fix(concatjs): update karma to 6.3.2 and fix bazelbuild#2093

package.json

@@ -54,12 +54,12 @@
         "jest": "~25.3.0",
         "jest-cli": "~25.3.0",
         "jest-websocket-mock": "~2.0.2",
-        "karma": "~4.1.0",
-        "karma-chrome-launcher": "2.2.0",
-        "karma-firefox-launcher": "1.1.0",
-        "karma-jasmine": "2.0.1",
+        "karma": "~6.3.2",
+        "karma-chrome-launcher": "3.1.0",
+        "karma-firefox-launcher": "2.1.0",
+        "karma-jasmine": "4.0.1",
         "karma-requirejs": "1.1.0",
-        "karma-sourcemap-loader": "0.3.7",
+        "karma-sourcemap-loader": "0.3.8",
         "lit-element": "^2.2.1",
         "minimist": "^1.2.3",
         "mock-socket": "~9.0.3",

packages/concatjs/BUILD.bazel

@@ -30,7 +30,10 @@ ts_project(
             "types": ["node"],
         },
     },
-    deps = ["@npm//@types/node"],
+    deps = [
+        "@npm//@types/node",
+        "@npm//karma",
+    ],
 )
 
 js_library(

packages/concatjs/index.ts

@@ -4,6 +4,7 @@
  */
 import * as crypto from 'crypto';
 import * as fs from 'fs';
+import * as File from 'karma/lib/file';
 import * as path from 'path';
 import * as process from 'process';
 import {createInterface} from 'readline';
@@ -29,13 +30,8 @@ function initConcatJs(logger, emitter, basePath, hostname, port) {
       path.join(process.env['TEST_TMPDIR'], crypto.randomBytes(6).readUIntLE(0, 6).toString(36));
 
   emitter.on('file_list_modified', files => {
-    const bundleFile = {
-      path: '/concatjs_bundle.js',
-      contentPath: tmpFile,
-      isUrl: false,
-      content: '',
-      encodings: {},
-    } as any;
+    const bundleFile = new File('/concatjs_bundle.js') as any;
+    bundleFile.contentPath = tmpFile;
     // Preserve all non-JS that were there in the included list.
     const included = files.included.filter(f => path.extname(f.originalPath) !== '.js');
     const bundledFiles =