First implementation of Plimi

src/tools/timestamp-converter/run.ts

@@ -0,0 +1,77 @@
+import type { ToolInput } from "../../core/io/input-types";
+import type { ToolResult } from "../../core/io/output-types";
+import type { ToolContext } from "../../core/plugins/plugin-types";
+import type { TimestampOptions } from "./index";
+
+export async function runTimestampConverter(
+  input: ToolInput,
+  options: TimestampOptions,
+  context?: ToolContext
+): Promise<ToolResult> {
+  void context;
+
+  const text = (input.text || "").trim();
+  if (!text) {
+    throw new Error("No input provided.");
+  }
+
+  if (options.mode === "timestamp-to-date") {
+    let ts = Number(text);
+    if (isNaN(ts)) {
+      throw new Error("Invalid timestamp. Enter a numeric Unix timestamp.");
+    }
+
+    if (options.unit === "seconds") {
+      ts = ts * 1000;
+    }
+
+    const date = new Date(ts);
+    if (isNaN(date.getTime())) {
+      throw new Error("Invalid timestamp value.");
+    }
+
+    return {
+      type: "json",
+      value: {
+        input: text,
+        iso: date.toISOString(),
+        utc: date.toUTCString(),
+        local: date.toLocaleString(),
+        date: date.toISOString().split("T")[0],
+        time: date.toISOString().split("T")[1].replace("Z", ""),
+        unixSeconds: Math.floor(date.getTime() / 1000),
+        unixMillis: date.getTime(),
+        dayOfWeek: date.toLocaleDateString("en-US", { weekday: "long" }),
+      },
+    };
+  } else {
+    let date: Date;
+    if (/^\d{4}-\d{2}-\d{2}(T|\s)/.test(text)) {
+      date = new Date(text);
+    } else {
+      date = new Date(text);
+    }
+
+    if (isNaN(date.getTime())) {
+      throw new Error("Invalid date string. Use ISO 8601 format like 2024-01-15T12:00:00Z.");
+    }
+
+    const unixSeconds = Math.floor(date.getTime() / 1000);
+    const unixMillis = date.getTime();
+
+    return {
+      type: "json",
+      value: {
+        input: text,
+        iso: date.toISOString(),
+        utc: date.toUTCString(),
+        unixSeconds: options.unit === "seconds" ? unixSeconds : undefined,
+        unixMillis: options.unit === "milliseconds" ? unixMillis : undefined,
+        both: {
+          seconds: unixSeconds,
+          milliseconds: unixMillis,
+        },
+      },
+    };
+  }
+}