Add font awesome version to collection dartdoc

Author: michaelspiss

lib/font_awesome_flutter.dart

@@ -7,6 +7,7 @@ export 'package:font_awesome_flutter/src/icon_data.dart';
 
 // THIS FILE IS AUTOMATICALLY GENERATED!
 
+/// Icons based on font awesome 5.15.0
 class FontAwesomeIcons {
   static const IconData fiveHundredPx = const IconDataBrands(0xf26e);
   static const IconData accessibleIcon = const IconDataBrands(0xf368);

pubspec.yaml

@@ -15,6 +15,7 @@ dev_dependencies:
   recase: ^3.0.0
   flutter_test:
     sdk: flutter
+  version: ^1.2.0
 
 flutter:
   fonts:

tool/generate_font.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:recase/recase.dart';
+import 'package:version/version.dart';
 
 void main(List<String> arguments) {
   var file = new File(arguments.first);
@@ -17,6 +18,9 @@ void main(List<String> arguments) {
 
   bool hasDuotone = false;
 
+  // figure out current version
+  Version highestVersion = Version.parse("0.0.0");
+
   for (String iconName in icons.keys) {
     var icon = icons[iconName];
 
@@ -25,6 +29,33 @@ void main(List<String> arguments) {
     if ((icon as Map<String, dynamic>).containsKey('private') &&
         icon['private']) continue;
 
+    // compute highest version
+    var changes = (icon["changes"] as List) ?? List();
+
+    List<Version> versions = changes.map((v) {
+      // since font awesome does not adhere to semver standards
+      var partsCount = v.split(".").length;
+      if (partsCount == 1) {
+        return v + ".0.0";
+      } else if (partsCount == 2) {
+        return v + ".0";
+      } else if (partsCount == 3) {
+        return v;
+      } else {
+        return "0.0.0";
+      }
+    }).map((v) {
+      try {
+        return Version.parse(v);
+      } on FormatException {
+        return Version.parse("0.0.0");
+      }
+    }).toList(growable: true)
+      ..add(highestVersion)
+      ..sort();
+
+    highestVersion = versions.last;
+
     var unicode = icon['unicode'];
     List<String> styles = (icon['styles'] as List).cast<String>();
 
@@ -77,6 +108,7 @@ void main(List<String> arguments) {
     '',
     '// THIS FILE IS AUTOMATICALLY GENERATED!',
     '',
+    '/// Icons based on font awesome $highestVersion',
     'class FontAwesomeIcons {',
   ]);