node-red/scripts/generate-publish-script.js

#!/usr/bin/env node

const path = require("path");
const fs = require("fs-extra");
const should = require("should");

const LATEST = "2";

function generateScript() {
    return new Promise((resolve, reject) => {
        const packages = [
            "node-red-util",
            "node-red-runtime",
            "node-red-registry",
            "node-red-nodes",
            "node-red-editor-client",
            "node-red-editor-api",
            "node-red"
        ];
        const rootPackage = require(path.join(__dirname,"..","package.json"));
        const version = rootPackage.version;

        const versionParts = version.split(".");
        let tagArg = "";
        if (versionParts[0] !== LATEST) {
            tagArg = `--tag v${versionParts[0]}-maintenance`
        } else if (/-/.test(version))  {
            tagArg = "--tag next"
        }

        const lines = [];

        packages.forEach(name => {
            lines.push(`npm publish ${name}-${version}.tgz ${tagArg}\n`);
        })
        resolve(lines.join(""))
    });
}

if (require.main === module) {
    generateScript().then(output => {
        console.log(output);
    });
} else {
    module.exports = generateScript;
}