Add error handler to handle missing host

Author: bidoubiwa

controllers/meilisearch.js

@@ -29,7 +29,8 @@ async function sendCtx (ctx, fct) {
 
 async function getHookedCollections () {
   const store = await meilisearch.store()
-  return await store.getStoreKey('meilisearch_hooked')
+  const hookedCollections = await store.getStoreKey('meilisearch_hooked')
+  return hookedCollections || []
 }
 
 async function getCredentials () {

services/client.js

@@ -1,5 +1,16 @@
 'use strict'
-
 const { MeiliSearch } = require('meilisearch')
 
-module.exports = (config) => new MeiliSearch(config)
+const MeiliSearchError = () => strapi.plugins.meilisearch.services.error
+
+module.exports = (config) => {
+  try {
+    return new MeiliSearch(config)
+  } catch (e) {
+    throw new (MeiliSearchError())({
+      message: 'Please provide a valid host for your MeiliSearch instance',
+      link:
+          'https://docs.meilisearch.com/learn/getting_started/installation.html#download-and-launch'
+    })
+  }
+}

services/error.js

@@ -0,0 +1,16 @@
+class MeiliSearchError extends Error {
+  constructor ({ message = 'Something went wrong with MeiliSearch', title = 'Operation on MeiliSearch failed', link }, ...params) {
+    super(...params)
+
+    if (Error.captureStackTrace) {
+      Error.captureStackTrace(this, MeiliSearchError)
+    }
+    this.name = 'MeiliSearchError'
+    this.type = 'MeiliSearchError'
+    this.message = message
+    this.title = title
+    this.link = link
+  }
+}
+
+module.exports = MeiliSearchError