chore: Add arm64 linux support

lib/index.js

@@ -1,21 +1,56 @@
-import fs from 'node:fs';
+import { spawn } from 'child_process';
 import process from 'node:process';
-import {fileURLToPath} from 'node:url';
-import BinWrapper from 'bin-wrapper';
 
-const pkg = JSON.parse(fs.readFileSync(new URL('../package.json', import.meta.url)));
-const url = `https://raw.githubusercontent.com/imagemin/optipng-bin/v${pkg.version}/vendor/`;
+function getArch() {
+	switch (process.arch) {
+		case 'x32':
+			return 'x86';
+		case 'x64':
+			return 'x64'
+		case 'arm':
+			return 'arm';
+		case 'arm64':
+			return 'arm64';
+		default:
+			return null;
+	}
+}
 
-const binWrapper = new BinWrapper()
-	.src(`${url}macos/optipng`, 'darwin')
-	.src(`${url}linux/x86/optipng`, 'linux', 'x86')
-	.src(`${url}linux/x64/optipng`, 'linux', 'x64')
-	.src(`${url}freebsd/x86/optipng`, 'freebsd', 'x86')
-	.src(`${url}freebsd/x64/optipng`, 'freebsd', 'x64')
-	.src(`${url}sunos/x86/optipng`, 'sunos', 'x86')
-	.src(`${url}sunos/x64/optipng`, 'sunos', 'x64')
-	.src(`${url}win/optipng.exe`, 'win32')
-	.dest(fileURLToPath(new URL('../vendor', import.meta.url)))
-	.use(process.platform === 'win32' ? 'optipng.exe' : 'optipng');
+function getPlatform() {
+	switch (process.platform) {
+		case 'darwin':
+			return 'macos';
+		case 'freebsd':
+			return 'freebsd'
+		case 'linux':
+			return 'linux';
+		case 'sunos':
+			return 'sunos';
+		case 'win32':
+			return 'win';
+		default:
+			return null;
+	}
+}
 
-export default binWrapper;
+const lib = {
+	path: function () {
+		const arch = getArch();
+		const platform = getPlatform();
+		if (!arch || !platform) {
+			return null;
+		}
+		const url = './vendor'
+		return platform == 'win'
+			? `${url}/${platform}/optipng.exe`
+			: `${url}/${platform}/${arch}/optipng`
+	},
+	dest: function () {
+		return import.meta.url;
+	},
+	run: function (args) {
+		return spawn(this.path(), args);
+	}
+}
+
+export default lib;