Add some docs to the code. Work in progress

app/lib/exit/Readme.md

@@ -0,0 +1,13 @@
+<a name="exit"></a>
+
+## exit(msg, code)
+Exit process with either a 0 code or other
+specified failure code. Print message to console first.
+
+**Kind**: global function  
+
+| Param | Type | Default | Description |
+| --- | --- | --- | --- |
+| msg | <code>string</code> |  | Reason for exit |
+| code | <code>integer</code> | <code>0</code> | process exit code, default 0 |
+

app/lib/exit/index.js

@@ -1,5 +1,13 @@
 'use strict';
 
+/**
+ * Exit process with either a 0 code or other
+ * specified failure code. Print message to console first.
+ *
+ * @param {string}  msg 	Reason for exit
+ * @param {integer} code 	process exit code, default 0
+ **/
+
 function exit (msg, code = 0) {
 	if (code === 0) {
 		console.log(msg);

app/lib/spawn/Readme.md

@@ -0,0 +1,7 @@
+<a name="spawn"></a>
+
+## spawn()
+Wrapper function around spawn that prints to console
+after process closes. Not used.
+
+**Kind**: global function  

app/lib/spawn/index.js

@@ -2,6 +2,10 @@
 
 const spawnRaw = require('child_process').spawn;
 
+/**
+ * Wrapper function around spawn that prints to console
+ * after process closes. Not used.
+ **/
 function spawn (cmd, args) {
     const sp = spawnRaw(cmd, args);
     let output = '';

app/lib/system/Readme.md

@@ -0,0 +1,37 @@
+## Functions
+
+<dl>
+<dt><a href="#dependencies">dependencies(platform)</a></dt>
+<dd><p>Evaluates system dependencies for digital
+projector features by executing processes with
+--help flag. If they do not exist, log to console</p>
+</dd>
+<dt><a href="#system">system()</a> ⇒ <code>object</code></dt>
+<dd><p>Profile the current system and return an object with
+data about the displays and dependencies for the digital
+projector feature.</p>
+</dd>
+</dl>
+
+<a name="dependencies"></a>
+
+## dependencies(platform)
+Evaluates system dependencies for digital
+projector features by executing processes with
+--help flag. If they do not exist, log to console
+
+**Kind**: global function  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| platform | <code>string</code> | Operating system type |
+
+<a name="system"></a>
+
+## system() ⇒ <code>object</code>
+Profile the current system and return an object with
+data about the displays and dependencies for the digital
+projector feature.
+
+**Kind**: global function  
+**Returns**: <code>object</code> - Object containing system information  

app/lib/system/index.js

@@ -7,6 +7,14 @@ const exec = require('exec');
 //const spawn = require('spawn');
 //const exit = require('exit');
 
+/**
+ * Evaluates system dependencies for digital
+ * projector features by executing processes with
+ * --help flag. If they do not exist, log to console
+ * 
+ * @param {string} platform  Operating system type
+ **/
+
 async function dependencies (platform) {
 	let obj = {};
 
@@ -31,6 +39,13 @@ async function dependencies (platform) {
 	return obj;
 }
 
+/**
+ * Profile the current system and return an object with
+ * data about the displays and dependencies for the digital
+ * projector feature.
+ *
+ * @returns {object} Object containing system information
+ */ 
 async function system () {
 	const obj = {};
 	let displays = electron.screen.getAllDisplays();