initial changes

.eslintrc.js

@@ -0,0 +1,23 @@
+// Copyright (c) 2019-2020 Luca Cappa
+// Released under the term specified in file LICENSE.txt
+// SPDX short identifier: MIT
+
+module.exports = {
+  parser: '@typescript-eslint/parser',  // Specifies the ESLint parser
+  extends: [
+    'plugin:@typescript-eslint/recommended',  // Uses the recommended rules from the @typescript-eslint/eslint-plugin
+  ],
+  parserOptions: {
+    ecmaVersion: 2018,  // Allows for the parsing of modern ECMAScript features
+    sourceType: 'module',  // Allows for the use of imports
+    project: './tsconfig.json',
+    tsconfigRootDir: __dirname,
+  },
+  rules: {
+    // Place to specify ESLint rules. Can be used to overwrite rules specified from the extended configs
+    // e.g. "@typescript-eslint/explicit-function-return-type": "off",
+    "@typescript-eslint/no-floating-promises": ["error"],
+    "@typescript-eslint/no-explicit-any": ["off"],
+    "@typescript-eslint/no-unused-vars": ["off"]
+  },
+};

dist/action.js

@@ -0,0 +1,4 @@
+if (!yy.ast) {
+    yy.ast = _ast;
+    _ast.initialize();
+}

dist/module.js

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+var _ast = {
+
+  initialize: function() {
+    this._nodes = [];
+    this._node = {};
+    this._stash = [];
+  },
+
+  set: function(props) {
+    for (var k in props) this._node[k] = props[k];
+    return this._node;
+  },
+
+  node: function(obj) {
+    if (arguments.length) this._node = obj;
+    return this._node;
+  },
+
+  push: function() {
+    this._nodes.push(this._node);
+    this._node = {};
+  },
+
+  unshift: function() {
+    this._nodes.unshift(this._node);
+    this._node = {};
+  },
+
+  yield: function() {
+    var _nodes = this._nodes;
+    this.initialize();
+    return _nodes;
+  }
+};

jest.config.js

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+module.exports = {
+  clearMocks: true,
+  restoreMocks: true,
+  moduleFileExtensions: ['js', 'ts'],
+  testEnvironment: 'node',
+  testMatch: ['**/*.test.ts'],
+  testRunner: 'jest-circus/runner',
+  transform: {
+    '^.+\\.ts$': 'ts-jest'
+  },
+  verbose: true,
+  silent: false,
+  globals: {
+    'ts-jest': {
+      tsconfig: './tsconfig.json',
+    },
+  },
+  collectCoverage: true,
+  coveragePathIgnorePatterns: [
+    "<rootDir>/build/", "<rootDir>/node_modules/", "<rootDir>/__tests__", "__tests__"
+  ],
+  collectCoverageFrom: [
+    "src/*.ts",
+    "!**/node_modules/**",
+    "!**/build/**",
+    "!**/dist/**"
+  ]
+}