Introduce Release script (#4631)

scripts/release/steps/publish-to-npm.js

@@ -0,0 +1,36 @@
+"use strict";
+
+const chalk = require("chalk");
+const dedent = require("dedent");
+const { exec } = require("child-process-promise");
+const { logPromise, waitForEnter } = require("../utils");
+
+module.exports = async function({ dry, version }) {
+  if (dry) {
+    return;
+  }
+
+  await logPromise("Publishing to npm", exec("npm publish", { cwd: "./dist" }));
+
+  console.log(
+    dedent(chalk`
+      {green.bold Prettier ${version} published!}
+
+      {yellow.bold Some manual steps are necessary.}
+
+      {bold.underline Create a GitHub Release}
+      - Go to {cyan.underline https://github.com/prettier/prettier/releases/new?tag=${version}}
+      - Copy release notes from {yellow CHANGELOG.md}
+      - Attach all files in {yellow dist/} folder.
+      - Press {bgGreen.black  Publish release }
+
+      {bold.underline Test the new releae}
+      - In a new session, run {yellow npm i prettier@latest} in another directory
+      - Test the API and CLI
+
+      After that, we can proceed to bump this repo's Prettier dependency.
+      Press any key to continue.
+    `)
+  );
+  await waitForEnter();
+};