1 files changed, 76 insertions, 0 deletions
diff --git a/devtools/client/accessibility/components/LearnMoreLink.js b/devtools/client/accessibility/components/LearnMoreLink.js
new file mode 100644
index 0000000000..2a21df4ea5
--- /dev/null
+++ b/devtools/client/accessibility/components/LearnMoreLink.js
@@ -0,0 +1,76 @@
+/* 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/. */
+
+"use strict";
+
+const {
+  Component,
+} = require("resource://devtools/client/shared/vendor/react.js");
+const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js");
+const {
+  p,
+  a,
+} = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
+
+const { openDocLink } = require("resource://devtools/client/shared/link.js");
+
+/**
+ * Localization friendly component for rendering a block of text with a "Learn more" link
+ * as a part of it.
+ */
+class LearnMoreLink extends Component {
+  static get propTypes() {
+    return {
+      className: PropTypes.string,
+      href: PropTypes.string,
+      learnMoreStringKey: PropTypes.string.isRequired,
+      l10n: PropTypes.object.isRequired,
+      messageStringKey: PropTypes.string.isRequired,
+      onClick: PropTypes.func,
+    };
+  }
+
+  static get defaultProps() {
+    return {
+      href: "#",
+      learnMoreStringKey: null,
+      l10n: null,
+      messageStringKey: null,
+      onClick: LearnMoreLink.openDocOnClick,
+    };
+  }
+
+  static openDocOnClick(event) {
+    event.preventDefault();
+    openDocLink(event.target.href);
+  }
+
+  render() {
+    const {
+      className,
+      href,
+      learnMoreStringKey,
+      l10n,
+      messageStringKey,
+      onClick,
+    } = this.props;
+    const learnMoreString = l10n.getStr(learnMoreStringKey);
+    const messageString = l10n.getFormatStr(messageStringKey, learnMoreString);
+
+    // Split the paragraph string with the link as a separator, and include the link into
+    // results.
+    const re = new RegExp(`(\\b${learnMoreString}\\b)`);
+    const contents = messageString.split(re);
+    contents[1] = a({ className: "link", href, onClick }, contents[1]);
+
+    return p(
+      {
+        className,
+      },
+      ...contents
+    );
+  }
+}
+
+module.exports = LearnMoreLink;