Add time to log output (#22)

Author: timneutkens

package.json

@@ -41,6 +41,7 @@
   },
   "dependencies": {
     "chalk": "^1.1.3",
-    "error-stack-parser": "^2.0.0"
+    "error-stack-parser": "^2.0.0",
+    "string-length": "^1.0.1"
   }
 }

src/output.js

@@ -2,7 +2,7 @@
 
 const colors = require('./utils/colors');
 const chalk = require('chalk');
-const readline = require('readline')
+const stringLength = require('string-length');
 
 class Debugger {
 
@@ -49,9 +49,26 @@ class Debugger {
 
   title (severity, title, subtitle) {
     if (this.enabled) {
+      const date = new Date();
+      const dateString = chalk.grey(date.toLocaleTimeString());
       const titleFormatted = colors.formatTitle(severity, title);
       const subTitleFormatted = colors.formatText(severity, subtitle);
-      this.log(titleFormatted, subTitleFormatted);
+      const message = `${titleFormatted} ${subTitleFormatted}`
+
+      // In test environment we don't include timestamp
+      if(process.env.NODE_ENV === 'test') {
+        this.log(message);
+        this.log();
+        return;
+      }
+
+      // Make timestamp appear at the end of the line
+      let logSpace = process.stdout.columns - stringLength(message) - stringLength(dateString)
+      if (logSpace <= 0) {
+        logSpace = 10
+      }
+
+      this.log(`${message}${' '.repeat(logSpace)}${dateString}`);
       this.log();
     }
   }

yarn.lock

@@ -3090,6 +3090,12 @@ string_decoder@^0.10.25, string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
 
+string-length@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/string-length/-/string-length-1.0.1.tgz#56970fb1c38558e9e70b728bf3de269ac45adfac"
+  dependencies:
+    strip-ansi "^3.0.0"
+
 string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"