move cache into folder

.gitignore

@@ -1,5 +1,4 @@
 node_modules
 __tests__/fixtures/*/.next
-__tests__/fixtures/*/.mdx-data
 __tests__/fixtures/*/out
 .DS_Store

README.md

@@ -37,17 +37,6 @@ Install the package:
 $ npm install next-mdx-enhanced
 ```
 
-Open the `.gitgnore` file and add the `.mdx-data` directory:
-
-```shell
-# .gitignore
-
-# Ignore next-mdx-enhanced cache directory
-.mdx-data
-```
-
-This directory is populated with cache files as an optimization.
-
 ## Usage & Options
 
 Open the `next.config.js` file and instantiate it as a Next.js plugin:

__tests__/__snapshots__/babelPlugin.js.snap

@@ -1,7 +1,7 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`transforms as intended 1`] = `
-"import something from \\"PATH/TO/NEXT/PROJECT/.mdx-data/9edc110b0a5f0cf4742677e8539f30c9.json\\";
+"import something from \\"PATH/TO/NEXT/PROJECT/.next/cache/mdx-data/9edc110b0a5f0cf4742677e8539f30c9.json\\";
 import a, { c as d } from './foo.mdx';
-import b from \\"PATH/TO/NEXT/PROJECT/.mdx-data/9edc110b0a5f0cf4742677e8539f30c9.json\\";"
+import b from \\"PATH/TO/NEXT/PROJECT/.next/cache/mdx-data/9edc110b0a5f0cf4742677e8539f30c9.json\\";"
 `;

__tests__/integration.js

@@ -121,7 +121,6 @@ test('options.onContent', async () => {
 afterAll(() => {
   return Promise.all([
     rmfr(path.join(__dirname, 'fixtures/*/out'), { glob: true }),
-    rmfr(path.join(__dirname, 'fixtures/*/.mdx-data'), { glob: true }),
     rmfr(path.join(__dirname, 'fixtures/*/.next'), { glob: true }),
   ])
 })

index.js

@@ -31,9 +31,9 @@ module.exports = (pluginOptions = {}) => (nextConfig = {}) => {
     pluginOptions.extendFrontMatter.phase = 'both'
   }
 
-  if (!pluginOptions.usesSrc) pluginOptions.usesSrc = fs.existsSync(`src/pages`);
+  if (!pluginOptions.usesSrc) pluginOptions.usesSrc = fs.existsSync(`src/pages`)
 
-  pluginOptions.pagesDir = pluginOptions.usesSrc? `src/pages` : `pages`;
+  pluginOptions.pagesDir = pluginOptions.usesSrc ? `src/pages` : `pages`
 
   return Object.assign({}, nextConfig, {
     webpack(config, options) {
@@ -77,7 +77,9 @@ module.exports = (pluginOptions = {}) => (nextConfig = {}) => {
           files: {
             pattern:
               pluginOptions.fileExtensions.length > 1
-                ? `${pluginOptions.pagesDir}/**/*.{${pluginOptions.fileExtensions.join(',')}}`
+                ? `${
+                    pluginOptions.pagesDir
+                  }/**/*.{${pluginOptions.fileExtensions.join(',')}}`
                 : `${pluginOptions.pagesDir}/**/*.${pluginOptions.fileExtensions[0]}`,
             options: { cwd: config.context },
             addFilesAsDependencies: true,
@@ -142,9 +144,9 @@ async function extractFrontMatter(
   // TODO: remove this catch once this issue has been resolved
   // https://github.com/zeit/next.js/issues/8068
   debug('finish: frontmatter extensions')
-  debug('start: .mdx-data creation')
+  debug('start: mdx-data cache creation')
   await Promise.all(fmPaths.map((fmPath) => fs.ensureDir(path.dirname(fmPath))))
-  debug('finish: .mdx-data creation')
+  debug('finish: mdx-data cache creation')
   debug('start: write data files')
   return Promise.all(
     frontMatter.map((content, idx) => {

util.js

@@ -21,7 +21,7 @@ function generateFrontmatterPath(filePath, root) {
   return normalizeToUnixPath(
     path.join(
       root,
-      '.mdx-data',
+      '.next/cache/mdx-data',
       `${md5(filePathNormalized.replace(dirnameNormalized, ''))}.json`
     )
   )