Convert 28 JavaScript files to TypeScript (#57753)

src/data-directory/tests/data-schemas.ts

@@ -4,6 +4,7 @@ import { extname, basename } from 'path'
 
 import walk from 'walk-sync'
 import { beforeAll, describe, expect, test } from 'vitest'
+import type { ValidateFunction, SchemaObject } from 'ajv'
 
 import { getJsonValidator, validateJson } from '@/tests/lib/validate-json-schema'
 import { formatAjvErrors } from '@/tests/helpers/schemas'
@@ -19,7 +20,8 @@ const yamlWalkOptions = {
 }
 
 for (const dataDir of directorySchemas) {
-  let schema, validate
+  let schema: SchemaObject
+  let validate: ValidateFunction
   const dataDirectoryName = basename(dataDir)
   const yamlFileList = walk(dataDir, yamlWalkOptions).sort()
 
@@ -32,7 +34,7 @@ for (const dataDir of directorySchemas) {
     test.each(yamlFileList)('%p', async (yamlAbsPath) => {
       const yamlContent = yaml.load(readFileSync(yamlAbsPath, 'utf8'))
       const isValid = validate(yamlContent)
-      const formattedErrors = isValid ? validate.errors : formatAjvErrors(validate.errors)
+      const formattedErrors = isValid ? undefined : formatAjvErrors(validate.errors || [])
       expect(isValid, formattedErrors).toBe(true)
     })
   })
@@ -43,6 +45,7 @@ describe('single data files', () => {
     const ymlData = yaml.load(readFileSync(filepath, 'utf8'))
     const schema = (await import(dataSchemas[filepath])).default
     const { isValid, errors } = validateJson(schema, ymlData)
-    expect(isValid, errors).toBe(true)
+    const formattedErrors = isValid ? undefined : formatAjvErrors(errors || [])
+    expect(isValid, formattedErrors).toBe(true)
   })
 })

src/data-directory/tests/index.ts

@@ -20,7 +20,7 @@ describe('data-directory', () => {
   })
 
   test('option: preprocess function', async () => {
-    const preprocess = function (content) {
+    const preprocess = function (content: string) {
       return content.replace('markdown', 'MARKDOWN')
     }
     const data = dataDirectory(fixturesDir, { preprocess })
@@ -35,7 +35,7 @@ describe('data-directory', () => {
   })
 
   test('option: ignorePatterns', async () => {
-    const ignorePatterns = []
+    const ignorePatterns: RegExp[] = []
 
     // README is ignored by default
     expect('README' in dataDirectory(fixturesDir)).toBe(false)