first commit

build/node_modules/imagemin-webp/index.js

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+'use strict';
+const execBuffer = require('exec-buffer');
+const isCwebpReadable = require('is-cwebp-readable');
+const cwebp = require('cwebp-bin');
+
+module.exports = opts => buf => {
+	opts = Object.assign({}, opts);
+
+	if (!Buffer.isBuffer(buf)) {
+		return Promise.reject(new TypeError('Expected a buffer'));
+	}
+
+	if (!isCwebpReadable(buf)) {
+		return Promise.resolve(buf);
+	}
+
+	const args = [
+		'-quiet',
+		'-mt'
+	];
+
+	if (opts.preset) {
+		args.push('-preset', opts.preset);
+	}
+
+	if (opts.quality) {
+		args.push('-q', opts.quality);
+	}
+
+	if (opts.alphaQuality) {
+		args.push('-alpha_q', opts.alphaQuality);
+	}
+
+	if (opts.method) {
+		args.push('-m', opts.method);
+	}
+
+	if (opts.size) {
+		args.push('-size', opts.size);
+	}
+
+	if (opts.sns) {
+		args.push('-sns', opts.sns);
+	}
+
+	if (opts.filter) {
+		args.push('-f', opts.filter);
+	}
+
+	if (opts.autoFilter) {
+		args.push('-af');
+	}
+
+	if (opts.sharpness) {
+		args.push('-sharpness', opts.sharpness);
+	}
+
+	if (opts.lossless) {
+		args.push('-lossless');
+	}
+
+	if (opts.nearLossless) {
+		args.push('-near_lossless', opts.nearLossless);
+	}
+
+	if (opts.crop) {
+		args.push('-crop', opts.crop.x, opts.crop.y, opts.crop.width, opts.crop.height);
+	}
+
+	if (opts.resize) {
+		args.push('-resize', opts.resize.width, opts.resize.height);
+	}
+
+	args.push('-o', execBuffer.output, execBuffer.input);
+
+	return execBuffer({
+		input: buf,
+		bin: cwebp,
+		args
+	}).catch(err => {
+		err.message = err.stderr || err.message;
+		throw err;
+	});
+};