Split up spinner and widget API into files

1 files changed, 31 insertions, 0 deletions

diff --git a/web/spinner.js b/web/spinner.js
new file mode 100644
index 0000000..6462cde
--- /dev/null
+++ b/web/spinner.js
@@ -0,0 +1,31 @@
+// Copyright (c) 2020 Tulir Asokan
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+import { html } from "https://unpkg.com/htm/preact/index.mjs?module"
+
+export const Spinner = ({ size = 40, noCenter = false, noMargin = false, green = false }) => {
+	let margin = 0
+	if (!isNaN(+size)) {
+		size = +size
+		margin = noMargin ? 0 : `${Math.round(size / 6)}px`
+		size = `${size}px`
+	}
+	const noInnerMargin = !noCenter || !margin
+	const comp = html`
+        <div style="width: ${size}; height: ${size}; margin: ${noInnerMargin ? 0 : margin} 0;"
+             class="sk-chase ${green && "green"}">
+            <div class="sk-chase-dot" />
+            <div class="sk-chase-dot" />
+            <div class="sk-chase-dot" />
+            <div class="sk-chase-dot" />
+            <div class="sk-chase-dot" />
+            <div class="sk-chase-dot" />
+        </div>
+    `
+	if (!noCenter) {
+		return html`<div style="margin: ${margin} 0;" class="sk-center-wrapper">${comp}</div>`
+	}
+	return comp
+}