Merge branch 'develop' of github.com:MetaMask/metamask-extension into HowardBraham-develop

2 files changed, 70 insertions, 0 deletions

diff --git a/ui/app/components/jazzicon/index.js b/ui/app/components/jazzicon/index.js
new file mode 100644
index 000000000..bea900ab9
--- /dev/null
+++ b/ui/app/components/jazzicon/index.js
@@ -0,0 +1 @@
+export { default } from './jazzicon.component'
diff --git a/ui/app/components/jazzicon/jazzicon.component.js b/ui/app/components/jazzicon/jazzicon.component.js
new file mode 100644
index 000000000..fcb1c59b1
--- /dev/null
+++ b/ui/app/components/jazzicon/jazzicon.component.js
@@ -0,0 +1,69 @@
+import React, { PureComponent } from 'react'
+import PropTypes from 'prop-types'
+import isNode from 'detect-node'
+import { findDOMNode } from 'react-dom'
+import jazzicon from 'jazzicon'
+import iconFactoryGenerator from '../../../lib/icon-factory'
+const iconFactory = iconFactoryGenerator(jazzicon)
+
+/**
+ * Wrapper around the jazzicon library to return a React component, as the library returns an
+ * HTMLDivElement which needs to be appended.
+ */
+export default class Jazzicon extends PureComponent {
+  static propTypes = {
+    address: PropTypes.string.isRequired,
+    className: PropTypes.string,
+    diameter: PropTypes.number,
+    style: PropTypes.object,
+  }
+
+  static defaultProps = {
+    diameter: 46,
+  }
+
+  componentDidMount () {
+    if (!isNode) {
+      this.appendJazzicon()
+    }
+  }
+
+  componentDidUpdate (prevProps) {
+    const { address: prevAddress } = prevProps
+    const { address } = this.props
+
+    if (!isNode && address !== prevAddress) {
+      this.removeExistingChildren()
+      this.appendJazzicon()
+    }
+  }
+
+  removeExistingChildren () {
+    // eslint-disable-next-line react/no-find-dom-node
+    const container = findDOMNode(this)
+    const { children } = container
+
+    for (let i = 0; i < children.length; i++) {
+      container.removeChild(children[i])
+    }
+  }
+
+  appendJazzicon () {
+    // eslint-disable-next-line react/no-find-dom-node
+    const container = findDOMNode(this)
+    const { address, diameter } = this.props
+    const image = iconFactory.iconForAddress(address, diameter)
+    container.appendChild(image)
+  }
+
+  render () {
+    const { className, style } = this.props
+
+    return (
+      <div
+        className={className}
+        style={style}
+      />
+    )
+  }
+}