fix: don't split codeblocks with blank lines (#13)

unjs · Jul 22, 2021 · 85feb2f · 85feb2f
1 parent 1fd2b35
commit 85feb2f
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Showing 2 changed files with 37 additions and 1 deletion.
diff --git a/src/loader/babel.ts b/src/loader/babel.ts
@@ -115,11 +115,19 @@ export default function babelPluginUntyped () {
   }
 }
 
+function containsIncompleteCodeblock (line = '') {
+  const codeDelimiters = line.split('\n').filter(line => line.startsWith('```')).length
+  return !!(codeDelimiters % 2)
+}
+
 function clumpLines (lines: string[], delimiters = [], separator = ' ') {
   const clumps: string[] = []
   while (lines.length) {
     const line = lines.shift()
-    if (line && !delimiters.includes(line[0]) && clumps.length && clumps[clumps.length - 1]) {
+    if (
+      (line && !delimiters.includes(line[0]) && clumps[clumps.length - 1]) ||
+      containsIncompleteCodeblock(clumps[clumps.length - 1])
+    ) {
       clumps[clumps.length - 1] += separator + line
     } else {
       clumps.push(line)

diff --git a/test/transform.test.ts b/test/transform.test.ts
@@ -184,6 +184,34 @@ describe('transform (jsdoc)', () => {
       }
     })
   })
+
+  it('does not split within a codeblock', () => {
+    const result = transform(`
+      export default {
+        /**
+         * @example
+         * \`\`\`js
+         * export default secretNumber = 42
+         *
+         * export default nothing = null
+         * \`\`\`
+         */
+        srcDir: 'src'
+      }
+    `)
+    expectCodeToMatch(result, /export default ([\s\S]*)$/, {
+      srcDir: {
+        $default: 'src',
+        $schema: {
+          title: '',
+          description: '',
+          tags: [
+            '@example\n```js\nexport default secretNumber = 42\n\nexport default nothing = null\n```'
+          ]
+        }
+      }
+    })
+  })
 })
 
 function expectCodeToMatch (code: string, pattern: RegExp, expected: any) {