Add support for React 17

Author: rexxars

package.json

@@ -39,18 +39,18 @@
   "dependencies": {
     "@types/mdast": "^3.0.3",
     "@types/unist": "^2.0.3",
-    "html-to-react": "^1.3.4",
+    "html-to-react": "^1.4.5",
     "mdast-add-list-metadata": "1.0.1",
     "prop-types": "^15.7.2",
-    "react-is": "^16.8.6",
+    "react-is": "^17.0.0",
     "remark-parse": "^9.0.0",
     "unified": "^9.0.0",
     "unist-util-visit": "^2.0.0",
     "xtend": "^4.0.1"
   },
   "peerDependencies": {
     "@types/react": "^15.0.0 || ^16.0.0",
-    "react": "^15.0.0 || ^16.0.0"
+    "react": ">=16"
   },
   "devDependencies": {
     "@babel/cli": "^7.0.0",
@@ -64,21 +64,21 @@
     "@rollup/plugin-replace": "^2.0.0",
     "@types/react": "^16.0.0",
     "@types/react-dom": "^16.0.0",
+    "@wojtekmaj/enzyme-adapter-react-17": "^0.1.1",
     "babel-plugin-transform-react-remove-prop-types": "^0.4.24",
     "dtslint": "^4.0.0",
     "enzyme": "^3.10.0",
-    "enzyme-adapter-react-16": "^1.0.0",
     "eslint": "^7.0.0",
     "eslint-config-prettier": "^6.0.0",
     "eslint-config-sanity": "^4.0.0",
     "eslint-plugin-react": "^7.0.0",
     "jest": "^26.0.0",
     "npm-run-all": "^4.0.0",
     "prettier": "^2.0.0",
-    "react": "^16.0.0",
-    "react-dom": "^16.0.0",
     "react-katex": "^2.0.0",
-    "react-test-renderer": "^16.0.0",
+    "react": "^17.0.0",
+    "react-dom": "^17.0.0",
+    "react-test-renderer": "^17.0.0",
     "remark-cli": "^9.0.0",
     "remark-gfm": "^1.0.0",
     "remark-math": "^4.0.0",

test/react-markdown.test.js

@@ -1,7 +1,7 @@
 /* eslint-env jest */
 /* eslint-disable react/prop-types */
 const Enzyme = require('enzyme')
-const Adapter = require('enzyme-adapter-react-16')
+const Adapter = require('@wojtekmaj/enzyme-adapter-react-17')
 const fs = require('fs')
 const path = require('path')
 const React = require('react')