1 files changed, 79 insertions, 0 deletions
diff --git a/browser/components/storybook/.storybook/addon-pseudo-localization/FluentPanel.mjs b/browser/components/storybook/.storybook/addon-pseudo-localization/FluentPanel.mjs
new file mode 100644
index 0000000000..5718ec5601
--- /dev/null
+++ b/browser/components/storybook/.storybook/addon-pseudo-localization/FluentPanel.mjs
@@ -0,0 +1,79 @@
+/* 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 React from "react";
+import { addons } from "@storybook/addons";
+// eslint-disable-next-line no-unused-vars
+import { AddonPanel } from "@storybook/components";
+import { FLUENT_CHANGED, FLUENT_SET_STRINGS } from "./constants.mjs";
+
+export class FluentPanel extends React.Component {
+  constructor(props) {
+    super(props);
+    this.channel = addons.getChannel();
+    this.state = {
+      name: null,
+      strings: [],
+    };
+  }
+
+  componentDidMount() {
+    const { api } = this.props;
+    api.on(FLUENT_CHANGED, this.handleFluentChanged);
+  }
+
+  componentWillUnmount() {
+    const { api } = this.props;
+    api.off(FLUENT_CHANGED, this.handleFluentChanged);
+  }
+
+  handleFluentChanged = strings => {
+    let storyData = this.props.api.getCurrentStoryData();
+    let fileName = `${storyData.component}.ftl`;
+    this.setState(state => ({ ...state, strings, fileName }));
+  };
+
+  onInput = e => {
+    this.setState(state => {
+      let strings = [];
+      for (let [key, value] of state.strings) {
+        if (key == e.target.name) {
+          strings.push([key, e.target.value]);
+        } else {
+          strings.push([key, value]);
+        }
+      }
+      let stringified = strings
+        .map(([key, value]) => `${key} = ${value}`)
+        .join("\n");
+      this.channel.emit(FLUENT_SET_STRINGS, stringified);
+      const { fluentStrings } = this.props.api.getGlobals();
+      this.props.api.updateGlobals({
+        fluentStrings: { ...fluentStrings, [state.fileName]: strings },
+      });
+      return { ...state, strings };
+    });
+  };
+
+  render() {
+    const { api, active } = this.props;
+    const { strings } = this.state;
+    return (
+      <AddonPanel active={!!active} api={api}>
+        {strings.map(([identifier, value]) => (
+          <div key={identifier}>
+            <label>
+              {identifier} =
+              <textarea
+                name={identifier}
+                onInput={this.onInput}
+                defaultValue={value}
+              ></textarea>
+            </label>
+          </div>
+        ))}
+      </AddonPanel>
+    );
+  }
+}