adding some checks to prevent improper releases

Author: okwolf

package.json

@@ -32,7 +32,7 @@
     "check": "npm run format:check && npm run lint && npm t",
     "build": "npm run check && npm run bundle && npm run minify",
     "prepare": "npm run build",
-    "release": "npm run clean && npm i && git commit -am $npm_package_version && git tag $npm_package_version && git push && git push --tags && npm publish"
+    "release": "./pre-flight-tests && npm run clean && npm i && git tag $npm_package_version && git push && git push --tags && npm publish"
   },
   "prettier": {
     "semi": false

pre-flight-tests

@@ -0,0 +1,15 @@
+#!/usr/bin/env node
+
+// eslint-disable-next-line no-undef
+const { execSync } = require("child_process")
+const exec = command => execSync(command, { encoding: "utf8" })
+
+const gitBranchName = exec("git rev-parse --abbrev-ref HEAD")
+if (gitBranchName.trim() !== "master") {
+  throw new Error("please checkout the master branch to make a release!")
+}
+
+const workingCopyChanges = exec("git status --porcelain")
+if (workingCopyChanges.trim() !== "") {
+  throw new Error("please commit your changes before making a release!")
+}