fix(deps): update ts-node to v9 (#78)

* fix(deps): update ts-node to v9
* fix: support TypeScript v2.7+
* docs: update badges

Author: teppeis

.github/workflows/ci.yml

@@ -18,5 +18,5 @@ jobs:
           node-version: ${{ matrix.node-version }}
       - run: npm install
       - run: npm test
-      - run: npm install typescript@2.4
+      - run: npm install typescript@2.7
       - run: npm test

README.md

@@ -4,18 +4,18 @@
 
 [![npm version][npm-image]][npm-url]
 ![Node.js Version Support][node-version]
+![TypeScript Version Support][ts-version]
 [![build status][ci-image]][ci-url]
 [![Dependency Status][deps-image]][deps-url]
+![monthly downloads][npm-downloads-image]
 ![License][license]
 
 ## TypeScript versions
 
-espower-typescript v9.x is compatible with TypeScript v2.4+
+espower-typescript v10.x is compatible with TypeScript v2.7+
 
 ## Usage (zero-config mode)
 
-NOTE: If you use older version than v9, see [older document](https://github.com/power-assert-js/espower-typescript/blob/v8.1.4/README.md).
-
 Install
 
 ```console
@@ -112,11 +112,13 @@ If `allowJs: true` in your `tsconfig.json`, assertions in `test/**/*.(js|jsx)` a
 - Includes [yosuke-furukawa/espower-traceur](https://github.com/yosuke-furukawa/espower-traceur)
 - Includes [azu/espower-babel](https://github.com/azu/espower-babel)
 
-[npm-image]: https://img.shields.io/npm/v/espower-typescript.svg
+[npm-image]: https://badgen.net/npm/v/espower-typescript?icon=npm&label=
 [npm-url]: https://npmjs.org/package/espower-typescript
+[npm-downloads-image]: https://badgen.net/npm/dm/espower-typescript
 [ci-image]: https://github.com/power-assert-js/espower-typescript/workflows/Node.js%20CI/badge.svg
 [ci-url]: https://github.com/power-assert-js/espower-typescript/actions?query=workflow%3A%22Node.js+CI%22
-[deps-image]: https://david-dm.org/power-assert-js/espower-typescript.svg
+[deps-image]: https://badgen.net/david/dep/power-assert-js/espower-typescript
 [deps-url]: https://david-dm.org/power-assert-js/espower-typescript
 [node-version]: https://badgen.net/npm/node/espower-typescript
-[license]: https://img.shields.io/npm/l/espower-typescript.svg
+[ts-version]: https://badgen.net/badge/typescript/%3E=2.7?icon=typescript
+[license]: https://badgen.net/npm/license/espower-typescript

package-lock.json

@@ -23,7 +23,7 @@
     "espower-source": "^2.3.0",
     "minimatch": "^3.0.3",
     "source-map-support": "^0.5.12",
-    "ts-node": "^8.3.0"
+    "ts-node": "^9.1.1"
   },
   "devDependencies": {
     "@types/mocha": "^8.2.0",
@@ -38,7 +38,7 @@
     "typescript": "^4.1.3"
   },
   "peerDependencies": {
-    "typescript": ">= 2.4.2"
+    "typescript": ">= 2.7"
   },
   "homepage": "https://github.com/power-assert-js/espower-typescript",
   "repository": {