Add mechanism for aliases, use for BQ, BL & MF codes

aliases.json

@@ -0,0 +1,9 @@
+{
+  "fr": [
+    "bl",
+    "mf"
+  ],
+  "nl": [
+    "bq"
+  ]
+}

dist/sprite/famfamfam-flags.css

@@ -459,7 +459,7 @@
   background-position: -112px -55px;
 }
 
-.famfamfam-flags.fr {
+.famfamfam-flags.bl, .famfamfam-flags.mf, .famfamfam-flags.fr {
   width: 16px;
   height: 11px;
   background-position: -112px -66px;
@@ -993,7 +993,7 @@
   background-position: -160px -155px;
 }
 
-.famfamfam-flags.nl {
+.famfamfam-flags.bq, .famfamfam-flags.nl {
   width: 16px;
   height: 11px;
   background-position: -176px 0px;

gulpfile.js

@@ -18,10 +18,26 @@ qrcode = require('qrcode-terminal'),
 gulp = require('gulp'),
 imagemin = require('gulp-imagemin'),
 rename = require('gulp-rename'),
+replace = require('gulp-replace'),
 minifyCSS = require('gulp-minify-css'),
 spriteBuilder = require( 'node-spritesheet' ).Builder,
 notify = require('gulp-notify');
 
+var aliases = {
+  map: require(path.join(__dirname, 'aliases.json')),
+
+  buildRegExp: function() {
+    return new RegExp('(\\.' + pkg.name + '\\.)(' + Object.keys(aliases.map).join('|') + ')', 'gm');
+  },
+
+  getReplacement: function($0, $prefix, $flag) {
+    if (!aliases.map[$flag]) {
+      return $0;
+    }
+    return $prefix + aliases.map[$flag].concat($flag).join(', ' + $prefix);
+  }
+};
+
 function displayCowsay (txt, cb) {
   console.log('\n\n');
   console.log(chalk.magenta(cowsay.say({
@@ -93,6 +109,8 @@ gulp.task('sprite', ['build_clean'], function (cb) {
     });
     builder.build(function() {
       gulp.src('./dist/sprite/' + pkg.name + '.css')
+        .pipe(replace(aliases.buildRegExp(), aliases.getReplacement))
+        .pipe(gulp.dest('./dist/sprite'))
         .pipe(minifyCSS({keepSpecialComments: '*'}))
         .pipe(rename(pkg.name + '.min.css'))
         .pipe(gulp.dest('./dist/sprite'));

package.json

@@ -34,6 +34,7 @@
     "gulp-minify-css": "~1.2.3",
     "gulp-notify": "~2.2",
     "gulp-rename": "~1.2",
+    "gulp-replace": "^0.5.4",
     "node-spritesheet": "~0.4",
     "qrcode-terminal": "~0.10",
     "somebody": "~2.0"