test cache plugin for Netlify

plugins/netlify-plugin-cache/index.js

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+// Based on https://github.com/cdeleeuwe/netlify-plugin-hugo-cache-resources/blob/master/index.js
+
+module.exports = {
+  async onPreBuild({ utils, inputs }) {
+    const paths = JSON.parse(inputs.paths);
+    const success = await utils.cache.restore(paths);
+
+    if (success) {
+      const cachedFiles = await utils.cache.list(paths);
+      console.log(`Restored cache of '${paths}', totaling ${cachedFiles.length} files.`);
+    } else {
+      console.log(`A cache of '${paths}' doesn't exist (yet).`);
+    }
+  },
+
+  async onPostBuild({ utils, inputs }) {
+    const paths = JSON.parse(inputs.paths);
+    const success = await utils.cache.save(paths);
+
+    if (success) {
+      const cachedFiles = await utils.cache.list(paths);
+      console.log(`Successfully cached '${paths}', totaling ${cachedFiles.length} files.`);
+    } else {
+      console.log(`Couldn't cache '${paths}'.`);
+    }
+  }
+};

plugins/netlify-plugin-cache/manifest.yml

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+name: netlify-plugin-cache
+inputs:
+- name: paths
+  description: Array of directories to cache between builds.