New nested param table styles for REST (#30862)

components/parameter-table/ChildBodyParametersRows.module.scss

@@ -0,0 +1,21 @@
+.childBodyParametersRows {
+  details tr {
+    border-top: none;
+  }
+
+  // Remove any default markdown article padding for property cells
+  details tr td {
+    padding-bottom: 0.25rem;
+  }
+
+  // Set the left border for in the nested property tables.  Also need to override
+  // a default markdown file style that sets a table's font size based on
+  // percentage which would cause the table font size to shrink more and more
+  // as the properties nested more and more.
+  td {
+    table {
+      border-left: 4px solid var(--color-border-muted);
+      font-size: inherit !important;
+    }
+  }
+}

components/parameter-table/ChildBodyParametersRows.tsx

@@ -1,7 +1,11 @@
+import cx from 'classnames'
+
 import { useTranslation } from 'components/hooks/useTranslation'
 import { ParameterRow } from './ParameterRow'
 import type { ChildParameter } from './types'
 
+import styles from './ChildBodyParametersRows.module.scss'
+
 type Props = {
   slug: string
   childParamsGroups: ChildParameter[]
@@ -15,27 +19,23 @@ export function ChildBodyParametersRows({
   parentType,
   childParamsGroups,
 }: Props) {
-  const { t } = useTranslation('products')
+  const { t } = useTranslation(['parameter_table', 'products'])
 
   return (
-    <tr className="border-top-0">
+    <tr className={cx(styles.childBodyParametersRows, 'color-bg-subtle border-top-0')}>
       <td colSpan={4} className="has-nested-table">
-        <details className="ml-1">
-          <summary role="button" aria-expanded="false" className="keyboard-focus color-fg-muted">
-            <span className="d-inline-block mb-3" id={`${slug}-${parentName}-${parentType}`}>
-              Properties of the
-              <code>{parentName}</code>
-              {parentType}
-            </span>
+        <details className="box px-3 ml-1 mb-0">
+          <summary
+            role="button"
+            aria-expanded="false"
+            className="mb-2 keyboard-focus color-fg-muted"
+          >
+            <span id={`${slug}-${parentName}-${parentType}`}>Properties of {parentName}</span>
           </summary>
           <table id={`${parentName}-object`} className="mb-4 mt-2 color-bg-subtle">
             <thead className="visually-hidden">
               <tr>
-                <th>
-                  {`${t('rest.reference.name')}, ${t('rest.reference.type')}, ${t(
-                    'rest.reference.description'
-                  )}`}
-                </th>
+                <th>{`${t('name')}, ${t('type')}, ${t('description')}`}</th>
               </tr>
             </thead>
             <tbody>

components/parameter-table/ParameterRow.tsx

@@ -0,0 +1,94 @@
+import cx from 'classnames'
+
+import { useTranslation } from 'components/hooks/useTranslation'
+import { ChildBodyParametersRows } from './ChildBodyParametersRows'
+import type { ChildParameter } from './types'
+
+type Props = {
+  rowParams: ChildParameter
+  slug: string
+  numPreviews?: number
+  isChild?: boolean
+  rowIndex?: number
+}
+
+export function ParameterRow({
+  rowParams,
+  slug,
+  numPreviews = 0,
+  rowIndex = 0,
+  isChild = false,
+}: Props) {
+  const { t } = useTranslation(['parameter_table', 'products'])
+  return (
+    <>
+      <tr className={`${isChild ? 'color-bg-subtle' : ''}`}>
+        <td className={`${isChild ? 'px-3' : ''}`}>
+          <div
+            className={cx(
+              'pl-0 pt-1 pr-1 pb-1',
+              `${rowIndex > 0 && isChild ? 'pt-3 border-top color-border-muted' : ''}`
+            )}
+          >
+            <div>
+              <code className={`text-bold f5`}>{rowParams.name}</code>
+              <span className="color-fg-muted pl-2 f5">{rowParams.type}</span>
+              {rowParams.isRequired ? (
+                <span className="color-fg-attention f5 pl-3">{t('required')}</span>
+              ) : null}
+            </div>
+
+            <div
+              className={cx('pl-1 color-fg-muted f5', `${rowParams.description ? 'pt-2' : 'pt-0'}`)}
+            >
+              <div dangerouslySetInnerHTML={{ __html: rowParams.description }} />
+              {numPreviews > 0 && (
+                <a href={`#${slug}-preview-notices`} className="d-inline">
+                  {numPreviews > 1 ? ` ${t('see_preview_notices')}` : ` ${t('see_preview_notice')}`}
+                </a>
+              )}
+              <div className={cx(`${rowParams.default || rowParams.enum ? 'pt-2' : 'pt-0'}`)}>
+                {rowParams.default && (
+                  <p>
+                    <span>{t('default')}: </span>
+                    <code>{rowParams.default}</code>
+                  </p>
+                )}
+                {rowParams.enum && rowParams.enum.length && (
+                  <p>
+                    {rowParams.enum.length > 1 ? (
+                      <>
+                        <span>{t('enum_description_title')}: </span>
+                        {rowParams.enum.map((item, index, array) => (
+                          <span key={item + index}>
+                            <code className="color-bg-muted">{item}</code>
+                            {index !== array.length - 1 && ','}{' '}
+                          </span>
+                        ))}
+                      </>
+                    ) : (
+                      <>
+                        <span>{t('single_enum_description')}: </span>
+                        <span key={rowParams.enum[0]}>
+                          <code>{rowParams.enum[0]}</code>
+                        </span>
+                      </>
+                    )}
+                  </p>
+                )}
+              </div>
+            </div>
+          </div>
+        </td>
+      </tr>
+      {rowParams.childParamsGroups && rowParams.childParamsGroups.length > 0 && (
+        <ChildBodyParametersRows
+          slug={slug}
+          parentName={rowParams.name}
+          parentType={rowParams.type}
+          childParamsGroups={rowParams.childParamsGroups}
+        />
+      )}
+    </>
+  )
+}

components/parameter-table/ParameterTable.module.scss

@@ -0,0 +1,20 @@
+.parameterTable {
+  // this is for the child parameter table row that contiains the top level
+  // properties details toggle element because we want it to match the
+  // background color of the top level parameter rows.  We need the !important
+  // because the child parameter rows (the nested expanded properties) otherwise
+  // have the same background color.
+  & > tbody > tr {
+    background: var(--color-canvas-default) !important;
+  }
+
+  // also for the top level child parameter table row, we want the details toggle
+  // to align with the top level parameter rows.  Child parameter rows have some
+  // left padding so they can indent as they nest but we don't want that in
+  // this case.  We need the !important to override general default markdown
+  // article styling.
+  & > tbody > tr > td > details {
+    padding-left: 0px !important;
+    margin-bottom: 4px !important;
+  }
+}

components/parameter-table/ParameterTable.tsx

@@ -2,68 +2,77 @@ import cx from 'classnames'
 import { useTranslation } from 'components/hooks/useTranslation'
 
 import { ParameterRow } from './ParameterRow'
-import { BodyParameter, Parameter } from './types'
+import { BodyParameter, ChildParameter, Parameter } from './types'
+
+import styles from './ParameterTable.module.scss'
 
 type Props = {
   slug: string
   numPreviews: number
+  heading: string
+  headers: Array<ChildParameter>
   parameters: Array<Parameter>
   bodyParameters: Array<BodyParameter>
 }
 
-export function RestParameterTable({ slug, numPreviews, parameters, bodyParameters }: Props) {
-  const { t } = useTranslation('products')
+export function ParameterTable({
+  slug,
+  numPreviews,
+  heading = '',
+  headers = [],
+  parameters,
+  bodyParameters,
+}: Props) {
+  const { t } = useTranslation(['parameter_table', 'products'])
   const queryParams = parameters.filter((param) => param.in === 'query')
   const pathParams = parameters.filter((param) => param.in === 'path')
 
   return (
     <>
-      <h3 className="mt-4 mb-3 pt-3 h4" id={`${slug}--parameters`}>
-        <a href={`#${slug}--parameters`}>{t('rest.reference.parameters')}</a>
-      </h3>
+      {heading && (
+        <h3 className="mt-4 mb-3 pt-3 h4" id={`${slug}--parameters`}>
+          <a href={`#${slug}--parameters`}>{heading}</a>
+        </h3>
+      )}
+
       <table
-        className={cx('d-block')}
+        className={cx(styles.parameterTable)}
         summary="Column one has the type of parameter and the other columns show the name, type, and description of the parameters"
       >
         <thead>
           <tr>
             <th id="header" scope="col" className="text-bold pl-0">
-              {t('rest.reference.headers')}
+              {t('headers')}
             </th>
           </tr>
           <tr className="visually-hidden">
-            <th scope="col">
-              {`${t('rest.reference.name')}, ${t('rest.reference.type')}, ${t(
-                'rest.reference.description'
-              )}`}
-            </th>
+            <th scope="col">{`${t('name')}, ${t('type')}, ${t('description')}`}</th>
           </tr>
         </thead>
 
         <tbody>
-          <ParameterRow
-            rowParams={{
-              name: 'accept',
-              type: 'string',
-              description: `<p>Setting to <code>application/vnd.github+json</code> is recommended.</p>`,
-              isRequired: false,
-            }}
-            slug={slug}
-            numPreviews={numPreviews}
-          />
+          {headers.length > 0 && (
+            <>
+              {headers.map((header, index) => (
+                <ParameterRow
+                  rowParams={header}
+                  slug={slug}
+                  numPreviews={numPreviews}
+                  key={`${index}-${header.name}`}
+                />
+              ))}
+            </>
+          )}
+
           {pathParams.length > 0 && (
             <>
               <tr className="border-top-0">
                 <th className="text-bold pl-0 border-top-0" scope="colgroup">
-                  {t('rest.reference.path')}
+                  {t('path')}
                 </th>
               </tr>
               <tr className="visually-hidden">
-                <th scope="colgroup">
-                  {`${t('rest.reference.name')}, ${t('rest.reference.type')}, ${t(
-                    'rest.reference.description'
-                  )}`}
-                </th>
+                <th scope="colgroup">{`${t('name')}, ${t('type')}, ${t('description')}`}</th>
               </tr>
               {pathParams.map((param, index) => (
                 <ParameterRow
@@ -86,15 +95,11 @@ export function RestParameterTable({ slug, numPreviews, parameters, bodyParamete
             <>
               <tr className="border-top-0">
                 <th className="text-bold pl-0" scope="colgroup">
-                  {t('rest.reference.query')}
+                  {t('query')}
                 </th>
               </tr>
               <tr className="visually-hidden">
-                <th scope="colgroup">
-                  {`${t('rest.reference.name')}, ${t('rest.reference.type')}, ${t(
-                    'rest.reference.description'
-                  )}`}
-                </th>
+                <th scope="colgroup">{`${t('name')}, ${t('type')}, ${t('description')}`}</th>
               </tr>
 
               {queryParams.map((param, index) => (
@@ -118,15 +123,11 @@ export function RestParameterTable({ slug, numPreviews, parameters, bodyParamete
             <>
               <tr className="border-top-0">
                 <th scope="colgroup" className="text-bold pl-0">
-                  {t('rest.reference.body')}
+                  {t('body')}
                 </th>
               </tr>
               <tr className="visually-hidden">
-                <th scope="colgroup">
-                  {`${t('rest.reference.name')}, ${t('rest.reference.type')}, ${t(
-                    'rest.reference.description'
-                  )}`}
-                </th>
+                <th scope="colgroup">{`${t('name')}, ${t('type')}, ${t('description')}`}</th>
               </tr>
 
               {bodyParameters.map((param, index) => (

components/parameter-table/types.ts

@@ -0,0 +1,32 @@
+export interface Parameter {
+  in: string
+  name: string
+  description: string
+  required: boolean
+  schema: {
+    type: string
+    default?: string
+    enum?: Array<string>
+  }
+}
+
+export interface BodyParameter {
+  in: string
+  name: string
+  description: string
+  type: string
+  isRequired?: boolean
+  default?: string
+  enum?: Array<string>
+  childParamsGroups?: Array<ChildParameter>
+}
+
+export interface ChildParameter {
+  name: string
+  description: string
+  type: string
+  isRequired?: boolean
+  enum?: Array<string>
+  default?: string
+  childParamsGroups?: ChildParameter[]
+}

components/rest/ParameterRow.tsx

@@ -1,75 +0,0 @@
-import { useTranslation } from 'components/hooks/useTranslation'
-import { ChildBodyParametersRows } from './ChildBodyParametersRows'
-import type { ChildParameter } from './types'
-
-type Props = {
-  rowParams: ChildParameter
-  slug: string
-  numPreviews?: number
-  isChild?: boolean
-}
-
-export function ParameterRow({ rowParams, slug, numPreviews = 0, isChild = false }: Props) {
-  const { t } = useTranslation('products')
-  return (
-    <>
-      <tr className={`${isChild ? 'color-bg-subtle' : ''}`}>
-        <td className={`${isChild ? 'px-3' : ''}`}>
-          <div>
-            <code className={`text-bold ${isChild ? 'f6' : 'f5'}`}>{rowParams.name}</code>
-            <span className="color-fg-muted pl-2 f5">{rowParams.type}</span>
-            {rowParams.isRequired ? (
-              <span className={`color-fg-attention f5 ${isChild ? 'pl-3' : 'float-right'}`}>
-                {t('rest.reference.required')}
-              </span>
-            ) : null}
-          </div>
-
-          <div className="pl-1 pt-2 color-fg-muted f5">
-            <div dangerouslySetInnerHTML={{ __html: rowParams.description }} />
-            {numPreviews > 0 && (
-              <a href={`#${slug}-preview-notices`} className="d-inline">
-                {numPreviews > 1
-                  ? ` ${t('rest.reference.see_preview_notices')}`
-                  : ` ${t('rest.reference.see_preview_notice')}`}
-              </a>
-            )}
-            <div className="pt-2">
-              {rowParams.default && (
-                <p>
-                  <span>{t('rest.reference.default')}: </span>
-                  <code>{rowParams.default}</code>
-                </p>
-              )}
-              {rowParams.enum && rowParams.enum.length && (
-                <p>
-                  <span>{t('rest.reference.enum_description_title')}: </span>
-
-                  {rowParams.enum.map((item, index, array) => {
-                    return index !== array.length - 1 ? (
-                      <span key={item + index}>
-                        <code>{item}</code>,{' '}
-                      </span>
-                    ) : (
-                      <span key={item + index}>
-                        <code>{item}</code>
-                      </span>
-                    )
-                  })}
-                </p>
-              )}
-            </div>
-          </div>
-        </td>
-      </tr>
-      {rowParams.childParamsGroups && rowParams.childParamsGroups.length > 0 && (
-        <ChildBodyParametersRows
-          slug={slug}
-          parentName={rowParams.name}
-          parentType={rowParams.type}
-          childParamsGroups={rowParams.childParamsGroups}
-        />
-      )}
-    </>
-  )
-}

components/rest/RestOperation.tsx

@@ -8,7 +8,7 @@ import { Link } from 'components/Link'
 import { useTranslation } from 'components/hooks/useTranslation'
 import { RestPreviewNotice } from './RestPreviewNotice'
 import styles from './RestOperation.module.scss'
-import { RestParameterTable } from './RestParameterTable'
+import { ParameterTable } from 'components/parameter-table/ParameterTable'
 import { RestCodeSamples } from './RestCodeSamples'
 import { RestStatusCodes } from './RestStatusCodes'
 import { Operation } from './types'
@@ -17,11 +17,20 @@ type Props = {
   operation: Operation
 }
 
+// all REST operations have this accept header by default
+const DEFAULT_ACCEPT_HEADER = {
+  name: 'accept',
+  type: 'string',
+  description: `<p>Setting to <code>application/vnd.github+json</code> is recommended.</p>`,
+  isRequired: false,
+}
+
 export function RestOperation({ operation }: Props) {
   const slug = slugger.slug(operation.title)
   const { t } = useTranslation('products')
   const router = useRouter()
 
+  const headers = [DEFAULT_ACCEPT_HEADER]
   const numPreviews = operation.previews.length
   const hasStatusCodes = operation.statusCodes.length > 0
   const hasCodeSamples = operation.codeExamples.length > 0
@@ -54,9 +63,11 @@ export function RestOperation({ operation }: Props) {
           />
 
           {hasParameters && (
-            <RestParameterTable
+            <ParameterTable
               slug={slug}
               numPreviews={numPreviews}
+              heading={t('rest.reference.parameters')}
+              headers={headers}
               parameters={operation.parameters}
               bodyParameters={operation.bodyParameters}
             />

data/ui.yml

@@ -87,6 +87,19 @@ contribution_cta:
   button: Make a contribution
   or: Or,
   to_guidelines: learn how to contribute.
+parameter_table:
+  body: Body parameters
+  default: Default
+  description: Description
+  enum_description_title: Can be one of
+  headers: Headers
+  name: Name
+  path: Path parameters
+  query: Query parameters
+  required: Required
+  see_preview_notice: See preview notice
+  see_preview_notices: See preview notices
+  type: Type
 products:
   graphql:
     reference:
@@ -111,10 +124,7 @@ products:
       updates: Updates
   rest:
     reference:
-      default: Default
-      name: Name
       in: In
-      type: Type
       description: Description
       notes: Notes
       parameters: Parameters
@@ -126,18 +136,10 @@ products:
       code_samples: Code samples
       preview_notice: Preview notice
       preview_notices: Preview notices
-      see_preview_notice: See preview notice
-      see_preview_notices: See preview notices
       preview_header_is_required: This header is <strong>required</strong>
       preview_notice_to_change: This API is under preview and subject to change
       works_with: Works with
       api_reference: REST API reference
-      enum_description_title: Can be one of
-      required: Required
-      headers: Headers
-      query: Query parameters
-      path: Path parameters
-      body: Body parameters
 footer:
   all_rights_reserved: All rights reserved
   terms: Terms