📁 Add new image information directory

2026-05-26 01:12:01 +08:00
parent c2e05244d1
commit 493efdba01
1 changed files with 109 additions and 0 deletions
@@ -0,0 +1,109 @@
+#!/usr/bin/env runts -- --runtime-bun
+
+import {parseArgs} from "util";
+
+const SUPPORTED_FORMATS = [".heic", ".jpeg", ".jpg", ".png", ".webp", ".gif", ".bmp", ".avif", ".tiff", ".tif"];
+
+function printUsage() {
+    console.log(`Usage: bun run show-image.ts <image1> [image2] ...
+
+Display detailed information about image files.
+
+Arguments:
+  <image> ...    Input image file(s)
+
+Options:
+  --help         Show this help message
+
+Supported formats:
+  ${SUPPORTED_FORMATS.join(", ")}
+
+Examples:
+  bun run show-image.ts photo.jpg
+  bun run show-image.ts a.jpg b.heic c.png`);
+}
+
+function formatBytes(bytes: number): string {
+    if (bytes < 1024) return `${bytes} B`;
+    if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
+    return `${(bytes / (1024 * 1024)).toFixed(2)} MB`;
+}
+
+function getFormat(ext: string): string {
+    switch (ext) {
+        case ".jpg":
+        case ".jpeg":
+            return "JPEG";
+        case ".tif":
+        case ".tiff":
+            return "TIFF";
+        default:
+            return ext.slice(1).toUpperCase();
+    }
+}
+
+async function showImage(path: string) {
+    const file = Bun.file(path);
+
+    if (!(await file.exists())) {
+        console.error(`File not found: ${path}`);
+        return false;
+    }
+
+    const ext = "." + file.name?.split(".").pop()?.toLowerCase();
+    if (!SUPPORTED_FORMATS.includes(ext)) {
+        console.error(`Unsupported format: ${ext} (${path})`);
+        return false;
+    }
+
+    const image = file.image();
+    const meta = await image.metadata();
+    const size = file.size;
+
+    console.log(`File:   ${path}`);
+    console.log(`Format: ${getFormat(ext)}`);
+    console.log(`Size:   ${formatBytes(size)} (${size.toLocaleString()} bytes)`);
+    console.log(`Dimensions: ${meta.width} x ${meta.height}`);
+    console.log(`Aspect ratio: ${(meta.width / meta.height).toFixed(2)}`);
+    console.log(`Megapixels: ${((meta.width * meta.height) / 1_000_000).toFixed(2)} MP`);
+    console.log();
+    return true;
+}
+
+async function main() {
+    const args = Bun.argv.slice(2);
+
+    if (args.length === 0 || args.includes("--help")) {
+        printUsage();
+        process.exit(0);
+    }
+
+    const {positionals} = parseArgs({args, allowPositionals: true, strict: false});
+
+    if (positionals.length === 0) {
+        console.error("Error: No input files specified.\n");
+        printUsage();
+        process.exit(1);
+    }
+
+    let successCount = 0;
+    for (const path of positionals) {
+        const ok = await showImage(path);
+        if (ok) successCount++;
+    }
+
+    if (positionals.length > 1) {
+        console.log(`Total: ${successCount}/${positionals.length} file(s) processed.`);
+    }
+
+    if (successCount === 0) {
+        process.exit(1);
+    }
+}
+
+main().catch((err) => {
+    console.error(err);
+});
+
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260526T004141+08:00.MEQCIBjY8Rshew3TyWpojRAp
+// /WewTldgEjhANbtyjw8Sn2VBAiARxfPLnmHlfkXZlVnN0lJoQmg1sqMmqouiHEjcxWQf3Q==