test: add test case with unifiedjs workflow

package-lock.json

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@@ -3645,6 +3675,12 @@
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@@ -3758,12 +3794,111 @@
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@@ -3849,6 +3984,239 @@
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+    "micromark-util-symbol": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/micromark-util-symbol/-/micromark-util-symbol-1.0.1.tgz",
+      "integrity": "sha512-oKDEMK2u5qqAptasDAwWDXq0tG9AssVwAx3E9bBF3t/shRIGsWIRG+cGafs2p/SnDSOecnt6hZPCE2o6lHfFmQ==",
+      "dev": true
+    },
+    "micromark-util-types": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/micromark-util-types/-/micromark-util-types-1.0.2.tgz",
+      "integrity": "sha512-DCfg/T8fcrhrRKTPjRrw/5LLvdGV7BHySf/1LOZx7TzWZdYRjogNtyNq885z3nNallwr3QUKARjqvHqX1/7t+w==",
+      "dev": true
+    },
     "micromatch": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.4.tgz",
@@ -4704,6 +5072,52 @@
         "unified": "^10.0.0"
       }
     },
+    "remark": {
+      "version": "14.0.2",
+      "resolved": "https://registry.npmjs.org/remark/-/remark-14.0.2.tgz",
+      "integrity": "sha512-A3ARm2V4BgiRXaUo5K0dRvJ1lbogrbXnhkJRmD0yw092/Yl0kOCZt1k9ZeElEwkZsWGsMumz6qL5MfNJH9nOBA==",
+      "dev": true,
+      "requires": {
+        "@types/mdast": "^3.0.0",
+        "remark-parse": "^10.0.0",
+        "remark-stringify": "^10.0.0",
+        "unified": "^10.0.0"
+      }
+    },
+    "remark-parse": {
+      "version": "10.0.1",
+      "resolved": "https://registry.npmjs.org/remark-parse/-/remark-parse-10.0.1.tgz",
+      "integrity": "sha512-1fUyHr2jLsVOkhbvPRBJ5zTKZZyD6yZzYaWCS6BPBdQ8vEMBCH+9zNCDA6tET/zHCi/jLqjCWtlJZUPk+DbnFw==",
+      "dev": true,
+      "requires": {
+        "@types/mdast": "^3.0.0",
+        "mdast-util-from-markdown": "^1.0.0",
+        "unified": "^10.0.0"
+      }
+    },
+    "remark-rehype": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/remark-rehype/-/remark-rehype-10.1.0.tgz",
+      "integrity": "sha512-EFmR5zppdBp0WQeDVZ/b66CWJipB2q2VLNFMabzDSGR66Z2fQii83G5gTBbgGEnEEA0QRussvrFHxk1HWGJskw==",
+      "dev": true,
+      "requires": {
+        "@types/hast": "^2.0.0",
+        "@types/mdast": "^3.0.0",
+        "mdast-util-to-hast": "^12.1.0",
+        "unified": "^10.0.0"
+      }
+    },
+    "remark-stringify": {
+      "version": "10.0.2",
+      "resolved": "https://registry.npmjs.org/remark-stringify/-/remark-stringify-10.0.2.tgz",
+      "integrity": "sha512-6wV3pvbPvHkbNnWB0wdDvVFHOe1hBRAx1Q/5g/EpH4RppAII6J8Gnwe7VbHuXaoKIF6LAg6ExTel/+kNqSQ7lw==",
+      "dev": true,
+      "requires": {
+        "@types/mdast": "^3.0.0",
+        "mdast-util-to-markdown": "^1.0.0",
+        "unified": "^10.0.0"
+      }
+    },
     "require-from-string": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
@@ -5419,6 +5833,15 @@
         "vfile": "^5.0.0"
       }
     },
+    "unist-builder": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/unist-builder/-/unist-builder-3.0.0.tgz",
+      "integrity": "sha512-GFxmfEAa0vi9i5sd0R2kcrI9ks0r82NasRq5QHh2ysGngrc6GiqD5CDf1FjPenY4vApmFASBIIlk/jj5J5YbmQ==",
+      "dev": true,
+      "requires": {
+        "@types/unist": "^2.0.0"
+      }
+    },
     "unist-util-filter": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/unist-util-filter/-/unist-util-filter-4.0.0.tgz",
@@ -5429,11 +5852,26 @@
         "unist-util-visit-parents": "^5.0.0"
       }
     },
+    "unist-util-generated": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/unist-util-generated/-/unist-util-generated-2.0.0.tgz",
+      "integrity": "sha512-TiWE6DVtVe7Ye2QxOVW9kqybs6cZexNwTwSMVgkfjEReqy/xwGpAXb99OxktoWwmL+Z+Epb0Dn8/GNDYP1wnUw==",
+      "dev": true
+    },
     "unist-util-is": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/unist-util-is/-/unist-util-is-5.1.1.tgz",
       "integrity": "sha512-F5CZ68eYzuSvJjGhCLPL3cYx45IxkqXSetCcRgUXtbcm50X2L9oOWQlfUfDdAf+6Pd27YDblBfdtmsThXmwpbQ=="
     },
+    "unist-util-position": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/unist-util-position/-/unist-util-position-4.0.3.tgz",
+      "integrity": "sha512-p/5EMGIa1qwbXjA+QgcBXaPWjSnZfQ2Sc3yBEEfgPwsEmJd8Qh+DSk3LGnmOM4S1bY2C0AjmMnB8RuEYxpPwXQ==",
+      "dev": true,
+      "requires": {
+        "@types/unist": "^2.0.0"
+      }
+    },
     "unist-util-stringify-position": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/unist-util-stringify-position/-/unist-util-stringify-position-3.0.0.tgz",
@@ -5602,6 +6040,12 @@
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
       "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
       "dev": true
+    },
+    "zwitch": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-2.0.2.tgz",
+      "integrity": "sha512-JZxotl7SxAJH0j7dN4pxsTV6ZLXoLdGME+PsjkL/DaBrVryK9kTGq06GfKrwcSOqypP+fdXGoCHE36b99fWVoA==",
+      "dev": true
     }
   }
 }

package.json

@@ -75,6 +75,8 @@
     "microbundle": "^0.14.1",
     "prettier": "^2.3.2",
     "rehype": "^12.0.0",
+    "remark": "^14.0.2",
+    "remark-rehype": "^10.1.0",
     "typescript": "4.4.3",
     "unified": "^10.1.0",
     "uvu": "^0.5.1"

test.js

@@ -2,6 +2,10 @@ import { test } from 'uvu'
 import * as assert from 'uvu/assert'
 import { visit } from 'unist-util-visit'
 import { rehype } from 'rehype'
+import { unified } from 'unified'
+import remarkParse from 'remark-parse'
+import remarkRehype from 'remark-rehype'
+import rehypeStringify from 'rehype-stringify'
 import dedent from 'dedent'
 import rehypePrism from './index.js'
 
@@ -28,6 +32,17 @@ const processHtml = (html, options, metastring) => {
     .toString()
 }
 
+const processHtmlUnified = (html, options, metastring) => {
+  return unified()
+    .use(remarkParse)
+    .use(remarkRehype, {})
+    .use(addMeta, metastring)
+    .use(rehypePrism, options)
+    .use(rehypeStringify)
+    .processSync(html)
+    .toString()
+}
+
 test('adds a code-highlight class to the code and pre tag', () => {
   const result = processHtml(dedent`
     <pre><code class="language-py"></code></pre>
@@ -368,4 +383,18 @@ z = 10
   assert.ok(result.includes(`<span class="code-line">`))
 })
 
+test('works as a remarkjs / unifiedjs plugin', () => {
+  const result = processHtmlUnified(
+    dedent`
+    ~~~jsx
+    <Component/>
+    ~~~
+  `,
+    { ignoreMissing: true }
+  )
+  const expected = dedent`<pre class="language-jsx"><code class="language-jsx code-highlight"><span class="code-line"><span class="token tag"><span class="token tag"><span class="token punctuation">&#x3C;</span><span class="token class-name">Component</span></span><span class="token punctuation">/></span></span>
+  </span></code></pre>`
+  assert.is(result, expected)
+})
+
 test.run()