first commit

build/node_modules/guetzli/lib/index.js

@@ -0,0 +1,13 @@
+'use strict';
+const path = require('path');
+const BinWrapper = require('bin-wrapper');
+const pkg = require('../package.json');
+
+const url = `https://raw.githubusercontent.com/imagemin/guetzli-bin/v${pkg.version}/vendor/`;
+
+module.exports = new BinWrapper()
+	.src(`${url}macos/guetzli`, 'darwin')
+	.src(`${url}linux/guetzli`, 'linux')
+	.src(`${url}win/guetzli.exe`, 'win32')
+	.dest(path.resolve(__dirname, '../vendor'))
+	.use(process.platform === 'win32' ? 'guetzli.exe' : 'guetzli');

build/node_modules/guetzli/lib/install.js

@@ -0,0 +1,28 @@
+'use strict';
+const BinBuild = require('bin-build');
+const log = require('logalot');
+const bin = require('.');
+
+bin.run(['--version'], err => {
+	if (err) {
+		log.warn(err.message);
+		log.warn('guetzli pre-build test failed');
+		log.info('compiling from source');
+
+		const builder = new BinBuild()
+			.src('https://github.com/google/guetzli/archive/v1.0.1.tar.gz')
+			.cmd(`mkdir -p ${bin.dest()}`)
+			.cmd(`make && mv bin/Release/${bin.use()} ${bin.path()}`);
+
+		return builder.run(err => {
+			if (err) {
+				log.error(err.stack);
+				return;
+			}
+
+			log.success('guetzli built successfully');
+		});
+	}
+
+	log.success('guetzli pre-build test passed successfully');
+});