Add term colors and pretty print yaml

Signed-off-by: Mark Matyas <[email protected]>

Author: Mark Matyas

scripts/build.js

@@ -5,16 +5,23 @@ const glob = require('glob');
 const yaml = require('js-yaml');
 const fs = require('fs');
 const {log} = require('console');
+
 const ERROR = 1;
 const isCLI = require.main === module;
+const colors = {
+  red: '\x1b[31m',
+  cyan: '\x1b[36m',
+  green: '\x1b[32m',
+  yellow: '\x1b[33m'
+};
 
 // @todo only load new/changed yaml - use git diff
 function getYamlFilePaths() {
   return glob.sync('{**/*.yaml,**/*.yml}');
 }
 
 function failure(error = 'Error') {
-  log(`${error}`);
+  log(colors.red, `${error}`);
   process.exitCode = ERROR;
   return ERROR;
 }
@@ -24,23 +31,25 @@ function loadYamlFile(path) {
     let data = yaml.safeLoad(fs.readFileSync(path, 'utf8'));
     return {data, path};
   } catch (error) {
-    return failure(`> Invalid yaml file: ${path}\n`);
+    return failure(`Invalid yaml file: ${path}\n`);
   }
 }
 
 function logYamlDoc({data, path}) {
-  log(path);
-  log(data);
+  log(colors.cyan, path);
+  yaml.safeDump(data).split('\n').forEach(line => log(colors.green, line));
 }
 
 function run() {
   let paths = getYamlFilePaths();
   if (!paths.length) {
-    return failure('> 0 yaml files');
+    return failure('0 yaml files');
   }
 
   let docs = paths.map(loadYamlFile).filter(x => x !== ERROR);
-  log('> Valid yaml file(s):\n');
+  if (docs.length) {
+    log(colors.yellow, 'Valid yaml file(s):');
+  }
   docs.forEach(logYamlDoc);
 }