JS: Simplify helper usage to only one script (dependabot#988)

JS: Simplify helper usage with only one script

.gitignore

@@ -12,5 +12,3 @@ vendor
 /terraform/helpers/install-dir
 /go_modules/helpers/install-dir
 /npm_and_yarn/helpers/node_modules
-/npm_and_yarn/helpers/npm/node_modules
-/npm_and_yarn/helpers/yarn/node_modules

npm_and_yarn/.gitignore

@@ -3,6 +3,4 @@
 /tmp
 /dependabot-*.gem
 /helpers/node_modules
-/helpers/npm/node_modules
-/helpers/yarn/node_modules
 Gemfile.lock

npm_and_yarn/helpers/.eslintrc

@@ -9,6 +9,6 @@
     "node": true
   },
   "parserOptions": {
-    "ecmaVersion": 8
+    "ecmaVersion": 9
   }
 }

npm_and_yarn/helpers/build

@@ -10,8 +10,9 @@ fi
 
 helpers_dir="$(dirname "${BASH_SOURCE[0]}")"
 cp -r \
-  "$helpers_dir/npm" \
-  "$helpers_dir/yarn" \
+  "$helpers_dir/lib" \
+  "$helpers_dir/test" \
+  "$helpers_dir/run.js" \
   "$helpers_dir/package.json" \
   "$helpers_dir/yarn.lock" \
   "$install_dir"

npm_and_yarn/helpers/npm/lib/index.js → npm_and_yarn/helpers/lib/npm/index.js

@@ -1,6 +1,6 @@
-const updater = require("../lib/updater");
-const peerDependencyChecker = require("../lib/peer-dependency-checker");
-const subdependencyUpdater = require("../lib/subdependency-updater");
+const updater = require("./updater");
+const peerDependencyChecker = require("./peer-dependency-checker");
+const subdependencyUpdater = require("./subdependency-updater");
 
 module.exports = {
   update: updater.updateDependencyFiles,

npm_and_yarn/helpers/lib/yarn/index.js

@@ -0,0 +1,11 @@
+const lockfileParser = require("./lockfile-parser");
+const updater = require("./updater");
+const subdependencyUpdater = require("./subdependency-updater");
+const peerDependencyChecker = require("./peer-dependency-checker");
+
+module.exports = {
+  parseLockfile: lockfileParser.parse,
+  update: updater.updateDependencyFiles,
+  updateSubdependency: subdependencyUpdater.updateDependencyFile,
+  checkPeerDependencies: peerDependencyChecker.checkPeerDependencies
+};