Remove the use of Grunt's log functions

.github/workflows/test.yml

@@ -32,7 +32,7 @@ jobs:
         check-latest: true
 
     - name: Install NPM dependencies and build
-      run: npm ci
+      run: npm install
 
     - name: Run tests
       run: npm run test

lib/log.js

@@ -0,0 +1,44 @@
+const chalk = require( 'chalk' );
+
+const ERROR = chalk.reset.inverse.bold.red( ' ERROR ' );
+
+const grunt = require( 'grunt' );
+
+const logger = function () {
+	this.isVerbose = () => {
+		// Eventually replace this
+		return grunt.log._options.verbose || grunt.log._options.debug;
+	};
+
+	this.isDebug = () => {
+		return grunt.log._options.verbose || grunt.log._options.debug;
+	};
+
+	this.write = ( msg ) => {
+		process.stdout.write( msg );
+	};
+
+	this.debug = ( msg ) => {
+		if ( this.isDebug ) {
+			this.write( `DEBUG: ${ msg } ` );
+		}
+	};
+
+	this.error = ( msg ) => {
+		this.write( `${ ERROR } ${ msg }` );
+	};
+
+	this.notice = ( msg ) => {
+		this.write( msg );
+	};
+
+	this.verbose = ( msg ) => {
+		if ( this.isVerbose ) {
+			this.write( msg );
+		}
+	};
+};
+
+const log = new logger();
+
+module.exports = log;

lib/map_old_to_new_file_path.js

@@ -1,4 +1,5 @@
 const grunt = require( 'grunt' );
+const log = require( './log' );
 
 /**
  * Replaces file names in the passed filePath with the file names in the fileMappings.
@@ -41,7 +42,7 @@ function mapOldToNewFilePath( filePath, fileMappings ) {
 
 		// Logs the mapping.
 		if ( body !== newBody ) {
-			grunt.log.writeln(
+			log.notice(
 				'Old file path ' +
 					oldPath +
 					' found in patch. This path has been automatically replaced by ' +

lib/trac.js

@@ -1,14 +1,14 @@
 const url = require( 'url' );
-const grunt = require( 'grunt' );
+const log = require( './log' );
 
 module.exports = {
 	convertToRaw( parsedUrl ) {
-		grunt.log.debug( 'convertToRaw: ' + JSON.stringify( parsedUrl ) );
+		log.debug( 'convertToRaw: ' + JSON.stringify( parsedUrl ) );
 		parsedUrl.pathname = parsedUrl.pathname.replace(
 			/attachment/,
 			'raw-attachment'
 		);
-		grunt.log.debug( 'converted_from_raw: ' + url.format( parsedUrl ) );
+		log.debug( 'converted_from_raw: ' + url.format( parsedUrl ) );
 		return url.format( parsedUrl );
 	},
 };