Initial add from apps

packages/ui-identicon/src/beachball/index.ts

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+// Copyright 2016 Dan Finlay
+// Copyright 2017-2018 @polkadot/ui-identicon authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import colors from './colors';
+import newContainer from './container';
+import newSeeder from './seeder';
+import newShape from './shape/circle';
+import newElement from './svg/element';
+import { SHAPE_COUNT } from './defaults';
+
+export default function identicon (seed: string, diameter: number = 256, className: string = '', style?: { [index: string]: string }): HTMLElement {
+  const seeder = newSeeder(seed);
+  const colorGen = colors(seeder);
+  const outer = newContainer(diameter, 'white', className, style);
+  const container = newContainer(diameter, colorGen());
+  const svg = newElement(diameter);
+
+  outer.appendChild(container);
+  container.appendChild(svg);
+
+  for (let count = 0; count < SHAPE_COUNT; count++) {
+    const fill = colorGen();
+    const shape = newShape(seeder, fill, diameter, count);
+
+    svg.appendChild(shape);
+  }
+
+  return outer;
+}