feat: add ChangeView component to bulk update preview

.gitattributes

@@ -1,2 +1,3 @@
 * text=auto eol=lf
 /packages/bson-transpilers/lib/**/* linguist-generated=true
+packages/compass-crud/test/fixture-results/* linguist-generated=true

packages/compass-crud/package.json

@@ -92,6 +92,7 @@
     "enzyme": "^3.11.0",
     "eslint": "^7.25.0",
     "hadron-app": "^5.16.2",
+    "jsondiffpatch": "^0.5.0",
     "lodash": "^4.17.21",
     "mocha": "^10.2.0",
     "mongodb-instance-model": "^12.16.3",

packages/compass-crud/src/components/bulk-update-dialog.tsx

@@ -1,6 +1,6 @@
 import React, { useMemo, useState, useEffect, useCallback } from 'react';
 import type { UpdatePreview } from 'mongodb-data-service';
-import HadronDocument from 'hadron-document';
+import type { Document } from 'bson';
 import { toJSString } from 'mongodb-query-parser';
 import {
   css,
@@ -24,22 +24,26 @@ import {
   InteractivePopover,
   TextInput,
   useId,
+  DocumentIcon,
 } from '@mongodb-js/compass-components';
 import type { Annotation } from '@mongodb-js/compass-editor';
 import { CodemirrorMultilineEditor } from '@mongodb-js/compass-editor';
 
-import Document from './document';
 import type { BSONObject } from '../stores/crud-store';
-
+import { ChangeView } from './change-view';
 import { ReadonlyFilter } from './readonly-filter';
-import { DocumentIcon } from '@mongodb-js/compass-components';
+
+const modalContentStyles = css({
+  width: '100%',
+  maxWidth: '1280px',
+});
 
 const columnsStyles = css({
   marginTop: spacing[4],
   display: 'grid',
   width: '100%',
   gap: spacing[4],
-  gridTemplateColumns: 'repeat(2, minmax(0, 1fr))',
+  gridTemplateColumns: '2fr 3fr',
 });
 
 const queryStyles = css({
@@ -60,7 +64,7 @@ const descriptionStyles = css({
 
 const previewStyles = css({
   contain: 'size',
-  overflow: 'scroll',
+  overflow: 'auto',
 });
 
 const previewDescriptionStyles = css({
@@ -79,7 +83,7 @@ const codeLightContainerStyles = css({
 });
 
 const multilineContainerStyles = css({
-  maxHeight: spacing[4] * 20,
+  maxHeight: spacing[5] * 7, // fit at our default window size
 });
 
 const bannerContainerStyles = css({
@@ -252,12 +256,6 @@ const BulkUpdatePreview: React.FunctionComponent<BulkUpdatePreviewProps> = ({
   count,
   preview,
 }) => {
-  const previewDocuments = useMemo(() => {
-    return preview.changes.map(
-      (change) => new HadronDocument(change.after as Record<string, unknown>)
-    );
-  }, [preview]);
-
   // show a preview for the edge case where the count is undefined, not the
   // empty state
   if (count === 0) {
@@ -294,12 +292,13 @@ const BulkUpdatePreview: React.FunctionComponent<BulkUpdatePreviewProps> = ({
         </Description>
       </Label>
       <div className={updatePreviewStyles}>
-        {previewDocuments.map((doc: HadronDocument, index: number) => {
+        {preview.changes.map(({ before, after }, index: number) => {
           return (
             <UpdatePreviewDocument
               key={`change=${index}`}
               data-testid="bulk-update-preview-document"
-              doc={doc}
+              before={before}
+              after={after}
             />
           );
         })}
@@ -390,8 +389,8 @@ export default function BulkUpdateDialog({
     <Modal
       open={isOpen}
       setOpen={closeBulkUpdateDialog}
-      size={enablePreview ? 'large' : 'default'}
       data-testid="bulk-update-dialog"
+      contentClassName={enablePreview ? modalContentStyles : undefined}
       initialFocus={`#${bulkUpdateUpdateId} .cm-content`}
     >
       <ModalHeader title={modalTitleAndButtonText} subtitle={ns} />
@@ -483,16 +482,25 @@ export default function BulkUpdateDialog({
   );
 }
 
+const previewCardStyles = css({
+  padding: spacing[3],
+});
+
 function UpdatePreviewDocument({
-  doc,
+  before,
+  after,
   ...props
 }: {
   'data-testid': string;
-  doc: HadronDocument;
+  before: Document;
+  after: Document;
 }) {
   return (
-    <KeylineCard data-testid={props['data-testid']}>
-      <Document doc={doc} editable={false} />
+    <KeylineCard
+      data-testid={props['data-testid']}
+      className={previewCardStyles}
+    >
+      <ChangeView before={before} after={after} name={props['data-testid']} />
     </KeylineCard>
   );
 }

packages/compass-crud/src/components/change-view/bson-utils.ts

@@ -0,0 +1,36 @@
+import { EJSON } from 'bson';
+
+import { getValueShape } from './shape-utils';
+
+export function stringifyBSON(value: any) {
+  if (value?.inspect) {
+    return value.inspect();
+  }
+  if (value?.toISOString) {
+    return value.toISOString();
+  }
+  return EJSON.stringify(value);
+}
+
+export function unBSON(value: any | any[]): any | any[] {
+  const shape = getValueShape(value);
+  if (shape === 'array') {
+    return value.map(unBSON);
+  } else if (shape === 'object') {
+    const mapped: Record<string, any | any[]> = {};
+    for (const [k, v] of Object.entries(value)) {
+      mapped[k] = unBSON(v);
+    }
+    return mapped;
+  } else if (value?._bsontype) {
+    return stringifyBSON(value);
+  } else if (Object.prototype.toString.call(value) === '[object RegExp]') {
+    // make sure these match when diffing
+    return value.toString();
+  } else if (Object.prototype.toString.call(value) === '[object Date]') {
+    // make sure dates are consistently strings when diffing
+    return value.toISOString();
+  } else {
+    return value;
+  }
+}

packages/compass-crud/src/components/change-view/change-view.spec.tsx

@@ -0,0 +1,45 @@
+import React from 'react';
+import { expect } from 'chai';
+import { render, screen, cleanup } from '@testing-library/react';
+import { ChangeView } from './change-view';
+import { fixtureGroups } from '../../../test/before-after-fixtures';
+
+function renderChangeView(
+  props?: Partial<React.ComponentProps<typeof ChangeView>>
+) {
+  return render(<ChangeView name="test" before={{}} after={{}} {...props} />);
+}
+
+describe('ChangeView Component', function () {
+  afterEach(function () {
+    cleanup();
+  });
+
+  it('renders', function () {
+    renderChangeView({
+      before: { a: 1 },
+      after: { b: 2 },
+    });
+
+    expect(screen.getByTestId('change-view-test')).to.exist;
+  });
+
+  for (const group of fixtureGroups) {
+    context(group.name, function () {
+      for (const { name, before, after } of group.fixtures) {
+        it(name, function () {
+          renderChangeView({
+            name,
+            before,
+            after,
+          });
+
+          // A bit primitive. Just trying to see if there are any errors as a
+          // sort of regression test. Not sure how to write an assertion that
+          // would workfor each one.
+          expect(screen.getByTestId(`change-view-${name}`)).to.exist;
+        });
+      }
+    });
+  }
+});