added option to pass handlers to hast-util-to-mdast for better control over html to markdown conversion

Author: shyamlohar

index.js

@@ -3,7 +3,6 @@ var parse = require("rehype-parse");
 var rehype2remark = require("rehype-remark");
 var stringify = require("remark-stringify");
 var mdx = require("@mdx-js/mdx");
-var toHtml = require("hast-util-to-html");
 
 const babel = require(`@babel/core`);
 const BabelPluginPluckImports = require(`babel-plugin-pluck-imports`);
@@ -12,16 +11,13 @@ const objRestSpread = require(`@babel/plugin-proposal-object-rest-spread`);
 const htmlAttrToJSXAttr = require(`./babel-plugin-html-attr-to-jsx-attr`);
 const removeExportKeywords = require(`babel-plugin-remove-export-keywords`);
 
-function iframe(h, node) {
-  return h(node, "html", toHtml(node, { space: "html" }));
-}
 
-var processor = unified()
-  .use(parse)
-  .use(rehype2remark, { handlers: { iframe } })
-  .use(stringify);
+module.exports = async (htmlInput, handlers) => {
+  const processor = unified()
+    .use(parse)
+    .use(rehype2remark, { handlers: { ...handlers } })
+    .use(stringify);
 
-module.exports = async (htmlInput) => {
   const markdown = processor.processSync(htmlInput);
   const compiledMarkdown = await mdx(markdown);
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@draftbox-co/html-to-compiled-mdx",
   "description": "Utility to convert HTML to compiled MDX, for consumption in MDX renderer.",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "main": "index.js",
   "license": "MIT",
   "dependencies": {
@@ -16,12 +16,14 @@
     "camelcase-css": "2.0.1",
     "change-case": "4.1.1",
     "hast-util-to-html": "^7.1.1",
+    "hast-util-to-mdast": "^7.1.1",
     "rehype": "11.0.0",
     "rehype-parse": "7.0.0",
     "rehype-remark": "8.0.0",
     "remark": "12.0.0",
     "style-to-object": "0.3.0",
     "unified": "9.0.0",
-    "unified-stream": "1.0.6"
+    "unified-stream": "1.0.6",
+    "unist-util-visit": "^2.0.2"
   }
 }

yarn.lock

@@ -1311,7 +1311,7 @@ hast-util-to-html@^7.1.1:
     unist-util-is "^4.0.0"
     xtend "^4.0.0"
 
-hast-util-to-mdast@^7.0.0:
+hast-util-to-mdast@^7.0.0, hast-util-to-mdast@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/hast-util-to-mdast/-/hast-util-to-mdast-7.1.1.tgz#1fc4440fc670273a1a7041584be08e5bb1d037ac"
   integrity sha512-MXD6n7sxvmg1ntpugcGAE0AD+SrZWUqlJgLjYZr93697s3TWgsrs/PGXcgk/E7mvcj4q85tZy5grsMDKzmqBxA==
@@ -2123,7 +2123,7 @@ unist-util-visit-parents@^3.0.0:
     "@types/unist" "^2.0.0"
     unist-util-is "^4.0.0"
 
-[email protected], unist-util-visit@^2.0.0:
+[email protected], unist-util-visit@^2.0.0, unist-util-visit@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/unist-util-visit/-/unist-util-visit-2.0.2.tgz#3843782a517de3d2357b4c193b24af2d9366afb7"
   integrity sha512-HoHNhGnKj6y+Sq+7ASo2zpVdfdRifhTgX2KTU3B/sO/TTlZchp7E3S4vjRzDJ7L60KmrCPsQkVK3lEF3cz36XQ==