WIP - added spectacle cli

Author: SunburtReynolds

bin/args.js

@@ -0,0 +1,44 @@
+const yargs = require('yargs');
+const fs = require('fs');
+
+// Validate and normalize.
+const validate = parser => {
+  const { argv } = parser;
+  const { mdx } = argv;
+
+  return Promise.resolve().then(() =>
+    new Promise((resolve, reject) => {
+      fs.readFile(mdx, (err, data) => {
+        if (err) {
+          reject(err);
+        } else {
+          resolve(data);
+        }
+      });
+    }).then(buf => buf.toString('utf8'))
+  );
+};
+
+const args = () =>
+  yargs
+    .usage(`Usage: spectacle -m <file>`)
+
+    // MDX File
+    .option('mdx', {
+      alias: 'm',
+      describe: 'Path to mdx file from which a presentation will be generated.',
+      default: 'slides.mdx',
+      required: false,
+      type: 'string'
+    })
+
+    // Logistical
+    .help()
+    .alias('help', 'h')
+    .version()
+    .alias('version', 'v')
+    .strict();
+
+module.exports = {
+  parse: () => validate(args())
+};

bin/cli.js

@@ -0,0 +1,21 @@
+#!/usr/bin/env node
+
+const parse = require('./args').parse;
+
+const main = () =>
+  Promise.resolve()
+    // Parse arguments.
+    .then(parse)
+    .then(out => {
+      console.log(out);
+    })
+    .catch(err => {
+      // Try to get full stack, then full string if not.
+      console.error(err.stack || err.toString());
+
+      process.exit(1);
+    });
+
+if (require.main === module) {
+  main();
+}

package.json

@@ -17,6 +17,9 @@
     "test": "jest --verbose",
     "check": ""
   },
+  "bin": {
+    "spectacle": "./bin/cli.js"
+  },
   "author": "",
   "license": "MIT",
   "repository": {