork-ts-checker-webpack-plugin");
 const ENV = "test";
 
 // We need to remove the app entry from the default config as this is defined in karma
@@ -11,7 +10,6 @@ config.devtool = "inline-source-map";
 // Karma webpack doesn't support CommonChunkPlugin yet https://github.com/webpack-contrib/karma-webpack/issues/24
 config.plugins = [
     defineEnv(ENV),
-    new ForkTsCheckerWebpackPlugin(),
 ];
 config.module.rules = config.module.rules = [
     {
@@ -24,7 +22,7 @@ config.module.rules = config.module.rules = [
                     transpileOnly: true
                 },
             },
-            "angular2-template-loader",
+            require.resolve("./angular-template-loader"),
         ],
         exclude: [/node_modules/, /\.node\.spec\.ts/],  // node.spec.ts are to be run in node environment
     },