Better Vinyl stream logging

lib/index.js

@@ -1,5 +1,6 @@
 'use strict';
 
+var path = require("path");
 var chalk = require("chalk");
 var spy = require("through2-spy");
 var fancyLog = require("fancy-log");
@@ -13,7 +14,19 @@ var typeColors = {
 	debug: "gray"
 };
 
+function hexify(buff) {
+	var bytes = [];
+
+	for (var i = 0; i < buff.length; i++) {
+		bytes.push(buff.toString("hex", i, i + 1));
+	}
+
+	return bytes;
+}
+
 module.exports = function namedLog(name) {
+	var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
+
 	var prefix = "[" + chalk.green(name) + "]";
 
 	function createLog(type) {
@@ -45,7 +58,27 @@ module.exports = function namedLog(name) {
 			var _this = this;
 
 			return spy.obj(function (file) {
-				_this.info(file.path, file.contents);
+				var shortPath = void 0,
+				    firstBytes = void 0,
+				    suffix = void 0;
+
+				var byteLimit = options.byteLimit != null ? options.byteLimit : 20;
+
+				if (options.basePath != null) {
+					shortPath = path.relative(options.basePath, file.path);
+				} else {
+					shortPath = path.basename(file.path);
+				}
+
+				if (file.contents.length <= byteLimit) {
+					firstBytes = file.contents;
+					suffix = "";
+				} else {
+					firstBytes = file.contents.slice(0, byteLimit);
+					suffix = " ...";
+				}
+
+				_this.info("<File \"" + shortPath + ">\" <Buffer " + hexify(firstBytes).join(" ") + " " + suffix + " >>");
 			});
 		}
 	};

src/index.js

@@ -1,5 +1,6 @@
 'use strict';
 
+const path = require("path");
 const chalk = require("chalk");
 const spy = require("through2-spy");
 const fancyLog = require("fancy-log");
@@ -13,7 +14,17 @@ const typeColors = {
 	debug: "gray"
 }
 
-module.exports = function namedLog(name) {
+function hexify(buff) {
+	let bytes = [];
+
+	for (let i = 0; i < buff.length; i++) {
+		bytes.push(buff.toString("hex", i, i + 1));
+	}
+
+	return bytes;
+}
+
+module.exports = function namedLog(name, options = {}) {
 	let prefix = `[${chalk.green(name)}]`;
 
 	function createLog(type) {
@@ -39,7 +50,25 @@ module.exports = function namedLog(name) {
 		log: createLog(),
 		stream: function() {
 			return spy.obj((file) => {
-				this.info(file.path, file.contents);
+				let shortPath, firstBytes, suffix;
+
+				let byteLimit = (options.byteLimit != null) ? options.byteLimit : 20;
+
+				if (options.basePath != null) {
+					shortPath = path.relative(options.basePath, file.path);
+				} else {
+					shortPath = path.basename(file.path);
+				}
+
+				if (file.contents.length <= byteLimit) {
+					firstBytes = file.contents;
+					suffix = "";
+				} else {
+					firstBytes = file.contents.slice(0, byteLimit);
+					suffix = " ..."
+				}
+
+				this.info(`<File "${shortPath}>" <Buffer ${hexify(firstBytes).join(" ")} ${suffix} >>`);
 			});
 		}
 	}