From 60d27ccbbfff19def8c58f5a2cc0c5f3f9c54bce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20Unneb=C3=A4ck?= <linus@folkdatorn.se>
Date: Mon, 16 Dec 2019 18:05:18 +0000
Subject: [PATCH 1/2] =?UTF-8?q?=F0=9F=8C=B9=20Add=20test=20for=20enumerabl?=
 =?UTF-8?q?e=20properties?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 test.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/test.js b/test.js
index 2b4b44c..231dd6b 100644
--- a/test.js
+++ b/test.js
@@ -200,3 +200,22 @@ assert(ImageData.length === 2)
   assert(img.height === 16)
   assert(img.data === arr1)
 }
+
+{
+  const img = new ImageData(1, 1)
+
+  const keys = Object.keys(img)
+  assert(keys.length === 1)
+  assert(keys[0] === 'data')
+
+  const ownPropertyNames = Object.getOwnPropertyNames(img)
+  assert(ownPropertyNames.length === 1)
+  assert(ownPropertyNames[0] === 'data')
+
+  const enumerableKeys = []
+  for (const key in img) enumerableKeys.push(key)
+  assert(enumerableKeys.length === 3)
+  assert(enumerableKeys.includes('data'))
+  assert(enumerableKeys.includes('width'))
+  assert(enumerableKeys.includes('height'))
+}

From d23d2d2d7d5ad5a335ebe5f3eaa1c8d2b5b809ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20Unneb=C3=A4ck?= <linus@folkdatorn.se>
Date: Mon, 16 Dec 2019 18:16:55 +0000
Subject: [PATCH 2/2] =?UTF-8?q?=F0=9F=8E=89=20Add=20custom=20inspect=20fun?=
 =?UTF-8?q?ction=20for=20Node.js=20>=3D=2010.12.0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 index.js | 12 ++++++++++++
 test.js  | 30 ++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/index.js b/index.js
index 2718b44..4f5c034 100644
--- a/index.js
+++ b/index.js
@@ -81,4 +81,16 @@ Object.defineProperty(ImageData.prototype, 'height', {
   get () { return heightMap.get(this) }
 })
 
+Object.defineProperty(ImageData.prototype, Symbol.for('nodejs.util.inspect.custom'), {
+  enumerable: false,
+  configurable: true,
+  value: function inspectImageData (depth, options) {
+    if (depth < 0) {
+      return options.stylize('[ImageData]', 'special')
+    }
+
+    return Object.assign(new (class ImageData {})(), { data: this.data, width: this.width, height: this.height }, this)
+  }
+})
+
 module.exports = ImageData
diff --git a/test.js b/test.js
index 231dd6b..b379d54 100644
--- a/test.js
+++ b/test.js
@@ -219,3 +219,33 @@ assert(ImageData.length === 2)
   assert(enumerableKeys.includes('width'))
   assert(enumerableKeys.includes('height'))
 }
+
+// Node.js 10.12.0 and newer
+if (typeof process === 'object' && require('util').inspect.custom === Symbol.for('nodejs.util.inspect.custom')) {
+  const { inspect } = require('util')
+  const img = new ImageData(1, 1)
+
+  assert(inspect(img, { colors: false, depth: -1 }) === '[ImageData]')
+  assert(inspect(img, { colors: true, depth: -1 }) === '\u001b[36m[ImageData]\u001b[39m')
+
+  assert(inspect(img, { colors: false, depth: 0 }) === 'ImageData { data: [Uint8ClampedArray], width: 1, height: 1 }')
+  assert(inspect(img, { colors: true, depth: 0 }) === 'ImageData { data: \u001b[36m[Uint8ClampedArray]\u001b[39m, width: \u001b[33m1\u001b[39m, height: \u001b[33m1\u001b[39m }')
+
+  if (/^v(12|[2-9]\d+)\./.test(process.version)) {
+    assert(inspect(img, { colors: false, depth: 1 }) === 'ImageData {\n  data: Uint8ClampedArray [ 0, 0, 0, 0 ],\n  width: 1,\n  height: 1\n}')
+    assert(inspect(img, { colors: true, depth: 1 }) === 'ImageData {\n  data: Uint8ClampedArray [ \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m ],\n  width: \u001b[33m1\u001b[39m,\n  height: \u001b[33m1\u001b[39m\n}')
+  } else {
+    assert(inspect(img, { colors: false, depth: 1 }) === 'ImageData { data: Uint8ClampedArray [ 0, 0, 0, 0 ], width: 1, height: 1 }')
+    assert(inspect(img, { colors: true, depth: 1 }) === 'ImageData { data: Uint8ClampedArray [ \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m ], width: \u001b[33m1\u001b[39m, height: \u001b[33m1\u001b[39m }')
+  }
+
+  img.test = 'foobar'
+
+  if (/^v(12|[2-9]\d+)\./.test(process.version)) {
+    assert(inspect(img, { colors: false, depth: 1 }) === 'ImageData {\n  data: Uint8ClampedArray [ 0, 0, 0, 0 ],\n  width: 1,\n  height: 1,\n  test: \'foobar\'\n}')
+    assert(inspect(img, { colors: true, depth: 1 }) === 'ImageData {\n  data: Uint8ClampedArray [ \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m ],\n  width: \u001b[33m1\u001b[39m,\n  height: \u001b[33m1\u001b[39m,\n  test: \u001b[32m\'foobar\'\u001b[39m\n}')
+  } else {
+    assert(inspect(img, { colors: false, depth: 1 }) === 'ImageData {\n  data: Uint8ClampedArray [ 0, 0, 0, 0 ],\n  width: 1,\n  height: 1,\n  test: \'foobar\' }')
+    assert(inspect(img, { colors: true, depth: 1 }) === 'ImageData {\n  data: Uint8ClampedArray [ \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m, \u001b[33m0\u001b[39m ],\n  width: \u001b[33m1\u001b[39m,\n  height: \u001b[33m1\u001b[39m,\n  test: \u001b[32m\'foobar\'\u001b[39m }')
+  }
+}