Move the gather exports babel plugin to its own package (gatsbyjs#121)

* new package * added tests * use new package
ChristopherBiscardi · Jun 27, 2019 · 005bbfd · 005bbfd
1 parent d6facec
commit 005bbfd
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Showing 3 changed files with 5 additions and 39 deletions.
diff --git a/packages/gatsby-plugin-mdx/package.json b/packages/gatsby-plugin-mdx/package.json
@@ -13,14 +13,14 @@
   },
   "dependencies": {
     "@babel/plugin-proposal-object-rest-spread": "^7.0.0-beta.54",
+    "babel-plugin-gather-exports": "0.0.1",
     "babel-plugin-pluck-exports": "0.0.1",
     "babel-plugin-pluck-imports": "0.0.1",
     "debug": "^3.1.0",
     "escape-string-regexp": "^1.0.5",
     "fs-extra": "^7.0.0",
     "gray-matter": "^4.0.1",
     "htmltojsx": "^0.3.0",
-    "json5": "^1.0.1",
     "lodash": "^4.17.10",
     "mdast-util-to-string": "^1.0.4",
     "mdast-util-toc": "^2.0.1",

diff --git a/packages/gatsby-plugin-mdx/utils/babel-plugin-gather-exports.js b/packages/gatsby-plugin-mdx/utils/babel-plugin-gather-exports.js
diff --git a/packages/gatsby-plugin-mdx/utils/extract-exports.js b/packages/gatsby-plugin-mdx/utils/extract-exports.js
@@ -1,17 +1,17 @@
 const babel = require("@babel/core");
 const babelReact = require("@babel/preset-react");
 const objRestSpread = require("@babel/plugin-proposal-object-rest-spread");
-const gatherExportsGenerator = require("./babel-plugin-gather-exports");
+const BabelPluginGatherExports = require("babel-plugin-gather-exports");
 
 // grab all the export values
 module.exports = code => {
-  const gatherExports = gatherExportsGenerator();
+  const instance = new BabelPluginGatherExports();
   babel.transform(code, {
     presets: [babelReact],
-    plugins: [gatherExports, objRestSpread]
+    plugins: [instance.plugin, objRestSpread]
   });
 
-  const exportedVariables = gatherExports.results();
+  const exportedVariables = instance.state.exports;
 
   // grab the frontmatter
   const {