Migrate 10 JavaScript files to TypeScript (#57971)

src/content-linter/lib/linting-rules/frontmatter-validation.ts

@@ -1,9 +1,27 @@
+// @ts-ignore - no types available for markdownlint-rule-helpers
 import { addError } from 'markdownlint-rule-helpers'
 import { getFrontmatter } from '@/content-linter/lib/helpers/utils'
 
+import type { RuleParams, RuleErrorCallback } from '@/content-linter/types'
+
+interface PropertyLimits {
+  max: number
+  recommended: number
+  required?: boolean
+}
+
+interface ContentRules {
+  title: PropertyLimits
+  shortTitle: PropertyLimits
+  intro: PropertyLimits
+  requiredProperties: string[]
+}
+
+type ContentType = 'category' | 'mapTopic' | 'article' | null
+
 // Strip liquid tags from text for character counting purposes
-function stripLiquidTags(text) {
+function stripLiquidTags(text: unknown): string {
-  if (typeof text !== 'string') return text
+  if (typeof text !== 'string') return text as string
   // Remove both {% %} and {{ }} liquid tags
   return text.replace(/\{%.*?%\}/g, '').replace(/\{\{.*?\}\}/g, '')
 }
@@ -13,15 +31,15 @@ export const frontmatterValidation = {
   description:
     'Frontmatter properties must meet character limits and required property requirements',
   tags: ['frontmatter', 'character-limits', 'required-properties'],
-  function: (params, onError) => {
+  function: (params: RuleParams, onError: RuleErrorCallback) => {
-    const fm = getFrontmatter(params.lines)
+    const fm = getFrontmatter(params.lines as string[])
     if (!fm) return
 
     // Detect content type based on frontmatter properties and file path
     const contentType = detectContentType(fm, params.name)
 
     // Define character limits and requirements for different content types
-    const contentRules = {
+    const contentRules: Record<string, ContentRules> = {
       category: {
         title: { max: 70, recommended: 67 },
         shortTitle: { max: 30, recommended: 27 },
@@ -42,7 +60,7 @@ export const frontmatterValidation = {
       },
     }
 
-    const rules = contentRules[contentType]
+    const rules = contentType ? contentRules[contentType] : null
     if (!rules) return
 
     // Check required properties
@@ -61,14 +79,21 @@ export const frontmatterValidation = {
 
     // Check title length
     if (fm.title) {
-      validatePropertyLength(onError, params.lines, 'title', fm.title, rules.title, 'Title')
+      validatePropertyLength(
+        onError,
+        params.lines as string[],
+        'title',
+        fm.title,
+        rules.title,
+        'Title',
+      )
     }
 
     // Check shortTitle length
     if (fm.shortTitle) {
       validatePropertyLength(
         onError,
-        params.lines,
+        params.lines as string[],
         'shortTitle',
         fm.shortTitle,
         rules.shortTitle,
@@ -78,17 +103,24 @@ export const frontmatterValidation = {
 
     // Check intro length if it exists
     if (fm.intro && rules.intro) {
-      validatePropertyLength(onError, params.lines, 'intro', fm.intro, rules.intro, 'Intro')
+      validatePropertyLength(
+        onError,
+        params.lines as string[],
+        'intro',
+        fm.intro,
+        rules.intro,
+        'Intro',
+      )
     }
 
     // Cross-property validation: if title is longer than shortTitle limit, shortTitle must exist
     const strippedTitle = stripLiquidTags(fm.title)
-    if (fm.title && strippedTitle.length > rules.shortTitle.max && !fm.shortTitle) {
+    if (fm.title && (strippedTitle as string).length > rules.shortTitle.max && !fm.shortTitle) {
-      const titleLine = findPropertyLine(params.lines, 'title')
+      const titleLine = findPropertyLine(params.lines as string[], 'title')
       addError(
         onError,
         titleLine,
-        `Title is ${strippedTitle.length} characters, which exceeds the shortTitle limit of ${rules.shortTitle.max} characters. A shortTitle must be provided.`,
+        `Title is ${(strippedTitle as string).length} characters, which exceeds the shortTitle limit of ${rules.shortTitle.max} characters. A shortTitle must be provided.`,
         fm.title,
         null,
         null,
@@ -98,10 +130,10 @@ export const frontmatterValidation = {
     // Special validation for articles: should have at least one topic
     if (contentType === 'article' && fm.topics) {
       if (!Array.isArray(fm.topics)) {
-        const topicsLine = findPropertyLine(params.lines, 'topics')
+        const topicsLine = findPropertyLine(params.lines as string[], 'topics')
         addError(onError, topicsLine, 'Topics must be an array', String(fm.topics), null, null)
       } else if (fm.topics.length === 0) {
-        const topicsLine = findPropertyLine(params.lines, 'topics')
+        const topicsLine = findPropertyLine(params.lines as string[], 'topics')
         addError(
           onError,
           topicsLine,
@@ -115,9 +147,16 @@ export const frontmatterValidation = {
   },
 }
 
-function validatePropertyLength(onError, lines, propertyName, propertyValue, limits, displayName) {
+function validatePropertyLength(
+  onError: RuleErrorCallback,
+  lines: string[],
+  propertyName: string,
+  propertyValue: string,
+  limits: PropertyLimits,
+  displayName: string,
+): void {
   const strippedValue = stripLiquidTags(propertyValue)
-  const propertyLength = strippedValue.length
+  const propertyLength = (strippedValue as string).length
   const propertyLine = findPropertyLine(lines, propertyName)
 
   // Only report the most severe error - maximum takes precedence over recommended
@@ -142,7 +181,8 @@ function validatePropertyLength(onError, lines, propertyName, propertyValue, lim
   }
 }
 
-function detectContentType(frontmatter, filePath) {
+// frontmatter object structure varies based on YAML content, using any for flexibility
+function detectContentType(frontmatter: any, filePath: string): ContentType {
   // Only apply validation to markdown files
   if (!filePath || !filePath.endsWith('.md')) {
     return null
@@ -168,7 +208,7 @@ function detectContentType(frontmatter, filePath) {
   return 'article'
 }
 
-function findPropertyLine(lines, property) {
+function findPropertyLine(lines: string[], property: string): number {
   const line = lines.find((line) => line.trim().startsWith(`${property}:`))
   return line ? lines.indexOf(line) + 1 : 1
 }

src/content-linter/scripts/pretty-print-results.ts

@@ -1,19 +1,36 @@
 import chalk from 'chalk'
 
-function isNumber(value) {
+interface LintResult {
+  ruleDescription: string
+  ruleNames: string[]
+  lineNumber: number
+  columnNumber?: number
+  severity: string
+  errorDetail?: string
+  errorContext?: string
+  context?: string
+  fixable?: boolean
+}
+
+type LintResults = Record<string, LintResult[]>
+
+function isNumber(value: unknown): value is number {
   return typeof value === 'number' && !isNaN(value)
 }
 
-function shorten(text, length = 70) {
+function shorten(text: string, length = 70): string {
   if (text.length <= length) return text
   return `${text.slice(0, length - 3)}…`
 }
 
-export function prettyPrintResults(results, { fixed = false } = {}) {
+export function prettyPrintResults(
+  results: LintResults,
+  { fixed = false }: { fixed?: boolean } = {},
+): void {
   const PREFIX_PADDING = ' '.repeat(4)
   const columnPadding = 'Description'.length // The longest column header word
 
-  function label(text, padding = columnPadding) {
+  function label(text: string, padding = columnPadding): string {
     if (padding < text.length) throw new Error('Padding must be greater than text length')
     return `${PREFIX_PADDING}${chalk.dim(text.padEnd(padding))}`
   }
@@ -114,7 +131,8 @@ export function prettyPrintResults(results, { fixed = false } = {}) {
   }
 }
 
-function chalkFunColors(text) {
+function chalkFunColors(text: string): string {
+  // Valid chalk color method names for terminal output
   const colors = [
     'red',
     'yellow',
@@ -126,19 +144,21 @@ function chalkFunColors(text) {
     'greenBright',
     'magentaBright',
     'cyanBright',
-  ].sort(() => Math.random() - 0.5)
+  ] as const
+  const shuffledColors = [...colors].sort(() => Math.random() - 0.5)
   let colorIndex = 0
   return text
     .split('')
     .map((char) => {
-      const color = colors[colorIndex]
+      const color = shuffledColors[colorIndex]
-      colorIndex = (colorIndex + 1) % colors.length
+      colorIndex = (colorIndex + 1) % shuffledColors.length
-      return chalk[color](char)
+      // Chalk's TypeScript types don't support dynamic property access, but these are valid color methods
+      return (chalk as any)[color](char)
     })
     .join('')
 }
 
-function indentWrappedString(str, startingIndent) {
+function indentWrappedString(str: string, startingIndent: number): string {
   const NEW_LINE_PADDING = ' '.repeat(16)
   const width = process.stdout.columns || 80 // Use terminal width, default to 80 if not available
   let indentedString = ''

src/content-render/tests/annotate.ts

@@ -2,6 +2,7 @@ import { describe, expect, test } from 'vitest'
 import cheerio from 'cheerio'
 
 import { renderContent } from '@/content-render/index'
+import type { Context } from '@/types'
 
 const example = `
 \`\`\`yaml annotate
@@ -131,7 +132,7 @@ on: [push]
 `
 
     // Create a mock context with pages for AUTOTITLE resolution
-    const mockPages = {
+    const mockPages: Record<string, { href: string; rawTitle: string }> = {
       '/get-started/start-your-journey/hello-world': {
         href: '/get-started/start-your-journey/hello-world',
         rawTitle: 'Hello World',
@@ -147,7 +148,8 @@ on: [push]
       currentVersion: 'free-pro-team@latest',
       pages: mockPages,
       redirects: {},
-    }
+      // Mock test object doesn't need all Context properties, using 'as unknown as' to bypass strict type checking
+    } as unknown as Context
 
     const res = await renderContent(example, mockContext)
     const $ = cheerio.load(res)

src/frame/lib/create-tree.ts

@@ -1,16 +1,21 @@
 import path from 'path'
 import fs from 'fs/promises'
 
-import Page from './page'
+import PageClass from './page'
+import type { UnversionedTree, Page } from '@/types'
 
-export default async function createTree(originalPath, rootPath, previousTree) {
+export default async function createTree(
+  originalPath: string,
+  rootPath?: string,
+  previousTree?: UnversionedTree,
+): Promise<UnversionedTree | undefined> {
   const basePath = rootPath || originalPath
 
   // On recursive runs, this is processing page.children items in `/<link>` format.
   // If the path exists as is, assume this is a directory with a child index.md.
   // Otherwise, assume it's a child .md file and add `.md` to the path.
-  let filepath
+  let filepath: string
-  let mtime
+  let mtime: number
   // This kills two birds with one stone. We (attempt to) read it as a file,
   // to find out if it's a directory or a file and whence we know that
   // we also collect it's modification time.
@@ -18,7 +23,7 @@ export default async function createTree(originalPath, rootPath, previousTree) {
     filepath = `${originalPath}.md`
     mtime = await getMtime(filepath)
   } catch (error) {
-    if (error.code !== 'ENOENT') {
+    if ((error as NodeJS.ErrnoException).code !== 'ENOENT') {
       throw error
     }
     filepath = `${originalPath}/index.md`
@@ -30,7 +35,7 @@ export default async function createTree(originalPath, rootPath, previousTree) {
     try {
       mtime = await getMtime(filepath)
     } catch (error) {
-      if (error.code !== 'ENOENT') {
+      if ((error as NodeJS.ErrnoException).code !== 'ENOENT') {
         throw error
       }
       // Throw an error if we can't find a content file associated with the children: entry.
@@ -51,7 +56,7 @@ export default async function createTree(originalPath, rootPath, previousTree) {
   // Reading in a file from disk is slow and best avoided if we can be
   // certain it isn't necessary. If the previous tree is known and that
   // tree's page node's `mtime` hasn't changed, we can use that instead.
-  let page
+  let page: Page
   if (previousTree && previousTree.page.mtime === mtime) {
     // A save! We can use the same exact Page instance from the previous
     // tree because the assumption is that since the `.md` file it was
@@ -61,20 +66,22 @@ export default async function createTree(originalPath, rootPath, previousTree) {
   } else {
     // Either the previous tree doesn't exist yet or the modification time
     // of the file on disk has changed.
-    page = await Page.init({
+    const newPage = await PageClass.init({
       basePath,
       relativePath,
       languageCode: 'en',
       mtime,
-    })
+      // PageInitOptions doesn't include mtime in its type definition, but PageReadResult uses `& any`
-  }
+      // which allows additional properties to be passed through to the Page constructor
-
+    } as any)
-  if (!page) {
+    if (!newPage) {
       throw Error(`Cannot initialize page for ${filepath}`)
     }
+    page = newPage as unknown as Page
+  }
 
   // Create the root tree object on the first run, and create children recursively.
-  const item = {
+  const item: UnversionedTree = {
     page,
     // This is only here for the sake of reloading the tree later which
     // only happens in development mode.
@@ -86,18 +93,23 @@ export default async function createTree(originalPath, rootPath, previousTree) {
     // this value now will be different from what it was before.
     // It's not enough to rely on *length* of the array before and after
     // because the change could have been to remove one and add another.
-    children: page.children,
+    // Page class has dynamic frontmatter properties like 'children' that aren't in the type definition
+    children: (page as any).children || [],
+    childPages: [],
   }
 
   // Process frontmatter children recursively.
-  if (item.page.children) {
+  // Page class has dynamic frontmatter properties like 'children' that aren't in the type definition
-    assertUniqueChildren(item.page)
+  if ((page as any).children) {
+    assertUniqueChildren(page as any)
     item.childPages = (
       await Promise.all(
-        item.page.children.map(async (child, i) => {
+        // Page class has dynamic frontmatter properties like 'children' that aren't in the type definition
-          let childPreviousTree
+        ((page as any).children as string[]).map(async (child: string, i: number) => {
+          let childPreviousTree: UnversionedTree | undefined
           if (previousTree && previousTree.childPages) {
-            if (equalArray(item.page.children, previousTree.children)) {
+            // Page class has dynamic frontmatter properties like 'children' that aren't in the type definition
+            if (equalArray((page as any).children, previousTree.children)) {
               // We can only safely rely on picking the same "n'th" item
               // from the array if we're confident the names are the same
               // as they were before.
@@ -119,22 +131,25 @@ export default async function createTree(originalPath, rootPath, previousTree) {
             // (early exit instead of returning a tree). So let's
             // mutate the `page.children` so we can benefit from the
             // ability to reload the site tree on consecutive requests.
-            item.page.children = item.page.children.filter((c) => c !== child)
+            // Page class has dynamic frontmatter properties like 'children' that aren't in the type definition
+            ;(page as any).children = ((page as any).children as string[]).filter(
+              (c: string) => c !== child,
+            )
           }
           return subTree
         }),
       )
-    ).filter(Boolean)
+    ).filter((tree): tree is UnversionedTree => tree !== undefined)
   }
 
   return item
 }
 
-function equalArray(arr1, arr2) {
+function equalArray(arr1: string[], arr2: string[]): boolean {
   return arr1.length === arr2.length && arr1.every((value, i) => value === arr2[i])
 }
 
-async function getMtime(filePath) {
+async function getMtime(filePath: string): Promise<number> {
   // Use mtimeMs, which is a regular floating point number, instead of the
   // mtime which is a Date based on that same number.
   // Otherwise, if we use the Date instances, we have to compare
@@ -150,10 +165,11 @@ async function getMtime(filePath) {
   return Math.round(mtimeMs)
 }
 
-function assertUniqueChildren(page) {
+// Page class has dynamic frontmatter properties that aren't in the type definition
+function assertUniqueChildren(page: any): void {
   if (page.children.length !== new Set(page.children).size) {
-    const count = {}
+    const count: Record<string, number> = {}
-    page.children.forEach((entry) => (count[entry] = 1 + (count[entry] || 0)))
+    page.children.forEach((entry: string) => (count[entry] = 1 + (count[entry] || 0)))
     let msg = `${page.relativePath} has duplicates in the 'children' key.`
     for (const [entry, times] of Object.entries(count)) {
       if (times > 1) msg += ` '${entry}' is repeated ${times} times. `

src/frame/tests/pages.ts

@@ -10,6 +10,7 @@ import libLanguages from '@/languages/lib/languages'
 import { liquid } from '@/content-render/index'
 import patterns from '@/frame/lib/patterns'
 import removeFPTFromPath from '@/versions/lib/remove-fpt-from-path'
+import type { Page } from '@/types'
 
 const languageCodes = Object.keys(libLanguages)
 const slugger = new GithubSlugger()
@@ -17,7 +18,7 @@ const slugger = new GithubSlugger()
 describe('pages module', () => {
   vi.setConfig({ testTimeout: 60 * 1000 })
 
-  let pages
+  let pages: Page[]
 
   beforeAll(async () => {
     pages = await loadPages()
@@ -50,29 +51,30 @@ describe('pages module', () => {
       const englishPages = chain(pages)
         .filter(['languageCode', 'en'])
         .filter('redirect_from')
-        .map((pages) => pick(pages, ['redirect_from', 'applicableVersions', 'fullPath']))
+        .map((page) => pick(page, ['redirect_from', 'applicableVersions', 'fullPath']))
         .value()
 
       // Map from redirect path to Set of file paths
-      const redirectToFiles = new Map()
+      const redirectToFiles = new Map<string, Set<string>>()
-      const versionedRedirects = []
+      const versionedRedirects: Array<{ path: string; file: string }> = []
 
-      englishPages.forEach((page) => {
+      // Page objects have dynamic properties from chain/lodash that aren't fully typed
-        page.redirect_from.forEach((redirect) => {
+      englishPages.forEach((page: any) => {
-          page.applicableVersions.forEach((version) => {
+        page.redirect_from.forEach((redirect: string) => {
+          page.applicableVersions.forEach((version: string) => {
             const versioned = removeFPTFromPath(path.posix.join('/', version, redirect))
             versionedRedirects.push({ path: versioned, file: page.fullPath })
             if (!redirectToFiles.has(versioned)) {
-              redirectToFiles.set(versioned, new Set())
+              redirectToFiles.set(versioned, new Set<string>())
             }
-            redirectToFiles.get(versioned).add(page.fullPath)
+            redirectToFiles.get(versioned)!.add(page.fullPath)
           })
         })
       })
 
       // Only consider as duplicate if more than one unique file defines the same redirect
       const duplicates = Array.from(redirectToFiles.entries())
-        .filter(([_, files]) => files.size > 1)
+        .filter(([, files]) => files.size > 1)
         .map(([path]) => path)
 
       // Build a detailed message with sources for each duplicate
@@ -96,7 +98,8 @@ describe('pages module', () => {
           return (
             page.languageCode === 'en' && // only check English
             !page.relativePath.includes('index.md') && // ignore TOCs
-            !page.allowTitleToDifferFromFilename && // ignore docs with override
+            // Page class has dynamic frontmatter properties like 'allowTitleToDifferFromFilename' not in type definition
+            !(page as any).allowTitleToDifferFromFilename && // ignore docs with override
             slugger.slug(decode(page.title)) !== path.basename(page.relativePath, '.md') &&
             slugger.slug(decode(page.shortTitle || '')) !== path.basename(page.relativePath, '.md')
           )
@@ -127,7 +130,8 @@ describe('pages module', () => {
     test('every page has valid frontmatter', async () => {
       const frontmatterErrors = chain(pages)
         // .filter(page => page.languageCode === 'en')
-        .map((page) => page.frontmatterErrors)
+        // Page class has dynamic error properties like 'frontmatterErrors' not in type definition
+        .map((page) => (page as any).frontmatterErrors)
         .filter(Boolean)
         .flatten()
         .value()
@@ -141,17 +145,18 @@ describe('pages module', () => {
     })
 
     test('every page has valid Liquid templating', async () => {
-      const liquidErrors = []
+      const liquidErrors: Array<{ filename: string; error: string }> = []
 
       for (const page of pages) {
-        const markdown = page.raw
+        // Page class has dynamic properties like 'raw' markdown not in type definition
+        const markdown = (page as any).raw
         if (!patterns.hasLiquid.test(markdown)) continue
         try {
           await liquid.parse(markdown)
         } catch (error) {
           liquidErrors.push({
             filename: page.fullPath,
-            error: error.message,
+            error: (error as Error).message,
           })
         }
       }

src/frame/tests/read-frontmatter.ts

@@ -22,9 +22,9 @@ versions:
 describe('frontmatter', () => {
   test('parses frontmatter and content in a given string (no options required)', () => {
     const { data, content, errors } = parse(fixture1)
-    expect(data.title).toBe('Hello, World')
+    expect(data!.title).toBe('Hello, World')
-    expect(data.meaning_of_life).toBe(42)
+    expect(data!.meaning_of_life).toBe(42)
-    expect(content.trim()).toBe('I am content.')
+    expect(content!.trim()).toBe('I am content.')
     expect(errors.length).toBe(0)
   })
 
@@ -85,9 +85,9 @@ I am content.
       }
 
       const { data, content, errors } = parse(fixture1, { schema })
-      expect(data.title).toBe('Hello, World')
+      expect(data!.title).toBe('Hello, World')
-      expect(data.meaning_of_life).toBe(42)
+      expect(data!.meaning_of_life).toBe(42)
-      expect(content.trim()).toBe('I am content.')
+      expect(content!.trim()).toBe('I am content.')
       expect(errors.length).toBe(0)
     })
 
@@ -102,9 +102,9 @@ I am content.
       }
 
       const { data, content, errors } = parse(fixture1, { schema })
-      expect(data.title).toBe('Hello, World')
+      expect(data!.title).toBe('Hello, World')
-      expect(data.meaning_of_life).toBe(42)
+      expect(data!.meaning_of_life).toBe(42)
-      expect(content.trim()).toBe('I am content.')
+      expect(content!.trim()).toBe('I am content.')
       expect(errors.length).toBe(1)
       const expectedError = {
         instancePath: '/meaning_of_life',
@@ -121,7 +121,10 @@ I am content.
 
     test('creates errors if versions frontmatter does not match semver format', () => {
       const schema = { type: 'object', required: ['versions'], properties: {} }
-      schema.properties.versions = Object.assign({}, frontmatterSchema.properties.versions)
+      ;(schema.properties as any).versions = Object.assign(
+        {},
+        (frontmatterSchema.properties as any).versions,
+      )
 
       const { errors } = parse(fixture2, { schema })
       const expectedError = {

src/rest/scripts/utils/operation.ts

@@ -1,6 +1,8 @@
+// @ts-ignore - no types available
 import httpStatusCodes from 'http-status-code'
 import { get, isPlainObject } from 'lodash-es'
 import { parseTemplate } from 'url-template'
+// @ts-ignore - no types available
 import mergeAllOf from 'json-schema-merge-allof'
 
 import { renderContent } from './render-content'
@@ -10,19 +12,41 @@ import { validateJson } from '@/tests/lib/validate-json-schema'
 import { getBodyParams } from './get-body-params'
 
 export default class Operation {
-  #operation
+  // OpenAPI operation object - schema is dynamic and varies by endpoint
-  constructor(verb, requestPath, operation, globalServers) {
+  #operation: any
+  serverUrl: string
+  verb: string
+  requestPath: string
+  title: string
+  category: string
+  subcategory: string
+  // OpenAPI parameters vary by endpoint, no fixed schema available
+  parameters: any[]
+  // Body parameters are dynamically generated from OpenAPI schema
+  bodyParameters: any[]
+  descriptionHTML?: string
+  // Code examples structure varies by language and endpoint
+  codeExamples?: any[]
+  // Status codes are dynamically generated from OpenAPI responses
+  statusCodes?: any[]
+  previews?: any[]
+  // Programmatic access data structure varies by operation
+  progAccess?: any
+
+  // OpenAPI operation and globalServers objects have dynamic schema
+  constructor(verb: string, requestPath: string, operation: any, globalServers?: any[]) {
     this.#operation = operation
     // The global server object sets metadata including the base url for
     // all operations in a version. Individual operations can override
     // the global server url at the operation level.
-    this.serverUrl = operation.servers ? operation.servers[0].url : globalServers[0].url
+    this.serverUrl = operation.servers ? operation.servers[0].url : globalServers?.[0]?.url
 
     const serverVariables = operation.servers
       ? operation.servers[0].variables
-      : globalServers[0].variables
+      : globalServers?.[0]?.variables
     if (serverVariables) {
-      const templateVariables = {}
+      // Template variables structure comes from OpenAPI server variables
+      const templateVariables: Record<string, any> = {}
       Object.keys(serverVariables).forEach(
         (key) => (templateVariables[key] = serverVariables[key].default),
       )
@@ -47,9 +71,10 @@ export default class Operation {
     return this
   }
 
-  async process(progAccessData) {
+  // Programmatic access data structure varies by operation and is not strongly typed
+  async process(progAccessData: any): Promise<void> {
     await Promise.all([
-      this.codeExamples(),
+      this.renderCodeExamples(),
       this.renderDescription(),
       this.renderStatusCodes(),
       this.renderParameterDescriptions(),
@@ -65,7 +90,7 @@ export default class Operation {
     }
   }
 
-  async renderDescription() {
+  async renderDescription(): Promise<this> {
     try {
       this.descriptionHTML = await renderContent(this.#operation.description)
       return this
@@ -75,25 +100,27 @@ export default class Operation {
     }
   }
 
-  async codeExamples() {
+  async renderCodeExamples(): Promise<any[]> {
-    this.codeExamples = await getCodeSamples(this.#operation)
+    const codeExamples = await getCodeSamples(this.#operation)
     try {
-      return await Promise.all(
+      this.codeExamples = await Promise.all(
-        this.codeExamples.map(async (codeExample) => {
+        // Code example structure varies by endpoint and language
+        codeExamples.map(async (codeExample: any) => {
           codeExample.response.description = await renderContent(codeExample.response.description)
           return codeExample
         }),
       )
+      return this.codeExamples
     } catch (error) {
       console.error(error)
       throw new Error(`Error generating code examples for ${this.verb} ${this.requestPath}`)
     }
   }
 
-  async renderStatusCodes() {
+  async renderStatusCodes(): Promise<void> {
     const responses = this.#operation.responses
     const responseKeys = Object.keys(responses)
-    if (responseKeys.length === 0) return []
+    if (responseKeys.length === 0) return
 
     try {
       this.statusCodes = await Promise.all(
@@ -121,7 +148,7 @@ export default class Operation {
     }
   }
 
-  async renderParameterDescriptions() {
+  async renderParameterDescriptions(): Promise<any[]> {
     try {
       return Promise.all(
         this.parameters.map(async (param) => {
@@ -135,8 +162,8 @@ export default class Operation {
     }
   }
 
-  async renderBodyParameterDescriptions() {
+  async renderBodyParameterDescriptions(): Promise<void> {
-    if (!this.#operation.requestBody) return []
+    if (!this.#operation.requestBody) return
 
     // There is currently only one operation with more than one content type
     // and the request body parameter types are the same for both.
@@ -161,11 +188,12 @@ export default class Operation {
     }
   }
 
-  async renderPreviewNotes() {
+  async renderPreviewNotes(): Promise<void> {
     const previews = get(this.#operation, 'x-github.previews', [])
     try {
       this.previews = await Promise.all(
-        previews.map(async (preview) => {
+        // Preview note structure from OpenAPI x-github extension is dynamic
+        previews.map(async (preview: any) => {
           const note = preview.note
             // remove extra leading and trailing newlines
             .replace(/```\n\n\n/gm, '```\n')
@@ -186,7 +214,8 @@ export default class Operation {
     }
   }
 
-  programmaticAccess(progAccessData) {
+  // Programmatic access data structure varies by operation and is not strongly typed
+  programmaticAccess(progAccessData: any): void {
     this.progAccess = progAccessData[this.#operation.operationId]
   }
 }

src/rest/tests/cli-examples.ts

@@ -1,6 +1,8 @@
 import { describe, expect, test } from 'vitest'
 
 import { getGHExample, getShellExample } from '../components/get-rest-code-samples'
+import type { CodeSample, Operation } from '@/rest/components/types'
+import type { VersionItem } from '@/frame/components/context/MainContext'
 
 describe('CLI examples generation', () => {
   const mockOperation = {
@@ -9,14 +11,16 @@ describe('CLI examples generation', () => {
     serverUrl: 'https://api.github.com',
     subcategory: 'code-scanning',
     parameters: [],
-  }
+    // Partial mock object for testing - 'as unknown as' bypasses strict type checking for missing properties
+  } as unknown as Operation
 
   const mockVersions = {
     'free-pro-team@latest': {
       apiVersions: ['2022-11-28'],
       latestApiVersion: '2022-11-28',
     },
-  }
+    // Partial mock object for testing - 'as unknown as' bypasses strict type checking for missing properties
+  } as unknown as Record<string, VersionItem>
 
   test('GitHub CLI example properly escapes contractions in string values', () => {
     const codeSample = {
@@ -33,7 +37,8 @@ describe('CLI examples generation', () => {
             "This alert is not actually correct, because there's a sanitizer included in the library.",
         },
       },
-    }
+      // Partial mock object for testing - 'as unknown as' bypasses strict type checking for missing properties
+    } as unknown as CodeSample
 
     const result = getGHExample(mockOperation, codeSample, 'free-pro-team@latest', mockVersions)
 
@@ -61,7 +66,8 @@ describe('CLI examples generation', () => {
         },
         contentType: 'application/json',
       },
-    }
+      // Partial mock object for testing - 'as unknown as' bypasses strict type checking for missing properties
+    } as unknown as CodeSample
 
     const result = getShellExample(mockOperation, codeSample, 'free-pro-team@latest', mockVersions)
 
@@ -83,7 +89,8 @@ describe('CLI examples generation', () => {
           body: "It's not working because there's an issue and we can't fix it",
         },
       },
-    }
+      // Partial mock object for testing - 'as unknown as' bypasses strict type checking for missing properties
+    } as unknown as CodeSample
 
     const mockSimpleOperation = {
       verb: 'post',
@@ -91,7 +98,8 @@ describe('CLI examples generation', () => {
       serverUrl: 'https://api.github.com',
       subcategory: 'issues',
       parameters: [],
-    }
+      // Partial mock object for testing - 'as unknown as' bypasses strict type checking for missing properties
+    } as unknown as Operation
 
     const result = getGHExample(
       mockSimpleOperation,
@@ -121,7 +129,8 @@ describe('CLI examples generation', () => {
             'This alert is not actually correct because there is a sanitizer included in the library.',
         },
       },
-    }
+      // Partial mock object for testing - 'as unknown as' bypasses strict type checking for missing properties
+    } as unknown as CodeSample
 
     const result = getGHExample(mockOperation, codeSample, 'free-pro-team@latest', mockVersions)
 
@@ -143,7 +152,8 @@ describe('CLI examples generation', () => {
         },
         contentType: 'application/x-www-form-urlencoded',
       },
-    }
+      // Partial mock object for testing - 'as unknown as' bypasses strict type checking for missing properties
+    } as unknown as CodeSample
 
     const mockSimpleOperation = {
       verb: 'post',
@@ -151,7 +161,8 @@ describe('CLI examples generation', () => {
       serverUrl: 'https://api.github.com',
       subcategory: 'pulls',
       parameters: [],
-    }
+      // Partial mock object for testing - 'as unknown as' bypasses strict type checking for missing properties
+    } as unknown as Operation
 
     const result = getShellExample(
       mockSimpleOperation,

src/rest/tests/rendering.ts

@@ -145,7 +145,7 @@ describe('REST references docs', () => {
   })
 })
 
-function formatErrors(differences) {
+function formatErrors(differences: Record<string, any>): string {
   let errorMessage = 'There are differences in Categories/Subcategories in:\n'
   for (const schema in differences) {
     errorMessage += 'Version: ' + schema + '\n'