From 3e8a6e5091908446f161d8ec021d604602b3a028 Mon Sep 17 00:00:00 2001
From: Shawn Erquhart <shawn@erquh.art>
Date: Tue, 24 Jul 2018 23:35:59 -0400
Subject: [PATCH] migrate relation widget

---
 packages/netlify-cms-core/package.json        |  2 -
 .../scripts/load-extensions.js                |  4 +-
 .../Editor/EditorControlPane/EditorControl.js | 20 ++++-
 .../Editor/EditorControlPane/Widget.js        | 15 ++++
 .../Relation/ReactAutosuggest.css             | 35 --------
 .../EditorWidgets/Relation/Relation.css       |  1 -
 .../EditorWidgets/Relation/RelationPreview.js | 10 ---
 .../src/components/EditorWidgets/index.js     |  3 -
 .../netlify-cms-ui-default/src/Dropdown.js    | 27 +------
 packages/netlify-cms-ui-default/src/styles.js | 29 +++++++
 .../netlify-cms-widget-relation/package.json  | 35 ++++++++
 .../src}/RelationControl.js                   | 79 +++++++++++++------
 .../src/RelationPreview.js                    | 13 +++
 .../netlify-cms-widget-relation/src/index.js  |  2 +
 .../webpack.config.js                         |  3 +
 15 files changed, 174 insertions(+), 104 deletions(-)
 delete mode 100644 packages/netlify-cms-core/src/components/EditorWidgets/Relation/ReactAutosuggest.css
 delete mode 100644 packages/netlify-cms-core/src/components/EditorWidgets/Relation/Relation.css
 delete mode 100644 packages/netlify-cms-core/src/components/EditorWidgets/Relation/RelationPreview.js
 create mode 100644 packages/netlify-cms-widget-relation/package.json
 rename packages/{netlify-cms-core/src/components/EditorWidgets/Relation => netlify-cms-widget-relation/src}/RelationControl.js (75%)
 create mode 100644 packages/netlify-cms-widget-relation/src/RelationPreview.js
 create mode 100644 packages/netlify-cms-widget-relation/src/index.js
 create mode 100644 packages/netlify-cms-widget-relation/webpack.config.js

diff --git a/packages/netlify-cms-core/package.json b/packages/netlify-cms-core/package.json
index 40261eb2..bfafbc7f 100644
--- a/packages/netlify-cms-core/package.json
+++ b/packages/netlify-cms-core/package.json
@@ -41,7 +41,6 @@
     "prop-types": "^15.5.10",
     "react": "^16.4.1",
     "react-aria-menubutton": "^5.1.0",
-    "react-autosuggest": "^9.3.2",
     "react-dnd": "^2.5.4",
     "react-dnd-html5-backend": "^2.5.4",
     "react-dom": "^16.0.0",
@@ -70,7 +69,6 @@
     "toml-j0.4": "^1.1.1",
     "tomlify-j0.4": "^3.0.0-alpha.0",
     "url": "^0.11.0",
-    "uuid": "^3.1.0",
     "what-input": "^5.0.3"
   },
   "devDependencies": {
diff --git a/packages/netlify-cms-core/scripts/load-extensions.js b/packages/netlify-cms-core/scripts/load-extensions.js
index 553e6bc0..8a759dd8 100644
--- a/packages/netlify-cms-core/scripts/load-extensions.js
+++ b/packages/netlify-cms-core/scripts/load-extensions.js
@@ -12,7 +12,7 @@ import { ListControl, ListPreview } from 'netlify-cms-widget-list';
 import { ObjectControl, ObjectPreview } from 'netlify-cms-widget-object';
 import { MarkdownControl, MarkdownPreview } from 'netlify-cms-widget-markdown';
 import { NumberControl, NumberPreview } from 'netlify-cms-widget-number';
-// import { RelationControl, RelationPreview } from 'netlify-cms-widget-relation';
+import { RelationControl, RelationPreview } from 'netlify-cms-widget-relation';
 import { StringControl, StringPreview } from 'netlify-cms-widget-string';
 import { SelectControl, SelectPreview } from 'netlify-cms-widget-select';
 import { TextControl, TextPreview } from 'netlify-cms-widget-text';
@@ -31,7 +31,7 @@ registerWidget('list', ListControl, ListPreview);
 registerWidget('markdown', MarkdownControl, MarkdownPreview);
 registerWidget('number', NumberControl, NumberPreview);
 registerWidget('object', ObjectControl, ObjectPreview);
-// registerWidget('relation', RelationControl, RelationPreview);
+registerWidget('relation', RelationControl, RelationPreview);
 registerWidget('string', StringControl, StringPreview);
 registerWidget('text', TextControl, TextPreview);
 registerWidget('select', SelectControl, SelectPreview);
diff --git a/packages/netlify-cms-core/src/components/Editor/EditorControlPane/EditorControl.js b/packages/netlify-cms-core/src/components/Editor/EditorControlPane/EditorControl.js
index 9eade098..af14bd64 100644
--- a/packages/netlify-cms-core/src/components/Editor/EditorControlPane/EditorControl.js
+++ b/packages/netlify-cms-core/src/components/Editor/EditorControlPane/EditorControl.js
@@ -5,6 +5,7 @@ import { connect } from 'react-redux';
 import { colors, colorsRaw, transitions, lengths, borders } from 'netlify-cms-ui-default';
 import { resolveWidget, getEditorComponents } from 'Lib/registry';
 import { addAsset } from 'Actions/media';
+import { query, clearSearch } from 'Actions/search';
 import { openMediaLibrary, removeInsertedMedia } from 'Actions/mediaLibrary';
 import { getAsset } from 'Reducers';
 import Widget from './Widget';
@@ -123,6 +124,10 @@ class EditorControl extends React.Component {
       removeInsertedMedia,
       onValidate,
       processControlRef,
+      query,
+      queryHits,
+      isFetching,
+      clearSearch,
     } = this.props;
     const widgetName = field.get('widget');
     const widget = resolveWidget(widgetName);
@@ -180,6 +185,10 @@ class EditorControl extends React.Component {
           getEditorComponents={getEditorComponents}
           ref={processControlRef && partial(processControlRef, fieldName)}
           editorControl={ConnectedEditorControl}
+          query={query}
+          queryHits={queryHits}
+          clearSearch={clearSearch}
+          isFetching={isFetching}
         />
       </ControlContainer>
     );
@@ -189,14 +198,23 @@ class EditorControl extends React.Component {
 const mapStateToProps = (state, ownProps) => ({
   mediaPaths: state.mediaLibrary.get('controlMedia'),
   boundGetAsset: getAsset.bind(null, state),
+  isFetching: state.search.get('isFetching'),
+  queryHits: state.search.get('queryHits'),
 });
 
 const mapDispatchToProps = {
   openMediaLibrary,
   removeInsertedMedia,
   addAsset,
+  query,
+  clearSearch,
 };
 
-const ConnectedEditorControl = connect(mapStateToProps, mapDispatchToProps)(EditorControl);
+const ConnectedEditorControl = connect(
+  mapStateToProps,
+  mapDispatchToProps,
+  null,
+  { withRef: true },
+)(EditorControl);
 
 export default ConnectedEditorControl;
diff --git a/packages/netlify-cms-core/src/components/Editor/EditorControlPane/Widget.js b/packages/netlify-cms-core/src/components/Editor/EditorControlPane/Widget.js
index 5e9538de..7bfca195 100644
--- a/packages/netlify-cms-core/src/components/Editor/EditorControlPane/Widget.js
+++ b/packages/netlify-cms-core/src/components/Editor/EditorControlPane/Widget.js
@@ -41,6 +41,13 @@ export default class Widget extends Component {
     getAsset: PropTypes.func.isRequired,
     resolveWidget: PropTypes.func.isRequired,
     getEditorComponents: PropTypes.func.isRequired,
+    isFetching: PropTypes.node,
+    query: PropTypes.func.isRequired,
+    clearSearch: PropTypes.func.isRequired,
+    queryHits: PropTypes.oneOfType([
+      PropTypes.array,
+      PropTypes.object,
+    ]),
   };
 
   shouldComponentUpdate(nextProps) {
@@ -194,6 +201,10 @@ export default class Widget extends Component {
       uniqueFieldId,
       resolveWidget,
       getEditorComponents,
+      query,
+      queryHits,
+      clearSearch,
+      isFetching,
     } = this.props;
     return React.createElement(controlComponent, {
       field,
@@ -219,6 +230,10 @@ export default class Widget extends Component {
       editorControl,
       resolveWidget,
       getEditorComponents,
+      query,
+      queryHits,
+      clearSearch,
+      isFetching,
     });
   }
 }
diff --git a/packages/netlify-cms-core/src/components/EditorWidgets/Relation/ReactAutosuggest.css b/packages/netlify-cms-core/src/components/EditorWidgets/Relation/ReactAutosuggest.css
deleted file mode 100644
index 9bed23f7..00000000
--- a/packages/netlify-cms-core/src/components/EditorWidgets/Relation/ReactAutosuggest.css
+++ /dev/null
@@ -1,35 +0,0 @@
-.react-autosuggest__container {
-  position: relative;
-}
-
-.react-autosuggest__suggestions-container {
-  display: none;
-}
-
-.react-autosuggest__container--open .react-autosuggest__suggestions-container {
-  @apply(--dropdownList);
-  position: absolute;
-  display: block;
-  top: 51px;
-  width: 100%;
-  z-index: 2;
-}
-
-.react-autosuggest__suggestion {
-  @apply(--dropdownItem);
-}
-
-.react-autosuggest__suggestions-list {
-  margin: 0;
-  padding: 0;
-  list-style-type: none;
-}
-
-.react-autosuggest__suggestion {
-  cursor: pointer;
-  padding: 10px 20px;
-}
-
-.react-autosuggest__suggestion--focused {
-  background-color: #ddd;
-}
diff --git a/packages/netlify-cms-core/src/components/EditorWidgets/Relation/Relation.css b/packages/netlify-cms-core/src/components/EditorWidgets/Relation/Relation.css
deleted file mode 100644
index 2556f673..00000000
--- a/packages/netlify-cms-core/src/components/EditorWidgets/Relation/Relation.css
+++ /dev/null
@@ -1 +0,0 @@
-@import "./ReactAutosuggest.css";
diff --git a/packages/netlify-cms-core/src/components/EditorWidgets/Relation/RelationPreview.js b/packages/netlify-cms-core/src/components/EditorWidgets/Relation/RelationPreview.js
deleted file mode 100644
index 7ee2fcac..00000000
--- a/packages/netlify-cms-core/src/components/EditorWidgets/Relation/RelationPreview.js
+++ /dev/null
@@ -1,10 +0,0 @@
-import PropTypes from 'prop-types';
-import React from 'react';
-
-export default function RelationPreview({ value }) {
-  return <div className="nc-widgetPreview">{ value }</div>;
-}
-
-RelationPreview.propTypes = {
-  value: PropTypes.node,
-};
diff --git a/packages/netlify-cms-core/src/components/EditorWidgets/index.js b/packages/netlify-cms-core/src/components/EditorWidgets/index.js
index 1a95caf1..d453e2a3 100644
--- a/packages/netlify-cms-core/src/components/EditorWidgets/index.js
+++ b/packages/netlify-cms-core/src/components/EditorWidgets/index.js
@@ -1,8 +1,5 @@
 import { registerWidget } from 'Lib/registry';
 import UnknownControl from './Unknown/UnknownControl';
 import UnknownPreview from './Unknown/UnknownPreview';
-import RelationControl from './Relation/RelationControl';
-import RelationPreview from './Relation/RelationPreview';
 
-registerWidget('relation', RelationControl, RelationPreview);
 registerWidget('unknown', UnknownControl, UnknownPreview);
diff --git a/packages/netlify-cms-ui-default/src/Dropdown.js b/packages/netlify-cms-ui-default/src/Dropdown.js
index edef97e3..c1c95fe3 100644
--- a/packages/netlify-cms-ui-default/src/Dropdown.js
+++ b/packages/netlify-cms-ui-default/src/Dropdown.js
@@ -30,10 +30,7 @@ const StyledDropdownButton = styled(DropdownButton)`
 `
 
 const DropdownList = styled.ul`
-  ${shadows.dropDeep};
-  background-color: ${colorsRaw.white};
-  border-radius: ${lengths.borderRadius};
-  overflow: hidden;
+  ${components.dropdownList};
   margin: 0;
   position: absolute;
   top: 0;
@@ -50,27 +47,7 @@ const DropdownList = styled.ul`
 `
 
 const StyledMenuItem = styled(MenuItem)`
-  ${buttons.button};
-  background-color: transparent;
-  border-radius: 0;
-  color: ${colorsRaw.gray};
-  font-weight: 500;
-  border-bottom: 1px solid #eaebf1;
-  padding: 10px 14px;
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-
-  &:last-of-type {
-    border-bottom: 0;
-  }
-
-  &:hover,
-  &:active,
-  &:focus {
-    color: ${colors.active};
-    background-color: ${colors.activeBackground};
-  }
+  ${components.dropdownItem};
 `
 
 const MenuItemIconContainer = styled.div`
diff --git a/packages/netlify-cms-ui-default/src/styles.js b/packages/netlify-cms-ui-default/src/styles.js
index 563c7086..ef947670 100644
--- a/packages/netlify-cms-ui-default/src/styles.js
+++ b/packages/netlify-cms-ui-default/src/styles.js
@@ -256,6 +256,35 @@ const components = {
   objectWidgetTopBarContainer: css`
     padding: 0 14px 14px;
   `,
+  dropdownList: css`
+    ${shadows.dropDeep};
+    background-color: ${colorsRaw.white};
+    border-radius: ${lengths.borderRadius};
+    overflow: hidden;
+  `,
+  dropdownItem: css`
+    ${buttons.button};
+    background-color: transparent;
+    border-radius: 0;
+    color: ${colorsRaw.gray};
+    font-weight: 500;
+    border-bottom: 1px solid #eaebf1;
+    padding: 10px 14px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+
+    &:last-of-type {
+      border-bottom: 0;
+    }
+
+    &:hover,
+    &:active,
+    &:focus {
+      color: ${colors.active};
+      background-color: ${colors.activeBackground};
+    }
+  `,
 }
 
 injectGlobal`
diff --git a/packages/netlify-cms-widget-relation/package.json b/packages/netlify-cms-widget-relation/package.json
new file mode 100644
index 00000000..ce6cf262
--- /dev/null
+++ b/packages/netlify-cms-widget-relation/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "netlify-cms-widget-relation",
+  "description": "Widget for linking related entries in Netlify CMS.",
+  "version": "2.0.0-alpha.0",
+  "main": "dist/netlify-cms-widget-relation.js",
+  "license": "MIT",
+  "keywords": [
+    "netlify",
+    "netlify-cms",
+    "widget",
+    "relation",
+    "link"
+  ],
+  "sideEffects": false,
+  "scripts": {
+    "watch": "webpack -w",
+    "build": "webpack"
+  },
+  "dependencies": {
+    "react-autosuggest": "^9.3.2"
+  },
+  "devDependencies": {
+    "webpack": "^4.16.1",
+    "webpack-cli": "^3.1.0"
+  },
+  "peerDependencies": {
+    "immutable": "^3.7.6",
+    "lodash": "^4.17.10",
+    "netlify-cms-ui-default": "^2.0.0-alpha.0",
+    "prop-types": "^15.5.10",
+    "react": "^16.4.1",
+    "react-emotion": "^9.2.5",
+    "uuid": "^3.1.0"
+  }
+}
diff --git a/packages/netlify-cms-core/src/components/EditorWidgets/Relation/RelationControl.js b/packages/netlify-cms-widget-relation/src/RelationControl.js
similarity index 75%
rename from packages/netlify-cms-core/src/components/EditorWidgets/Relation/RelationControl.js
rename to packages/netlify-cms-widget-relation/src/RelationControl.js
index 23fb7c01..86307661 100644
--- a/packages/netlify-cms-core/src/components/EditorWidgets/Relation/RelationControl.js
+++ b/packages/netlify-cms-widget-relation/src/RelationControl.js
@@ -1,18 +1,61 @@
+import React from 'react';
 import PropTypes from 'prop-types';
-import React, { Component } from 'react';
+import { css } from 'react-emotion';
 import Autosuggest from 'react-autosuggest';
 import uuid from 'uuid/v4';
 import { List, Map } from 'immutable';
-import { connect } from 'react-redux';
 import { debounce } from 'lodash';
-import { query, clearSearch } from 'Actions/search';
-import { Loader } from 'netlify-cms-ui-default';
+import { Loader, components } from 'netlify-cms-ui-default';
+
+/**
+ * Create a classname for use as a descendant selector. This is generally
+ * discouraged in Emotion because composition will break the resulting
+ * classnames, but we won't be using composition here.
+ */
+const styles = {
+  suggestionsContainer: css`
+    display: none;
+  `,
+};
+
+/**
+ * react-autosuggest theme spec:
+ * https://github.com/moroshko/react-autosuggest#theme-optional
+ */
+const theme = {
+  container: css`
+    position: relative;
+  `,
+  containerOpen: css`
+    ${styles.suggestionsContainer} {
+      ${components.dropdownList}
+      position: absolute;
+      display: block;
+      top: 51px;
+      width: 100%;
+      z-index: 2;
+    }
+  `,
+  suggestion: css`
+    ${components.drodpownItem};
+    cursor: pointer;
+    padding: 10px 20px;
+  `,
+  suggestionsList: css`
+    margin: 0;
+    padding: 0;
+    list-style-type: none;
+  `,
+  suggestionHighlighted: css`
+    background-color: #ddd;
+  `,
+};
 
 function escapeRegexCharacters(str) {
   return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
 }
 
-class RelationControl extends Component {
+export default class RelationControl extends React.Component {
   static propTypes = {
     onChange: PropTypes.func.isRequired,
     forID: PropTypes.string.isRequired,
@@ -50,12 +93,15 @@ class RelationControl extends Component {
   }
 
   componentWillReceiveProps(nextProps) {
+    console.log(`receiving`);
+    console.log(nextProps.queryHits && nextProps.queryHits.get(this.controlID));
     if (this.didInitialSearch) return;
     if (nextProps.queryHits !== this.props.queryHits && nextProps.queryHits.get && nextProps.queryHits.get(this.controlID)) {
       this.didInitialSearch = true;
       const suggestion = nextProps.queryHits.get(this.controlID);
       if (suggestion && suggestion.length === 1) {
         const val = this.getSuggestionValue(suggestion[0]);
+        console.log(`accepting ${val}`);
         this.props.onChange(val, { [nextProps.field.get('collection')]: { [val]: suggestion[0].data } });
       }
     }
@@ -75,6 +121,7 @@ class RelationControl extends Component {
     const { field } = this.props;
     const collection = field.get('collection');
     const searchFields = field.get('searchFields').toJS();
+    console.log(`querying ${value}`);
     this.props.query(this.controlID, collection, searchFields, value);
   }, 500);
 
@@ -135,28 +182,10 @@ class RelationControl extends Component {
           renderSuggestion={this.renderSuggestion}
           inputProps={inputProps}
           focusInputOnSuggestionClick={false}
+          theme={theme}
         />
         <Loader active={isFetching === this.controlID} />
       </div>
     );
   }
-}
-
-function mapStateToProps(state, ownProps) {
-  const { className } = ownProps;
-  const isFetching = state.search.get('isFetching');
-  const queryHits = state.search.get('queryHits');
-  return { isFetching, queryHits, className };
-}
-
-export default connect(
-  mapStateToProps,
-  {
-    query,
-    clearSearch,
-  },
-  null,
-  {
-    withRef: true,
-  }
-)(RelationControl);
+};
diff --git a/packages/netlify-cms-widget-relation/src/RelationPreview.js b/packages/netlify-cms-widget-relation/src/RelationPreview.js
new file mode 100644
index 00000000..916cec6b
--- /dev/null
+++ b/packages/netlify-cms-widget-relation/src/RelationPreview.js
@@ -0,0 +1,13 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { WidgetPreviewContainer } from 'netlify-cms-ui-default';
+
+const RelationPreview = ({ value }) => (
+  <WidgetPreviewContainer>{ value }</WidgetPreviewContainer>
+)
+
+RelationPreview.propTypes = {
+  value: PropTypes.node,
+};
+
+export default RelationPreview;
diff --git a/packages/netlify-cms-widget-relation/src/index.js b/packages/netlify-cms-widget-relation/src/index.js
new file mode 100644
index 00000000..2bdf5132
--- /dev/null
+++ b/packages/netlify-cms-widget-relation/src/index.js
@@ -0,0 +1,2 @@
+export RelationControl from './RelationControl';
+export RelationPreview from './RelationPreview';
diff --git a/packages/netlify-cms-widget-relation/webpack.config.js b/packages/netlify-cms-widget-relation/webpack.config.js
new file mode 100644
index 00000000..42edd361
--- /dev/null
+++ b/packages/netlify-cms-widget-relation/webpack.config.js
@@ -0,0 +1,3 @@
+const { getConfig } = require('../../scripts/webpack.js');
+
+module.exports = getConfig();