Add set-package-version script to bump all version numbers

scripts/set-package-version.js

@@ -0,0 +1,44 @@
+#!/usr/bin/env node
+
+const path = require("path");
+const fs = require("fs-extra");
+const should = require("should");
+
+const rootPackage = path.join(__dirname,"..","package.json");
+const packages = [
+    "node-red",
+    "@node-red/editor-api",
+    "@node-red/editor-client",
+    "@node-red/nodes",
+    "@node-red/registry",
+    "@node-red/runtime",
+    "@node-red/util"
+];
+function updatePackage(packageFile, version) {
+    let modulePackage = require(packageFile);
+    modulePackage.version = version;
+    let dependencies = Object.keys(modulePackage.dependencies||{});
+    dependencies.forEach(module => {
+        if (/^@node-red\//.test(module)) {
+            modulePackage.dependencies[module] = version;
+        }
+    });
+    return fs.writeJSON(packageFile,modulePackage,{spaces:4});
+}
+
+const targetVersion = process.argv[2];
+
+if (/^\d+\.\d+\.\d+(-.*)?/.test(targetVersion)) {
+    let promises = [];
+    promises.push(updatePackage(rootPackage,targetVersion));
+    packages.forEach(package => {
+        promises.push(updatePackage(path.join(__dirname,"../packages/node_modules",package,"package.json"),targetVersion))
+    });
+    Promise.all(promises).catch(e => {
+        console.log(e);
+        process.exit(1);
+    })
+} else {
+    console.log("Invalid target version");
+    process.exit(1);
+}