first commit

build/node_modules/mozjpeg/lib/index.js

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

build/node_modules/mozjpeg/lib/install.js

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+'use strict';
+const os = require('os');
+const BinBuild = require('bin-build');
+const log = require('logalot');
+const bin = require('.');
+
+const cpuNum = os.cpus().length;
+
+bin.run(['-version'], err => {
+	if (err) {
+		log.warn(err.message);
+		log.warn('mozjpeg pre-build test failed');
+		log.info('compiling from source');
+
+		let cfgExtras = '';
+		if (process.platform === 'darwin') {
+			cfgExtras = 'libpng_LIBS=\'/usr/local/lib/libpng16.a -lz\' --enable-static';
+		}
+
+		const cfg = [
+			`./configure --disable-shared --disable-dependency-tracking --with-jpeg8 ${cfgExtras}`,
+			`--prefix="${bin.dest()}" --bindir="${bin.dest()}" --libdir="${bin.dest()}"`
+		].join(' ');
+
+		const builder = new BinBuild()
+			.src('https://github.com/mozilla/mozjpeg/releases/download/v3.2/mozjpeg-3.2-release-source.tar.gz')
+			.cmd('autoreconf -fiv')
+			.cmd(cfg)
+			.cmd(`make -j${cpuNum}`)
+			.cmd(`make install -j${cpuNum}`);
+
+		return builder.run(err => {
+			if (err) {
+				log.error(err.stack);
+				return;
+			}
+
+			log.success('mozjpeg built successfully');
+		});
+	}
+
+	log.success('mozjpeg pre-build test passed successfully');
+});