Add types

Reviewed-by: Christian Murphy <christian.murphy.42@gmail.com>
Reviewed-by: Titus Wormer <tituswormer@gmail.com>

Closes GH-13.

.prettierignore

@@ -1,3 +1,4 @@
 coverage/
 remark-rehype.js
 remark-rehype.min.js
+**/*.md

package.json

@@ -27,13 +27,16 @@
     "John Otander <johnotander@gmail.com> (https://johno.com)"
   ],
   "files": [
-    "index.js"
+    "index.js",
+    "types/index.d.ts"
   ],
+  "types": "types/index.d.ts",
   "dependencies": {
-    "mdast-util-to-hast": "^8.0.0"
+    "mdast-util-to-hast": "^9.1.0"
   },
   "devDependencies": {
     "browserify": "^16.0.0",
+    "dtslint": "^3.4.1",
     "nyc": "^15.0.0",
     "prettier": "^2.0.0",
     "rehype-stringify": "^6.0.0",
@@ -47,13 +50,14 @@
     "xo": "^0.28.0"
   },
   "scripts": {
-    "format": "remark . -qfo && prettier --write \"**/*.js\" && xo --fix",
+    "format": "remark . -qfo && prettier --write . && xo --fix",
     "build-bundle": "browserify . -s remarkRehype > remark-rehype.js",
     "build-mangle": "browserify . -s remarkRehype -p tinyify > remark-rehype.min.js",
     "build": "npm run build-bundle && npm run build-mangle",
     "test-api": "node test",
     "test-coverage": "nyc --reporter lcov tape test.js",
-    "test": "npm run format && npm run build && npm run test-coverage"
+    "test-types": "dtslint types",
+    "test": "npm run format && npm run build && npm run test-coverage && npm run test-types"
   },
   "nyc": {
     "check-coverage": true,

types/index.d.ts

@@ -0,0 +1,7 @@
+// Minimum TypeScript Version: 3.2
+import {Plugin, Processor} from 'unified'
+import {Options} from 'mdast-util-to-hast'
+
+declare const remark2rehype: Plugin<[Options?] | [Processor?, Options?]>
+
+export = remark2rehype

types/remark-rehype-tests.ts

@@ -0,0 +1,10 @@
+import unified = require('unified')
+import remark2rehype = require('remark-rehype')
+
+unified().use(remark2rehype)
+
+unified().use(remark2rehype, {allowDangerousHtml: true})
+
+unified().use(remark2rehype, unified())
+
+unified().use(remark2rehype, unified(), {allowDangerousHtml: true})

types/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "compilerOptions": {
+    "lib": ["es2015"],
+    "strict": true,
+    "baseUrl": ".",
+    "paths": {
+      "remark-rehype": ["index.d.ts"]
+    }
+  }
+}

types/tslint.json

@@ -0,0 +1,7 @@
+{
+  "extends": "dtslint/dtslint.json",
+  "rules": {
+    "semicolon": false,
+    "whitespace": false
+  }
+}