init: MetonaToast v2.0.0 基线 — 已完成改进(模板抽象/constants拆分/测试增强)

jest.config.js

@@ -0,0 +1,17 @@
+module.exports = {
+  testEnvironment: 'jsdom',
+  transform: {
+    '^.+\\.js$': 'babel-jest',
+  },
+  transformIgnorePatterns: [
+    '/node_modules/(?!(@rollup)/)',
+  ],
+  moduleFileExtensions: ['js', 'json'],
+  collectCoverageFrom: [
+    'src/**/*.js',
+    '!src/index.js',
+  ],
+  coverageDirectory: 'coverage',
+  coverageReporters: ['text', 'lcov'],
+  verbose: true,
+};