first commit

build/node_modules/node-zopfli/bin/zopfli

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+#!/usr/bin/env node
+
+'use strict';
+
+var program = require('commander');
+var fs = require('fs');
+var zopfli = require('../lib/zopfli');
+
+program
+  .version(require('../package.json').version)
+  .usage('[options] [files...]')
+  .option('--deflate', 'raw deflate (without container)')
+  .option('--zlib', 'deflate using zlib container')
+  .option('--gzip', 'deflate using gzip container')
+  .option('-e, --ext <s>', 'overwrite default file extension')
+  .option('-i, --iterations <n>', 'number of iterations (higher = smaller = slower)', parseInt)
+  .option('-v, --verbose', 'Verbose')
+  .parse(process.argv);
+
+var options = {
+  verbose: false,
+  verbose_more: false,
+  numiterations: 15,
+  blocksplitting: true,
+  blocksplittinglast: false,
+  blocksplittingmax: 15
+};
+
+if (program.iterations) options.numiterations = parseInt(program.iterations, 10);
+if (program.verbose) options.verbose = program.verbose;
+
+var method = zopfli.createGzip;
+var extension = 'gz';
+
+if (program.deflate) {
+  method = zopfli.createDeflate;
+  extension = 'deflate';
+}
+if (program.zlib) {
+  method = zopfli.createZlib;
+  extension = 'zlib';
+}
+if (program.ext) {
+  extension = program.ext;
+}
+
+if (program.args.length === 0) {
+  program.outputHelp();
+  process.exit(1);
+} else {
+  Promise.all(
+    program.args.map(function(item) {
+      return new Promise(function(resolve, reject) {
+        fs.createReadStream(item)
+          .on('error', reject)
+          .pipe(new method(options))
+          .on('error', reject)
+          .pipe(fs.createWriteStream(item + '.' + extension))
+          .on('error', reject)
+          .on('finish', resolve);
+      });
+    })
+  );
+}

build/node_modules/node-zopfli/bin/zopflipng

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+#!/usr/bin/env node
+
+'use strict';
+
+var program = require('commander');
+var fs = require('fs');
+var binary = require('node-pre-gyp');
+var path = require('path');
+var binding_path = binary.find(path.join(__dirname, '../package.json'));
+var zopfli = require(binding_path);
+
+program
+  .version(require('../package.json').version)
+  .usage('[options] file destfile')
+  .option('--lossy_transparent', 'Allow altering hidden colors of fully transparent pixels')
+  .option('--lossy', 'Convert 16-bit per channel images to 8-bit per channel')
+  .option('--filter_strategies', 'Filter strategies to try : "zero", "one", "two", "three", "four", "minimum", "entropy", "predefined", "brute", if none, it will be guessed automatically')
+  .option('--keepchunks', 'Chunks to keep')
+  .option('--iterations=<n>', 'Number of iterations for small images < 200 KiB', parseInt)
+  .option('--iterations_large=<n>', 'Number of iterations for large images > 200 KiB', parseInt)
+  .parse(process.argv);
+
+var options = {
+  lossy_transparent: false,
+  lossy_8bit: false,
+  filter_strategies: [],
+  auto_filter_strategy: true,
+  keepchunks: [],
+  use_zopfli: true,
+  num_iterations: 15,
+  num_iterations_large: 5,
+  block_split_strategy: 'both'  // Split chunk strategy none, first, last, both
+};
+
+options.lossy_transparent = !!program.lossy_transparent;
+options.lossy_8bit = !!program.lossy;
+// if (program.filter_strategies) options.filter_strategies = []; //TODO
+// if (program.keepchunks) options.keepchunks = []; //TODO
+options.num_iterations = program.iterations || options.num_iterations;
+options.num_iterations_large = program.iterations_large || options.num_iterations_large;
+
+if (typeof program.args[0] !== 'string') {
+  console.log('You must provide a file to compress');
+  process.exit(1);
+}
+if (typeof program.args[1] !== 'string') {
+  console.log('You must provide a destination file');
+  process.exit(1);
+}
+
+if (fs.existsSync(program.args[0])) {
+  zopfli.pngcompress(program.args[0], program.args[1], options);
+} else {
+  console.log('File ' + program.args[0] + ' doesn\'t exist');
+  process.exit(1);
+}