test cache plugin default [skip ci]

netlify.toml

@@ -39,9 +39,9 @@
 
 # Cache resoures between builds, see plugins/netlify-plugin-cache/index.js
 [[plugins]]
-  package = "netlify-plugin-cache"
-  [plugins.inputs]
-    paths = ["resources", "_vendor"]
+  package = "./plugins/netlify-plugin-cache"
+#  [plugins.inputs]
+#    paths = ["resources", "_vendor"]
 [[plugins]]
   package = "netlify-plugin-debug-cache"
 

plugins/netlify-plugin-cache/index.js

@@ -0,0 +1,33 @@
+// https://github.com/netlify/build/blob/master/packages/cache-utils/README.md
+
+module.exports = {
+  // try to restore cache before build begins, if it exists
+  onPreBuild: async ({ utils: { cache }, inputs }) => {
+    if (await cache.restore(inputs.paths)) {
+      const files = await cache.list(inputs.paths)
+      console.log(`Successfully restored: ${inputs.paths.join(', ')} ... ${files.length} files in total.`)
+    } else {
+      console.log(`A cache of '${inputs.paths.join(', ')}' doesn't exist (yet).`)
+    }
+  },
+
+  // only save/update cache if build was successful
+  onSuccess: async ({ utils: { cache, status }, inputs }) => {
+    if (await cache.save(inputs.paths)) {
+      const files = await cache.list(inputs.paths)
+      console.log(`Successfully cached: ${inputs.paths.join(', ')} ... ${files.length} files in total.`)
+
+      // show success & more detail in deploy summary
+      status.show({
+        title: `${files.length} files cached`,
+        summary: 'These will be restored on the next build! ⚡',
+        text: `${inputs.paths.join(', ')}`,
+      })
+    } else {
+      // this probably happened because the default `paths` is set, so provide instructions to fix
+      console.log(`Attempted to cache: ${inputs.paths.join(', ')} ... but failed. :(`)
+      console.log(`Try setting the 'paths' input appropriately in your netlify.toml or netlify.yml.`)
+      console.log(`More details: https://jrvs.io/netlify-cache-usage`)
+    }
+  },
+}

plugins/netlify-plugin-cache/manifest.yml

@@ -0,0 +1,5 @@
+name: netlify-plugin-cache
+inputs:
+- name: paths
+  description: Array of files and/or directories to cache between builds.
+  default: [".cache"]