fix: proper esm support in runner

.gitignore

@@ -93,3 +93,4 @@ typings/
 .dynamodb/
 
 # End of https://www.gitignore.io/api/node
+dist

.npmignore

@@ -0,0 +1,95 @@
+
+# Created by https://www.gitignore.io/api/node
+# Edit at https://www.gitignore.io/?templates=node
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# End of https://www.gitignore.io/api/node

jest-preset.js

@@ -1,4 +1,4 @@
-module.exports = {
+export default {
   runner: "remark",
   moduleFileExtensions: ["md", "mdx", "markdown", "mkd", "mkdn", "mkdown"],
   testMatch: [

jest.config.js

@@ -0,0 +1,42 @@
+export default {
+  collectCoverage: true,
+  coverageReporters: ["json", "text"],
+  projects: [
+    {
+      preset: "ts-jest/presets/default-esm",
+      globals: {
+        "ts-jest": {
+          useESM: true,
+        },
+      },
+      moduleNameMapper: {
+        "^(\\.{1,2}/.*)\\.js$": "$1",
+      },
+      collectCoverage: true,
+      testPathIgnorePatterns: ["/node_modules/", "/dist/"],
+      coverageReporters: ["json", "text"],
+      displayName: "test",
+    },
+    {
+      preset: "./jest-preset.js",
+      runner: "./dist/index.js",
+      displayName: "lint:remark",
+      testPathIgnorePatterns: [
+        "/node_modules/",
+        "/dist/",
+        "/src/__fixtures__/",
+      ],
+    },
+    {
+      preset: "jest-runner-prettier",
+      displayName: "lint:prettier",
+      testPathIgnorePatterns: ["/node_modules/", "/dist/", "/coverage/"],
+    },
+    {
+      runner: "eslint",
+      displayName: "lint:eslint",
+      testMatch: ["<rootDir>/src/**/*"],
+      testPathIgnorePatterns: ["/node_modules/", "/dist/", "/coverage/"],
+    },
+  ],
+};