Initial commit

.eslintrc.js

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+module.exports = {
+  parser: '@typescript-eslint/parser',
+  plugins: ['import'],
+  extends: [
+    'plugin:@typescript-eslint/recommended',
+    'prettier/@typescript-eslint',
+    'plugin:prettier/recommended',
+  ],
+  rules: {
+    '@typescript-eslint/no-use-before-define': ['error', { functions: false }],
+    '@typescript-eslint/interface-name-prefix': 'off',
+    'import/order': [
+      'error',
+      {
+        pathGroupsExcludedImportTypes: ['builtin'],
+        groups: [
+          'builtin',
+          ['external', 'internal'],
+          'parent',
+          ['sibling', 'index'],
+        ],
+        'newlines-between': 'always',
+      },
+    ],
+  },
+};

.gitignore

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+# dependencies
+node_modules
+
+# tsc
+build
+
+# jest
+coverage

.nvmrc

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+12.19.0

.prettierrc.js

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+module.exports = {
+  bracketSpacing: true,
+  printWidth: 80,
+  semi: true,
+  singleQuote: true,
+  tabWidth: 2,
+  trailingComma: 'all',
+  useTabs: false,
+  endOfLine: 'lf'
+};

.vscode/settings.json

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+{
+  "eslint.enable": true,
+  "editor.tabSize": 2,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": true
+  },
+  "editor.rulers": [80],
+  "files.insertFinalNewline": true
+}

jest.config.js

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+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  roots: ['<rootDir>/src', '<rootDir>/test'],
+};