Add simplified watch

package.json

@@ -5,12 +5,10 @@
   "main": "index.js",
   "scripts": {
     "build": "npm run clean && npm run build:radar && npm run build:js && npm run build:css",
-    "build:radar": "babel-node ./tasks/build.js",
+    "build:pages": "babel-node ./tasks/build.js",
     "build:js": "webpack --config webpack.config.js",
     "build:css": "postcss -c postcss.config.json -o dist/styles.css styles/main.css",
-    "watch:radar": "nodemon -w radar -w static-pages -w templates -e md,pug --exec 'npm run build:radar'",
-    "watch:css": "nodemon -w styles -e css --exec 'npm run build:css'",
-    "watch:js": "nodemon -w js -e js --exec 'npm run build:js'",
+    "watch": "babel-node ./tasks/watch.js",
     "clean": "babel-node ./tasks/clean.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },

styles/base.css

@@ -1,4 +1,3 @@
-
 body {
   background: #475157;
   box-sizing: border-box;

tasks/file.js

@@ -13,6 +13,18 @@ export const staticPath = (...pathInSrc) => (
   relativePath('static-pages', ...pathInSrc)
 );
 
+export const templatesPath = (...pathInSrc) => (
+  relativePath('templates', ...pathInSrc)
+);
+
+export const stylesPath = (...pathInSrc) => (
+  relativePath('styles', ...pathInSrc)
+);
+
+export const jsPath = (...pathInSrc) => (
+  relativePath('js', ...pathInSrc)
+);
+
 export const distPath = (...pathInDist) => (
   relativePath('dist', ...pathInDist)
 );

tasks/watch.js

@@ -0,0 +1,33 @@
+import { watch } from 'fs';
+import { exec } from 'child_process';
+
+import {
+  stylesPath,
+  jsPath,
+  radarPath,
+  staticPath,
+  templatesPath,
+} from './file';
+
+const watchBuild = (name) => (eventType, fileName) => {
+  exec(`npm run build:${name}`, (error, stdout, stderr) => {
+    if (error) {
+      console.error(`exec error: ${error}`);
+      return;
+    }
+    console.log(stdout);
+    console.error(stderr);
+  })
+}
+
+const options = {
+  recursive: true,
+}
+
+watch(stylesPath(), options, watchBuild('css'));
+watch(jsPath(), options, watchBuild('js'));
+watch(radarPath(), options, watchBuild('pages'));
+watch(staticPath(), options, watchBuild('pages'));
+watch(templatesPath(), options, watchBuild('pages'));
+
+console.log('Watching for changes, press CTRL+C to quit');