fix: fix CLI crash + build it on travis

Author: RomanHotsiy

.travis.yml

@@ -12,7 +12,7 @@ env:
 addons:
   chrome: stable
 cache: yarn
-before_script: npm run bundle
+before_script: npm run bundle && npm run compile:cli
 deploy:
   - provider: npm
     skip_cleanup: true

package.json

@@ -3,7 +3,7 @@
   "version": "2.0.0-alpha.13",
   "description": "ReDoc",
   "main": "bundles/redoc.lib.js",
-  "bin": "bin/cli",
+  "bin": "bin/cli.js",
   "scripts": {
     "start": "webpack-dev-server --hot",
     "start:benchmark": "webpack-dev-server --env.prod --env.perf",

src/utils/dom.ts

@@ -26,7 +26,7 @@ export function html2Str(html: string): string {
 
 // scrollIntoViewIfNeeded polyfill
 
-if (!(Element as any).prototype.scrollIntoViewIfNeeded) {
+if (typeof Element !== 'undefined' && !(Element as any).prototype.scrollIntoViewIfNeeded) {
   (Element as any).prototype.scrollIntoViewIfNeeded = function(centerIfNeeded) {
     centerIfNeeded = arguments.length === 0 ? true : !!centerIfNeeded;