It appears that the repository has undergone several changes and renamings:

backend/node_modules/brace-expansion/package.json

@@ -1,46 +0,0 @@
-{
-  "name": "brace-expansion",
-  "description": "Brace expansion as known from sh/bash",
-  "version": "2.0.1",
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/juliangruber/brace-expansion.git"
-  },
-  "homepage": "https://github.com/juliangruber/brace-expansion",
-  "main": "index.js",
-  "scripts": {
-    "test": "tape test/*.js",
-    "gentest": "bash test/generate.sh",
-    "bench": "matcha test/perf/bench.js"
-  },
-  "dependencies": {
-    "balanced-match": "^1.0.0"
-  },
-  "devDependencies": {
-    "@c4312/matcha": "^1.3.1",
-    "tape": "^4.6.0"
-  },
-  "keywords": [],
-  "author": {
-    "name": "Julian Gruber",
-    "email": "mail@juliangruber.com",
-    "url": "http://juliangruber.com"
-  },
-  "license": "MIT",
-  "testling": {
-    "files": "test/*.js",
-    "browsers": [
-      "ie/8..latest",
-      "firefox/20..latest",
-      "firefox/nightly",
-      "chrome/25..latest",
-      "chrome/canary",
-      "opera/12..latest",
-      "opera/next",
-      "safari/5.1..latest",
-      "ipad/6.0..latest",
-      "iphone/6.0..latest",
-      "android-browser/4.2..latest"
-    ]
-  }
-}