添加flutter对应的dart生成脚本

README-zh_CN.md

@@ -32,6 +32,8 @@ TDesign Icon 仓库负责生产和构建 TDesign 所有图标相关的资源和
 
 如果更新了原始图标资源之后，请务必运行 `pnpm run generate` 命令。
 
+注:flutter除了生成ttf外,还需要生成对应的dart文件,需要本地配置了dart运行环境,然后执行packages/flutter/gen_dart_file.dart脚本,对应dart文件会生成在packages/flutter/output/目录下
+
 ## 更新版本号及 CHANGELOG 🔖
 
 在根目录运行 `npx changeset`，根据具体情况依次选择各个包的版本号变更规则，并填下 `CHANGELOG`的内容。

packages/flutter/gen_dart_file.dart

@@ -0,0 +1,80 @@
+import 'dart:convert';
+import 'dart:io';
+
+void main(){
+  var indexPath = "../../resources/icon-font/dist/index.json";
+  var outputPath = "output/td_icons.dart";
+  var indexFile = File(indexPath);
+  if(!indexFile.existsSync()){
+    print("indexFile is not exist");
+    return ;
+  }
+  var indexContent = indexFile.readAsStringSync().replaceFirst('"\\\\E842"},]}', '"\\\\E842"}]}');
+  print("indexContent:\n$indexContent");
+  var jsonObj = jsonDecode(indexContent);
+  var iconsJson = jsonObj["icons"];
+  if(iconsJson is List){
+    var iconList = <IconModel>[];
+    iconsJson.forEach((element) { 
+      var model = IconModel();
+      model.name = (element["name"] as String).replaceAll("-", '_');
+      model.codepoint = (element["codepoint"] as String).replaceAll("\\", '');
+      iconList.add(model);
+    });
+
+    print("iconList:\n$iconList");
+
+    var fileSb = StringBuffer(fileStart);
+    var varSb = StringBuffer();
+    var mapSb = StringBuffer("  static const all = <String, _TDIconsData>{");
+    iconList.forEach((model) {
+      varSb.writeln("  static const ${model.name} = _TDIconsData(0x${model.codepoint}, '${model.name}');");
+      mapSb.writeln("    '${model.name}': ${model.name},");
+    });
+    fileSb.writeln(varSb);
+    fileSb.writeln(mapSb);
+    fileSb.writeln(fileEnd);
+
+    // 输出文件
+    var outputFile = File(outputPath);
+    if(!outputFile.existsSync()){
+      outputFile.createSync(recursive: true);
+    }
+    outputFile.writeAsStringSync(fileSb.toString());
+  }
+}
+
+class IconModel {
+  String name = "";
+  String codepoint = "";
+}
+
+var fileStart = '''
+import 'package:flutter/widgets.dart';
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: non_constant_identifier_names
+// ignore_for_file: constant_identifier_names
+@immutable
+class _TDIconsData extends IconData {
+  const _TDIconsData(int codePoint, this.name)
+      : super(
+    codePoint,
+    fontFamily: 'TDIcons',
+    fontPackage: 'tdesign_flutter',
+  );
+
+  final String name;
+}
+
+
+class TDIcons {
+
+  /// 私有构造方法，不支持外部创建，仅提供静态常量给外部使用
+  const TDIcons._();
+''';
+
+var fileEnd = '''
+  };
+}
+''';