feat(cli): add helpful message when scripts are not found

denosaurs · May 22, 2020 · fe287d8 · fe287d8
1 parent 4887d6b
commit fe287d8
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Showing 2 changed files with 29 additions and 6 deletions.
diff --git a/src/cli.ts b/src/cli.ts
@@ -6,12 +6,13 @@ import {
   bold,
   gray,
   blue,
+  reset,
   setColorEnabled,
   grant,
   exists,
 } from "../deps.ts";
 
-import { DenonConfig, writeConfig } from "./config.ts";
+import { DenonConfig, writeConfig, getConfigFilename } from "./config.ts";
 import { Runner } from "./runner.ts";
 
 /**
@@ -41,7 +42,7 @@ const PERMISSION_OPTIONAL: { [key: string]: Deno.PermissionDescriptor[] } = {
 
 export async function grantPermissions() {
   // @see PERMISSIONS .
-  let permissions = await grant(PERMISSIONS);
+  let permissions = await grant([...PERMISSIONS]);
   if (!permissions || permissions.length < 2) {
     log.critical("Required permissions `read` and `run` not granted");
     Deno.exit(1);
@@ -95,6 +96,20 @@ export function printAvailableScripts(config: DenonConfig) {
     console.log(
       `You can run scripts with \`${blue("denon")} ${yellow("<script>")}\``,
     );
+  } else {
+    log.error("It looks like you don't have any scripts...");
+    const config = getConfigFilename();
+    if (config) {
+      log.info(
+        `You can add scripts to your \`${config}\` file. Check the docs.`,
+      );
+    } else {
+      log.info(
+        `You can create a config to add scripts to with \`${blue("denon")} ${
+          yellow("--init")
+        }${reset("\`.")}`,
+      );
+    }
   }
 }
 

diff --git a/src/config.ts b/src/config.ts
@@ -53,7 +53,7 @@ export const DEFAULT_DENON_CONFIG: DenonConfig = {
   scripts: {},
   watcher: {
     interval: 350,
-    paths: [Deno.cwd()],
+    paths: [],
     exts: ["ts", "js", "json"],
     match: ["*.*"],
     skip: ["**/.git/**"],
@@ -82,15 +82,23 @@ export function cleanConfig(
   return config;
 }
 
+/**
+ * Returns, if exists, the config filename
+ */
+export function getConfigFilename(): string | undefined {
+  return configs.find((filename) => {
+    return existsSync(filename);
+  });
+}
+
 /**
  * Reads the denon config from a file
  */
 export async function readConfig(
-  file: string | undefined = configs.find((filename) => {
-    return existsSync(filename);
-  }),
+  file: string | undefined = getConfigFilename(),
 ): Promise<DenonConfig> {
   let config: DenonConfig = DEFAULT_DENON_CONFIG;
+  config.watcher.paths.push(Deno.cwd());
 
   if (file) {
     try {