Updated the files.

my-app/node_modules/karma/lib/file.js

@@ -0,0 +1,49 @@
+'use strict'
+
+const path = require('path')
+
+/**
+ * File object used for tracking files in `file-list.js`.
+ */
+class File {
+  constructor (path, mtime, doNotCache, type, isBinary, integrity) {
+    // used for serving (processed path, eg some/file.coffee -> some/file.coffee.js)
+    this.path = path
+
+    // original absolute path, id of the file
+    this.originalPath = path
+
+    // where the content is stored (processed)
+    this.contentPath = path
+
+    // encodings format {[encodingType]: encodedContent}
+    //   example: {gzip: <Buffer 1f 8b 08...>}
+    this.encodings = Object.create(null)
+
+    this.mtime = mtime
+    this.isUrl = false
+
+    this.doNotCache = doNotCache === undefined ? false : doNotCache
+
+    this.type = type
+
+    // Tri state: null means probe file for binary.
+    this.isBinary = isBinary === undefined ? null : isBinary
+
+    this.integrity = integrity
+  }
+
+  /**
+   * Detect type from the file extension.
+   * @returns {string} detected file type or empty string
+   */
+  detectType () {
+    return path.extname(this.path).slice(1)
+  }
+
+  toString () {
+    return this.path
+  }
+}
+
+module.exports = File