feat(repo): create local registry scripts

CONTRIBUTING.md

@@ -42,6 +42,25 @@ To build all the packages, run:
 yarn build
 ```
 
+## Publishing to a local registry
+
+To test if your changes will actually work once the changes are published,
+it can be useful to publish to a local registry.
+
+Here are some useful commands for doing so:
+
+```bash
+# Starts the local registry. Keep this running in a separate terminal.
+yarn local-registry start
+
+# Set npm and yarn to use the local registry.
+# Note: This reroutes your installs to your local registry
+yarn local-registry enable
+
+# Revert npm and yarn to use their default registries
+yarn local-registry disable
+```
+
 ### Running Unit Tests
 
 To make sure your changes do not break any unit tests, run the following:

package.json

@@ -23,6 +23,7 @@
     "checkformat": "./scripts/check_format.sh",
     "checkimports": "node ./scripts/check-imports.js",
     "checkversions": "ts-node ./scripts/check-versions.ts",
+    "local-registry": "./scripts/local-registry.sh",
     "documentation": "./scripts/documentation/documentation.sh && ./scripts/documentation/check-documentation.sh"
   },
   "devDependencies": {
@@ -218,6 +219,7 @@
     "tslint": "5.11.0",
     "typescript": "~3.7.4",
     "url-loader": "^2.2.0",
+    "verdaccio": "^4.4.2",
     "webpack": "4.41.2",
     "webpack-dev-middleware": "3.7.0",
     "webpack-dev-server": "3.9.0",

scripts/local-registry.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+ENABLE=$1
+
+if [[ $ENABLE == "enable" ]]; then
+	echo "Setting registry to local registry"
+	echo "To Disable: yarn local-registry disable"
+	npm config set registry http://localhost:4873/
+	yarn config set registry http://localhost:4873/
+fi
+
+if [[ $ENABLE == "disable" ]]; then
+	npm config delete registry
+	yarn config delete registry
+	CURRENT_NPM_REGISTRY=`npm config get registry`
+	CURRENT_YARN_REGISTRY=`yarn config get registry`
+
+	echo "Reverting registries"
+	echo "  > NPM:  $CURRENT_NPM_REGISTRY"
+	echo "  > YARN: $CURRENT_YARN_REIGSTRY"
+fi
+
+if [[ $ENABLE == "start" ]]; then
+  echo "Starting Local Registry"
+  npx verdaccio
+fi