Add `@astrojs/webapi` package (#2729)@astrojs/webapi@0.11.0

* chore: add @astrojs/webapi

* chore: update package.json

* fix: update file case

* fix: remove lowercase file

* chore: update tests to use mocha

* chore: update LICENSE

1 files changed, 84 insertions, 0 deletions

diff --git a/packages/webapi/test/imagedata.js b/packages/webapi/test/imagedata.js
new file mode 100644
index 000000000..d4a542117
--- /dev/null
+++ b/packages/webapi/test/imagedata.js
@@ -0,0 +1,84 @@
+import { assert, test } from '../run/test.setup.js'
+import { polyfill } from '../mod.js'
+
+test(() => {
+	return [
+		{
+			name: 'Supports ImageData',
+			test() {
+				const target = {}
+	
+				polyfill(target)
+	
+				assert.equal('ImageData' in target, true)
+				assert.equal(typeof target['ImageData'], 'function')
+			},
+		},
+		{
+			name: 'Supports new (data: Uint8ClampedArray, width: number, height: number): ImageData',
+			test() {
+				const target = {}
+	
+				polyfill(target)
+
+				const w = 640
+				const h = 480
+				const d = new Uint8ClampedArray(w * h * 4)
+
+				const id = new target.ImageData(d, w, h)
+
+				assert.equal(id.data, d)
+				assert.equal(id.width, w)
+				assert.equal(id.height, h)
+			},
+		},
+		{
+			name: 'Supports new (data: Uint8ClampedArray, width: number): ImageData',
+			test() {
+				const target = {}
+	
+				polyfill(target)
+
+				const w = 640
+				const h = 480
+				const d = new Uint8ClampedArray(w * h * 4)
+
+				const id = new target.ImageData(d, w)
+
+				assert.equal(id.data, d)
+				assert.equal(id.width, w)
+				assert.equal(id.height, h)
+			},
+		},
+		{
+			name: 'Supports new (width: number, height: number): ImageData',
+			test() {
+				const target = {}
+	
+				polyfill(target)
+
+				const w = 640
+				const h = 480
+
+				const id = new target.ImageData(w, h)
+
+				assert.equal(id.data.length, w * h * 4)
+				assert.equal(id.width, w)
+				assert.equal(id.height, h)
+			},
+		},
+		{
+			name: 'Supports Object.keys(new ImageData(640, 480))',
+			test() {
+				const target = {}
+	
+				polyfill(target)
+
+				const keys = Object.keys(new target.ImageData(640, 480))
+
+				assert.equal(keys.length, 1)
+				assert.equal(keys[0], 'data')
+			},
+		},
+	]
+})