deno: use yargs in manage-service.

1 files changed, 38 insertions, 35 deletions

diff --git a/deno/tools/manage-service.ts b/deno/tools/manage-service.ts
index 45e09ec..148f55a 100644
--- a/deno/tools/manage-service.ts
+++ b/deno/tools/manage-service.ts
@@ -1,39 +1,42 @@
-import { parseArgs } from "@std/cli";
-import { TemplateDir } from "./template.ts";
 import { join } from "@std/path";
+// @ts-types="npm:@types/yargs"
+import yargs from "yargs";
 
-if (import.meta.main) {
-  const args = parseArgs(Deno.args, {
-    string: ["project-dir"],
-    boolean: ["no-dry-run"],
-  });
-
-  if (args._.length === 0) {
-    throw new Error("You must specify a command.");
-  }
-
-  const projectDir = args["project-dir"];
-  if (projectDir == null) {
-    throw new Error("You must specify project-dir.");
-  }
-
-  const command = String(args._[0]);
+import { TemplateDir } from "./template.ts";
 
-  switch (command) {
-    case "gen-tmpl":
-      new TemplateDir(
-        join(projectDir, "services/templates"),
-      ).generateWithVariableFiles(
-        [
-          join(projectDir, "data/config"),
-          join(projectDir, "services/config.template"),
-        ],
-        args["no-dry-run"] === true
-          ? join(projectDir, "services/generated")
-          : undefined,
-      );
-      break;
-    default:
-      throw new Error(command + " is not a valid command.");
-  }
+if (import.meta.main) {
+  await yargs(Deno.args)
+    .scriptName("manage-service")
+    .option("project-dir", {
+      type: "string",
+    })
+    .demandOption("project-dir")
+    .command({
+      command: "gen-tmpl",
+      describe: "generate files for templates",
+      builder: (builder) => {
+        return builder
+          .option("dry-run", {
+            type: "boolean",
+            default: true,
+          })
+          .strict();
+      },
+      handler: (argv) => {
+        const { projectDir, dryRun } = argv;
+        new TemplateDir(
+          join(projectDir, "services/templates"),
+        ).generateWithVariableFiles(
+          [
+            join(projectDir, "data/config"),
+            join(projectDir, "services/config.template"),
+          ],
+          dryRun ? undefined : join(projectDir, "services/generated"),
+        );
+      },
+    })
+    .demandCommand(1, "One command must be specified.")
+    .help()
+    .strict()
+    .parse();
 }