Add support for CSV and TSV input formats in table command

src/cli/commands/table.ts

@@ -1,14 +1,28 @@
 // SPDX-License-Identifier: MIT
 
-import { readJsonFromStdin } from "../utils.ts";
+import { readCsvFromStdin, readJsonFromStdin } from "../utils.ts";
+
+import type { CommandValues } from "./types.ts";
 
 export function usageTable(): string {
-  return `Usage: sk-az-tools table [--header|-H <definition|auto|a|original|o>] [global options]
+  return `Usage: sk-az-tools table [--from|-F <json|csv|tsv>] [--header|-H <definition|auto|a|original|o>] [global options]
 
 Options:
-  -H, --header <value>       Header mode: auto|a (default), original|o, or "col1, col2" or "key1: Label 1, key2: Label 2"`;
+  --from, -F <json|csv|tsv>  Input format on stdin (default: json)
+  --header, -H <value>       Header mode: auto|a (default), original|o, or "col1, col2" or "key1: Label 1, key2: Label 2"`;
 }
 
-export async function runTableCommand(): Promise<unknown> {
-  return readJsonFromStdin();
+export async function runTableCommand(values: CommandValues): Promise<unknown> {
+  const from = (values.from ?? "json").toString().trim().toLowerCase();
+  if (from === "json") {
+    return readJsonFromStdin();
+  }
+  if (from === "csv") {
+    return readCsvFromStdin(",");
+  }
+  if (from === "tsv") {
+    return readCsvFromStdin("\t");
+  }
+
+  throw new Error(`Invalid --from '${values.from}'. Allowed: json, csv, tsv`);
 }

src/cli/commands/types.ts

@@ -3,6 +3,7 @@
 export type CommandValues = {
   [key: string]: string | boolean | undefined;
   type?: string;
+  from?: string;
   method?: string;
   url?: string;
   header?: string;