feat: Adds plugin-chart-handlebars (#17903)

* adds: plugin chart handlebars

* adds: handlebars plugin to main presets

* update: npm install

* chore: lint

* adds: dateFormat handlebars helper

* deletes: unused props

* chore: linting plugin-chart-handlebars

* docs: chart-plugin-handlebars

* adds: moment to peer deps

* update: use error handling

* update: inline config, adds renderTrigger

* update: inline config, adds renderTrigger

* camelCase controls

* (plugins-chart-handlebars) adds: missing props

Adds missing propeties in test formData

* (plugin-chart-handlebars) fixes test

* (plugin-handlebars-chart) use numbers for size

* (feature-handlebars-chart) fix viz_type

* (plugin-handlebars-chart) revert

revert the viz_type change. it was in the wrong place.

* fix test and add license headers

Co-authored-by: Ville Brofeldt <ville.v.brofeldt@gmail.com>

superset-frontend/plugins/plugin-chart-handlebars/src/components/CodeEditor/CodeEditor.tsx

@@ -0,0 +1,80 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import React, { FC } from 'react';
+import AceEditor, { IAceEditorProps } from 'react-ace';
+
+// must go after AceEditor import
+import 'ace-builds/src-min-noconflict/mode-handlebars';
+import 'ace-builds/src-min-noconflict/mode-css';
+import 'ace-builds/src-noconflict/theme-github';
+import 'ace-builds/src-noconflict/theme-monokai';
+
+export type CodeEditorMode = 'handlebars' | 'css';
+export type CodeEditorTheme = 'light' | 'dark';
+
+export interface CodeEditorProps extends IAceEditorProps {
+  mode?: CodeEditorMode;
+  theme?: CodeEditorTheme;
+  name?: string;
+}
+
+export const CodeEditor: FC<CodeEditorProps> = ({
+  mode,
+  theme,
+  name,
+  width,
+  height,
+  value,
+  ...rest
+}: CodeEditorProps) => {
+  const m_name = name || Math.random().toString(36).substring(7);
+  const m_theme = theme === 'light' ? 'github' : 'monokai';
+  const m_mode = mode || 'handlebars';
+  const m_height = height || '300px';
+  const m_width = width || '100%';
+
+  return (
+    <div className="code-editor" style={{ minHeight: height, width: m_width }}>
+      <AceEditor
+        mode={m_mode}
+        theme={m_theme}
+        name={m_name}
+        height={m_height}
+        width={m_width}
+        fontSize={14}
+        showPrintMargin
+        focus
+        editorProps={{ $blockScrolling: true }}
+        wrapEnabled
+        highlightActiveLine
+        value={value}
+        setOptions={{
+          enableBasicAutocompletion: true,
+          enableLiveAutocompletion: true,
+          enableSnippets: true,
+          showLineNumbers: true,
+          tabSize: 2,
+          showGutter: true,
+        }}
+        {...rest}
+      />
+    </div>
+  );
+};

superset-frontend/plugins/plugin-chart-handlebars/src/components/ControlHeader/controlHeader.tsx

@@ -0,0 +1,33 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import React, { ReactNode } from 'react';
+
+interface ControlHeaderProps {
+  children: ReactNode;
+}
+
+export const ControlHeader = ({
+  children,
+}: ControlHeaderProps): JSX.Element => (
+  <div className="ControlHeader">
+    <div className="pull-left">
+      <span role="button">{children}</span>
+    </div>
+  </div>
+);

superset-frontend/plugins/plugin-chart-handlebars/src/components/Handlebars/HandlebarsViewer.tsx

@@ -0,0 +1,66 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import { SafeMarkdown, styled } from '@superset-ui/core';
+import Handlebars from 'handlebars';
+import moment from 'moment';
+import React, { useMemo, useState } from 'react';
+
+export interface HandlebarsViewerProps {
+  templateSource: string;
+  data: any;
+}
+
+export const HandlebarsViewer = ({
+  templateSource,
+  data,
+}: HandlebarsViewerProps) => {
+  const [renderedTemplate, setRenderedTemplate] = useState('');
+  const [error, setError] = useState('');
+
+  useMemo(() => {
+    try {
+      const template = Handlebars.compile(templateSource);
+      const result = template(data);
+      setRenderedTemplate(result);
+      setError('');
+    } catch (error) {
+      setRenderedTemplate('');
+      setError(error.message);
+    }
+  }, [templateSource, data]);
+
+  const Error = styled.pre`
+    white-space: pre-wrap;
+  `;
+
+  if (error) {
+    return <Error>{error}</Error>;
+  }
+
+  if (renderedTemplate) {
+    return <SafeMarkdown source={renderedTemplate} />;
+  }
+  return <p>Loading...</p>;
+};
+
+//  usage: {{dateFormat my_date format="MMMM YYYY"}}
+Handlebars.registerHelper('dateFormat', function (context, block) {
+  const f = block.hash.format || 'YYYY-MM-DD';
+  return moment(context).format(f);
+});