Refactor scripts (#2465)

* Refactor all kinds of scripts

* Update docs to ensure linter passes

scripts/update-docs.js

@@ -0,0 +1,39 @@
+#!/usr/bin/env node
+/* eslint-disable no-process-exit */
+"use strict"
+
+// This is my temporary hack to simplify deployment until I fix the underlying
+// problems in these bugs:
+// - https://github.com/MithrilJS/mithril.js/issues/2417
+// - https://github.com/MithrilJS/mithril.js/pull/2422
+
+const path = require("path")
+const {execFileSync} = require("child_process")
+const ghPages = require("gh-pages")
+const upstream = require("./_upstream")
+const generate = require("./generate-docs")
+
+require("./_command")(module, () => update())
+module.exports = update
+
+async function update() {
+	await generate()
+	const commit = execFileSync("git", ["rev-parse", "--verify", "HEAD"], {
+		windowsHide: true,
+		stdio: "inherit",
+		encoding: "utf-8",
+	})
+
+	await ghPages.publish(path.resolve(__dirname, "../dist"), {
+		// Note: once this is running on Travis again, run
+		// `git remote add upstream git@github.com:MithrilJS/mithril.js.git` to
+		// force it to go over SSH so the saved keys are used.
+		// https://github.com/tschaub/gh-pages/issues/160
+		repo: upstream.push.repo,
+		remote: upstream.push.branch,
+		src: ["**/*", ".nojekyll"],
+		message: `Generated docs for commit ${commit} [skip ci]`,
+		// May want to enable this if an API token resolves the issue.
+		// silent: !!process.env.TRAVIS_CI,
+	})
+}