+#!/bin/bash
+
+# title: Node.js
+# homepage: https://nodejs.org
+# tagline: JavaScript V8 runtime
+# description: |
+# Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine
+# examples: |
+# ```bash
+# node -e 'console.log("Hello, World!")'
+# > Hello, World!
+# ```
+# <br/>
+# <br/>
+#
+# <table>
+# <tr>
+# <td>Run a webserver</td>
+# <td><pre><code class="language-bash">
+# mkdir my-server
+# pushd my-server
+# npm init
+# npm install --save express</code></pre>
+# <br/>
+# <code>app.js:</code>
+# <br/>
+# <pre><code class="language-javascript">'use strict'
+# var express = require('express');
+# var app = express();
+#
+# app.use('/', function (req, res, next) {
+# res.end("Hello, World!");
+# });
+#
+# module.exports = app;</code></pre>
+# <br/>
+# <code>server.js:</code>
+# <br/>
+# <pre><code class="language-javascript">'use strict'
+# var http = require('http');
+# var app = require('./app.js');
+# http.createServer(app).listen(8080, function () {
+# console.log('Listening on', this.address());
+# });</code></pre>
+# <br/>
+# <pre><code class="language-bash">npm start</code></pre>
+# </td>
+# </tr>
+# </table>
+
+set -e
+set -u
+
+##################
+# Install node #
+##################
+
+new_node_home="${HOME}/.local/opt/node-v${WEBI_VERSION}"
+new_node="${HOME}/.local/opt/node-v${WEBI_VERSION}/bin/node"
+
+# Test for existing version
+set +e
+cur_node="$(command -v node)"
+set -e
+if [ -e "$new_node_home/bin/node" ]; then
+ # node of some version is already installed
+ if [ "v${WEBI_VERSION}" == "$("$new_node_home/bin/node" -v 2>/dev/null)" ]; then
+ echo node v${WEBI_VERSION} already installed at $new_node_home
+ exit 0
+ fi
+fi
+if [ -n "$cur_node" ] && [ "$cur_node" != "$new_node" ]; then
+ echo "WARN: possible conflict with node v$WEBI_VERSION at $cur_node"
+fi
+
+# Note: this file is `source`d by the true installer and hence will have the webi functions
+
+# because we created releases.js we can use webi_download()
+# downloads node to ~/Downloads
+webi_download
+
+# because this is tar or zip, we can webi_extract()
+# extracts to the WEBI_TMP directory, raw (no --strip-prefix)
+webi_extract
+
+pushd "$WEBI_TMP" 2>&1 >/dev/null
+ echo Installing node v${WEBI_VERSION} as "$new_node"
+
+ # simpler for single-binary commands
+ #mv ./example*/bin/example "$HOME/.local/bin"
+
+ # best for packages and toolchains
+ rm -rf "$new_node_home"
+ if [ -n "$(command -v rsync 2>/dev/null | grep rsync)" ]; then
+ rsync -Krl ./node*/ "$new_node_home/" 2>/dev/null
+ else
+ cp -Hr ./node*/* "$new_node_home/" 2>/dev/null
+ cp -Hr ./node*/.* "$new_node_home/" 2>/dev/null
+ fi
+popd 2>&1 >/dev/null
+
+###################
+# Update PATH #
+###################
+
+# TODO get better output from pathman / output the path to add as return to webi bootstrap
+webi_path_add "$new_node_home/bin"
+
+echo "Installed 'node' and 'npm'"
+echo ""