REF: (Breaking change) blessed and blessed-contrib modules are optional

README.md

@@ -22,7 +22,7 @@ npm i -g shell-executor
 Usage: shell-exec [options] cmd1, cmd2, ... cmdn
 
 Options:
-  -d, --dashboard   Show the processes in a nice dashboard if space allows it. No more than 9 commands are allowed in this mode
+  -d, --dashboard   Show the processes in a nice dashboard if space allows it. No more than 9 commands are allowed in this mode. Requires the install of blessed@0.1.81 and blessed-contrib@4.7.5
   -b, --bail        Stop execution as soon as one of the task exit with an exit code different than 0 or an error happened
   -o, --sortOutput  Sort the stdout and stderr output from the commands
   -h, --help        Show this help

package.json

@@ -54,6 +54,8 @@
     "babel-preset-es2015": "6.18.0",
     "babel-preset-react": "6.16.0",
     "babel-preset-stage-0": "6.16.0",
+    "blessed": "0.1.81",
+    "blessed-contrib": "4.7.5",
     "changelogx": "2.0.1",
     "eslint": "3.13.1",
     "eslint-config-airbnb": "14.0.0",
@@ -70,8 +72,6 @@
     "watch-spawn": "2.0.0"
   },
   "dependencies": {
-    "blessed": "0.1.81",
-    "blessed-contrib": "4.7.5",
     "clix": "2.2.1",
     "dispatchy": "1.0.3",
     "es6-promise": "4.0.5",

source/src/main.js

@@ -1,5 +1,3 @@
-import { getGridAndScreen, setProcessLogToGrid } from './grid';
-
 const exec = require('child_process').exec;
 const path = require('path');
 const nodeProcess = require('./process');
@@ -35,6 +33,28 @@ const printFailed = entries =>
 
 module.exports = {
   _executeCommandsInDashboard(program, cmds) {
+    let gridModule;
+
+    try {
+      // eslint-disable-next-line
+      gridModule = require('./grid');
+    } catch (err) {
+      program.error(`
+
+    Cannot load the grid module. ared blessed and blessed-contrib installed?
+
+    try doing:
+
+      npm i blessed@0.1.81 blessed-contrib@4.7.5
+
+    or with yarn
+
+      yarn add blessed@0.1.81 blessed-contrib@4.7.5
+        `);
+    }
+
+
+    const { getGridAndScreen, setProcessLogToGrid } = gridModule;
 
     const { grid, screen } = getGridAndScreen();
     const count = cmds.length;

source/src/options.js

@@ -13,7 +13,7 @@ module.exports = {
         option: 'dashboard',
         alias: 'd',
         type: 'Boolean',
-        description: 'Show the processes in a nice dashboard if space allows it',
+        description: 'Show the processes in a nice dashboard if space allows it. No more than 9 commands are allowed in this mode. Requires the install of blessed@0.1.81 and blessed-contrib@4.7.5',
       },
       {
         option: 'bail',