From 78a15ecbdb881de1a7d5ceb68c2d7ba616546aa8 Mon Sep 17 00:00:00 2001
From: Jan Vennemann <jan.vennemann@gmx.net>
Date: Thu, 22 Aug 2019 14:15:47 +0200
Subject: [PATCH] feat: enable color mode for inspect

---
 .../ti.internal/extensions/js/console.js      |  7 +--
 .../extensions/node/internal/util/inspect.js  | 44 ++++++++++++++++++-
 2 files changed, 47 insertions(+), 4 deletions(-)

diff --git a/common/Resources/ti.internal/extensions/js/console.js b/common/Resources/ti.internal/extensions/js/console.js
index c612473c235..f4afda4f319 100644
--- a/common/Resources/ti.internal/extensions/js/console.js
+++ b/common/Resources/ti.internal/extensions/js/console.js
@@ -6,10 +6,11 @@ const nativeInfo = console.info;
 const nativeLog = console.log;
 const nativeWarn = console.warn;
 
+const kColorInspectOptions = { colors: true };
 const kNoColorInspectOptions = {};
 
 console.debug = function (...args) {
-	nativeDebug.call(console, formatWithOptions(kNoColorInspectOptions, ...args));
+	nativeDebug.call(console, formatWithOptions(kColorInspectOptions, ...args));
 };
 
 console.error = function (...args) {
@@ -17,11 +18,11 @@ console.error = function (...args) {
 };
 
 console.info = function (...args) {
-	nativeInfo.call(console, formatWithOptions(kNoColorInspectOptions, ...args));
+	nativeInfo.call(console, formatWithOptions(kColorInspectOptions, ...args));
 };
 
 console.log = function (...args) {
-	nativeLog.call(console, formatWithOptions(kNoColorInspectOptions, ...args));
+	nativeLog.call(console, formatWithOptions(kColorInspectOptions, ...args));
 };
 
 console.warn = function (...args) {
diff --git a/common/Resources/ti.internal/extensions/node/internal/util/inspect.js b/common/Resources/ti.internal/extensions/node/internal/util/inspect.js
index c238d4cba16..ed66cc938ec 100644
--- a/common/Resources/ti.internal/extensions/node/internal/util/inspect.js
+++ b/common/Resources/ti.internal/extensions/node/internal/util/inspect.js
@@ -190,7 +190,7 @@ export function inspect(value, opts) {
 		}
 	}
 	if (ctx.colors) {
-		console.warn('The "colors" option for util.inspect is not supported on Titanium.');
+		ctx.stylize = stylizeWithColor;
 	}
 	if (ctx.maxArrayLength === null) {
 		ctx.maxArrayLength = Infinity;
@@ -211,6 +211,39 @@ Object.defineProperty(inspect, 'defaultOptions', {
 	}
 });
 
+// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+inspect.colors = Object.assign(Object.create(null), {
+	bold: [ 1, 22 ],
+	italic: [ 3, 23 ],
+	underline: [ 4, 24 ],
+	inverse: [ 7, 27 ],
+	white: [ 37, 39 ],
+	grey: [ 90, 39 ],
+	black: [ 30, 39 ],
+	blue: [ 34, 39 ],
+	cyan: [ 36, 39 ],
+	green: [ 32, 39 ],
+	magenta: [ 35, 39 ],
+	red: [ 31, 39 ],
+	yellow: [ 33, 39 ]
+});
+
+// Don't use 'blue' not visible on cmd.exe
+inspect.styles = Object.assign(Object.create(null), {
+	special: 'cyan',
+	number: 'yellow',
+	bigint: 'yellow',
+	boolean: 'yellow',
+	undefined: 'grey',
+	null: 'bold',
+	string: 'green',
+	symbol: 'green',
+	date: 'magenta',
+	// "name": intentionally not styling
+	regexp: 'red',
+	module: 'underline'
+});
+
 function addQuotes(str, quotes) {
 	if (quotes === -1) {
 		return `"${str}"`;
@@ -279,6 +312,15 @@ function strEscape(str) {
 	return addQuotes(result, singleQuote);
 }
 
+function stylizeWithColor(str, styleType) {
+	const style = inspect.styles[styleType];
+	if (style !== undefined) {
+		const color = inspect.colors[style];
+		return `\u001b[${color[0]}m${str}\u001b[${color[1]}m`;
+	}
+	return str;
+}
+
 function stylizeNoColor(str) {
 	return str;
 }