build: create docs test npm scripts (#519)

Author: JustinBeckwith

.kokoro/docs.sh

@@ -22,12 +22,4 @@ cd $(dirname $0)/..
 
 npm install
 
-npm run docs
-
-# Check broken links
-BIN=./node_modules/.bin
-
-npm install broken-link-checker
-npm install http-server
-$BIN/http-server -p 8080 docs/ &
-$BIN/blc http://localhost:8080 -r --exclude www.googleapis.com
+npm run docs-test

package.json

@@ -48,7 +48,9 @@
     "proto": "npm run proto:spanner && npm run proto:spanner_instance_admin && npm run proto:spanner_database_admin",
     "proto:spanner": "mkdir -p proto && pbjs -t static-module -w commonjs -p node_modules/google-proto-files google/spanner/v1/spanner.proto | pbts -o proto/spanner.d.ts -",
     "proto:spanner_instance_admin": "pbjs -t static-module -w commonjs -p node_modules/google-proto-files google/spanner/admin/instance/v1/spanner_instance_admin.proto | pbts -o proto/spanner_instance_admin.d.ts -",
-    "proto:spanner_database_admin": "pbjs -t static-module -w commonjs -p node_modules/google-proto-files google/spanner/admin/database/v1/spanner_database_admin.proto | pbts -o proto/spanner_database_admin.d.ts -"
+    "proto:spanner_database_admin": "pbjs -t static-module -w commonjs -p node_modules/google-proto-files google/spanner/admin/database/v1/spanner_database_admin.proto | pbts -o proto/spanner_database_admin.d.ts -",
+    "docs-test": "blcl docs -r --exclude www.googleapis.com",
+    "predocs-test": "npm run docs"
   },
   "dependencies": {
     "@google-cloud/common-grpc": "^0.10.0",
@@ -115,6 +117,7 @@
     "time-span": "^2.0.0",
     "typescript": "~3.3.0",
     "uuid": "^3.3.2",
-    "yargs": "^12.0.1"
+    "yargs": "^12.0.1",
+    "broken-link-checker-local": "^0.2.0"
   }
 }