test: get tests working with type=module

Author: keithamus

package-lock.json

@@ -26,7 +26,7 @@
     "lint": "eslint --report-unused-disable-directives . --color --ext .js,.ts,.tsx && tsc --noEmit",
     "prepublishOnly": "npm run build",
     "postpublish": "npm publish --ignore-scripts --@github:registry='https://npm.pkg.github.com'",
-    "test": "mocha -r ts-node/register --extension ts"
+    "test": "node --loader ts-node/esm.mjs node_modules/mocha/lib/cli/cli.js"
   },
   "prettier": "@github/prettier-config",
   "eslintConfig": {
@@ -76,7 +76,7 @@
     "eslint-plugin-escompat": "^3.1.0",
     "eslint-plugin-github": "^4.0.1",
     "mocha": "^8.0.1",
-    "ts-node": "^8.10.2",
+    "ts-node": "github:TypeStrong/ts-node#866bce6a175ec124fe62f269b22e91c92b40f875",
     "typescript": "^3.9.6"
   }
 }

package.json

@@ -1,5 +1,4 @@
-import memoize from '../decorator'
-import {describe, it} from 'mocha'
+import memoize from '../decorator.js'
 import chai from 'chai'
 import spies from 'chai-spies'
 chai.use(spies)

test/decorator.ts

@@ -1,6 +1,5 @@
 /* globals process */
-import memoize from '../index'
-import {beforeEach, describe, it} from 'mocha'
+import memoize from '../index.js'
 import chai from 'chai'
 import spies from 'chai-spies'
 chai.use(spies)

test/index.ts

@@ -7,6 +7,7 @@
     "noImplicitReturns": true,
     "noFallthroughCasesInSwitch": true,
     "target": "ES2016",
+    "module": "ESNext",
     "moduleResolution": "node",
     "declaration": true,
     "declarationMap": true,