Use tsc for compilation (#27)

* Compile using tsc

* Use typescript parser for linting and remove babel

* Remove babel config

index.js

@@ -4,4 +4,4 @@
 
 require('source-map-support').install();
 
-module.exports = require('./dist/index');
+module.exports = require('./dist/src/index');

package.json

@@ -13,13 +13,15 @@
   "license": "GPL-3.0",
   "files": [
     "dist",
+    "src",
     "index.js"
   ],
   "main": "index.js",
-  "browser": "dist/index.js",
+  "browser": "dist/src/index.js",
+  "types": "dist/src/index.d.ts",
   "scripts": {
-    "build": "npm run clean && npm run build:babel",
-    "build:babel": "babel ./src --out-dir ./dist --ignore \"**/*.test.js\" --source-maps",
+    "build": "npm run clean && npm run build:tsc",
+    "build:tsc": "tsc",
     "benchmark": "npm run build && npm run benchmark:node && npm run benchmark:browser",
     "benchmark:node": "del-cli .benchmark && node benchmark.js",
     "benchmark:browser": "browser-runner benchmark.js --timeout 0",
@@ -35,6 +37,7 @@
     "> 5%"
   ],
   "jest": {
+    "preset": "ts-jest/presets/js-with-ts",
     "testEnvironment": "node"
   },
   "dependencies": {
@@ -57,32 +60,26 @@
     "through2": "^3.0.1"
   },
   "devDependencies": {
-    "@babel/cli": "^7.7.0",
-    "@babel/core": "^7.4.5",
-    "@babel/plugin-proposal-class-properties": "^7.10.4",
-    "@babel/plugin-proposal-export-default-from": "^7.5.2",
-    "@babel/preset-env": "^7.4.5",
     "@dxos/benchmark-suite": "^1.0.0-beta.1",
     "@dxos/browser-runner": "^1.0.0-beta.8",
     "@dxos/random-access-multi-storage": "^1.1.0-beta.3",
-    "babel-eslint": "^10.0.2",
-    "babel-jest": "^24.8.0",
-    "babel-plugin-add-module-exports": "^1.0.2",
-    "babel-plugin-inline-import": "^3.0.0",
+    "@typescript-eslint/parser": "^3.8.0",
     "coveralls": "^3.0.7",
     "del-cli": "^3.0.0",
     "end-of-stream-promise": "^1.0.0",
     "jest": "^26.2.2",
     "random-access-memory": "^3.1.1",
     "semistandard": "^14.2.0",
     "tempy": "^0.5.0",
+    "ts-jest": "^26.1.4",
+    "typescript": "^3.9.7",
     "wait-for-expect": "^3.0.2"
   },
   "publishConfig": {
     "access": "public"
   },
   "semistandard": {
-    "parser": "babel-eslint",
+    "parser": "@typescript-eslint/parser",
     "env": [
       "jest",
       "node",

tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "allowJs": true,
+    "composite": true,
+    "sourceMap": true,
+    "declarationMap": true,
+    "skipLibCheck": true,
+    "esModuleInterop": true,
+    "target": "ES2018",
+    "module": "commonjs",
+    "outDir": "dist"
+  },
+  "include": [
+    "src"
+  ],
+  "exclude": [
+    "src/**/*.test.js"
+  ]
+}