File movement and adding assertions

lib/flutter_icons.dart

@@ -1,18 +1,18 @@
 library flutter_icons;
 
-export 'ionicons.dart';
-export 'ant_design.dart';
-export 'font_awesome.dart';
-export 'material_icons.dart';
-export 'entypo.dart';
-export 'evil_icons.dart';
-export 'feather.dart';
-export 'material_community_icons.dart';
-export 'octicons.dart';
-export 'simple_line_icons.dart';
-export 'zocial.dart';
-export 'foundation.dart';
-export 'font_awesome_5.dart';
-export 'flutter_icon_data.dart' show IconWeight;
-export 'icon_toggle.dart';
-export 'weather_icons.dart';
+export 'src/ionicons.dart';
+export 'src/ant_design.dart';
+export 'src/font_awesome.dart';
+export 'src/material_icons.dart';
+export 'src/entypo.dart';
+export 'src/evil_icons.dart';
+export 'src/feather.dart';
+export 'src/material_community_icons.dart';
+export 'src/octicons.dart';
+export 'src/simple_line_icons.dart';
+export 'src/zocial.dart';
+export 'src/foundation.dart';
+export 'src/font_awesome_5.dart';
+export 'src/flutter_icon_data.dart' show IconWeight;
+export 'src/icon_toggle.dart';
+export 'src/weather_icons.dart';

lib/src/ant_design.dart

@@ -1,6 +1,11 @@
 import 'flutter_icon_data.dart';
+
 class AntDesign {
   static getIconData(iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the AntDesign",
+    );
     return FlutterIconData.antDesign(_antDesign[iconName]);
   }
 
@@ -9,8 +14,6 @@ class AntDesign {
   static const glyphMaps = _antDesign;
 }
 
-
-
 const Map<String, int> _antDesign = {
   "stepforward": 58880,
   "stepbackward": 58881,

lib/src/entypo.dart

@@ -2,6 +2,10 @@ import 'flutter_icon_data.dart';
 
 class Entypo {
   static getIconData(String iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the Entypo",
+    );
     return FlutterIconData.entypo(_entypo[iconName]);
   }
 

lib/src/evil_icons.dart

@@ -2,6 +2,10 @@ import 'flutter_icon_data.dart';
 
 class EvilIcons {
   static getIconData(String iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the EvilIcons",
+    );
     return FlutterIconData.evilIcons(_evilIcons[iconName]);
   }
 
@@ -9,6 +13,7 @@ class EvilIcons {
 
   static const glyphMaps = _evilIcons;
 }
+
 const Map<String, int> _evilIcons = {
   "archive": 61696,
   "arrow-down": 61697,

lib/src/feather.dart

@@ -2,6 +2,10 @@ import 'flutter_icon_data.dart';
 
 class Feather {
   static getIconData(String iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the Feather",
+    );
     return FlutterIconData.feather(_feather[iconName]);
   }
 
@@ -9,6 +13,7 @@ class Feather {
 
   static const glyphMaps = _feather;
 }
+
 const Map<String, int> _feather = {
   "activity": 59648,
   "airplay": 59649,

lib/src/font_awesome.dart

@@ -2,6 +2,10 @@ import 'flutter_icon_data.dart';
 
 class FontAwesome {
   static getIconData(iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the FontAwesome",
+    );
     return FlutterIconData.fontAwesome(_fontAwesome[iconName]);
   }
 
@@ -9,6 +13,7 @@ class FontAwesome {
 
   static const glyphMaps = _fontAwesome;
 }
+
 const Map<String, int> _fontAwesome = {
   "glass": 61440,
   "music": 61441,

lib/src/font_awesome_5.dart

@@ -1,7 +1,11 @@
 import 'flutter_icon_data.dart';
 
 class FontAwesome5 {
-  static getIconData(iconName, {IconWeight weight}) {
+  static getIconData(iconName, {IconWeight weight = IconWeight.Regular}) {
+    assert(
+      hasIconData(iconName, weight: weight),
+      "The icon $iconName does not exist in the FontAwesome5($weight)",
+    );
     return FlutterIconData.fontAwesome5(_fontAwesome5[iconName],
         weight: weight);
   }

lib/src/foundation.dart

@@ -2,6 +2,10 @@ import 'flutter_icon_data.dart';
 
 class Foundation {
   static getIconData(String iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the Foundation",
+    );
     return FlutterIconData.foundation(_foundation[iconName]);
   }
 
@@ -9,6 +13,7 @@ class Foundation {
 
   static const glyphMaps = _foundation;
 }
+
 const Map<String, int> _foundation = {
   "address-book": 61696,
   "alert": 61697,

lib/src/ionicons.dart

@@ -1,8 +1,11 @@
 import 'flutter_icon_data.dart';
-import 'package:flutter/material.dart';
-class Ionicons{
 
+class Ionicons {
   static getIconData(String iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the Ionicons",
+    );
     return FlutterIconData.ionicons(_ionicons[iconName]);
   }
 
@@ -11,7 +14,6 @@ class Ionicons{
   static const glyphMaps = _ionicons;
 }
 
-
 const Map<String, int> _ionicons = const {
   "ios-add": 61698,
   "ios-add-circle": 61697,

lib/src/material_community_icons.dart

@@ -2,13 +2,19 @@ import 'flutter_icon_data.dart';
 
 class MaterialCommunityIcons {
   static getIconData(String iconName) {
-    return FlutterIconData.materialCommunityIcons(_materialCommunityIcons[iconName]);
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the MaterialCommunityIcons",
+    );
+    return FlutterIconData.materialCommunityIcons(
+        _materialCommunityIcons[iconName]);
   }
 
   static hasIconData(iconName) => _materialCommunityIcons.containsKey(iconName);
 
   static const glyphMaps = _materialCommunityIcons;
 }
+
 const Map<String, int> _materialCommunityIcons = {
   "ab-testing": 983068,
   "access-point": 61442,

lib/src/material_icons.dart

@@ -1,13 +1,19 @@
 import 'flutter_icon_data.dart';
+
 class MaterialIcons {
   static getIconData(String iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the MaterialIcons",
+    );
     return FlutterIconData.materialIcons(_materialIcons[iconName]);
   }
+
   static hasIconData(iconName) => _materialIcons.containsKey(iconName);
 
   static const glyphMaps = _materialIcons;
-
 }
+
 const Map<String, int> _materialIcons = {
   "3d-rotation": 59469,
   "ac-unit": 60219,

lib/src/octicons.dart

@@ -2,6 +2,10 @@ import 'flutter_icon_data.dart';
 
 class Octicons {
   static getIconData(String iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the Octicons",
+    );
     return FlutterIconData.octicons(_octicons[iconName]);
   }
 
@@ -9,6 +13,7 @@ class Octicons {
 
   static const glyphMaps = _octicons;
 }
+
 const Map<String, int> _octicons = {
   "alert": 61696,
   "archive": 61697,

lib/src/simple_line_icons.dart

@@ -2,6 +2,10 @@ import 'flutter_icon_data.dart';
 
 class SimpleLineIcons {
   static getIconData(String iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the SimpleLineIcons",
+    );
     return FlutterIconData.simpleLineIcons(_simpleLineIcons[iconName]);
   }
 
@@ -9,6 +13,7 @@ class SimpleLineIcons {
 
   static const glyphMaps = _simpleLineIcons;
 }
+
 const Map<String, int> _simpleLineIcons = {
   "user": 57349,
   "people": 57345,

lib/src/weather_icons.dart

@@ -2,6 +2,10 @@ import 'flutter_icon_data.dart';
 
 class WeatherIcons {
   static getIconData(String iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the WeatherIcons",
+    );
     return FlutterIconData.weatherIcons(_weatherIcons[iconName]);
   }
 

lib/src/zocial.dart

@@ -1,6 +1,11 @@
 import 'flutter_icon_data.dart';
+
 class Zocial {
   static getIconData(String iconName) {
+    assert(
+      hasIconData(iconName),
+      "The icon $iconName does not exist in the Zocial",
+    );
     return FlutterIconData.zocial(_zocial[iconName]);
   }
 
@@ -8,6 +13,7 @@ class Zocial {
 
   static const glyphMaps = _zocial;
 }
+
 const Map<String, int> _zocial = {
   "acrobat": 61696,
   "amazon": 61697,