refactor: cherry-pick type fixes from #7058 and #7068

src/commands/deploy/deploy.ts

@@ -228,20 +228,14 @@
   return { deployFolderStat, functionsFolderStat }
 }
 
-/**
- * @param {object} config
- * @param {string} config.deployFolder
- * @param {*} config.site
- * @returns
- */
-// @ts-expect-error TS(7031) FIXME: Binding element 'deployFolder' implicitly has an '... Remove this comment to see the full error message
-const getDeployFilesFilter = ({ deployFolder, site }) => {
+const getDeployFilesFilter = ({ deployFolder, site }: { deployFolder: string; site: { root: string } }) => {
   // site.root === deployFolder can happen when users run `netlify deploy --dir .`
   // in that specific case we don't want to publish the repo node_modules
   // when site.root !== deployFolder the behaviour matches our buildbot
   const skipNodeModules = site.root === deployFolder
 
   return (filename: string) => {
+    // TODO(serhalp) Per types, this should not be possible. Confirm and remove this check.
     if (filename == null) {
       return false
     }
@@ -285,21 +279,25 @@
   }
 }
 
-// @ts-expect-error TS(7006) FIXME: Parameter 'actual' implicitly has an 'any' type.
-const hasErrorMessage = (actual, expected) => {
+const hasErrorMessage = (actual: unknown, expected: string): boolean => {
   if (typeof actual === 'string') {
     return actual.includes(expected)
   }
   return false
 }
 
-// @ts-expect-error TS(7031) FIXME: Binding element 'error_' implicitly has an 'any' t... Remove this comment to see the full error message
-const reportDeployError = ({ error_, failAndExit }) => {
+const reportDeployError = ({
+  error_,
+  failAndExit,
+}: {
+  error_: (Error & { json?: Record<string, unknown>; status?: number }) | any
+  failAndExit: (errorOrMessage: Error | string) => void
+}) => {
   switch (true) {
     case error_.name === 'JSONHTTPError': {
       const message = error_?.json?.message ?? ''
       if (hasErrorMessage(message, 'Background Functions not allowed by team plan')) {
         return failAndExit(`\n${BACKGROUND_FUNCTIONS_WARNING}`)
       }
       warn(`JSONHTTPError: ${message} ${error_.status}`)
       warn(`\n${JSON.stringify(error_, null, '  ')}\n`)

src/commands/functions/functions-create.ts

@@ -607,7 +607,7 @@
       env: command.netlify.cachedConfig.env,
       site: command.netlify.site,
     })
     injectEnvVariables(env)
     await onComplete.call(command)
   }
 }
@@ -640,7 +640,7 @@
     return
   }
 
-  await injectEnvVariables({
+  injectEnvVariables({
     devConfig: { ...config.dev },
     env: command.netlify.cachedConfig.env,
     site: command.netlify.site,

src/commands/types.d.ts

@@ -14,7 +14,7 @@ export type NetlifySite = {
   configPath?: string
   siteId?: string
   get id(): string | undefined
-  set id(id: string): void
+  set id(id: string)
 }
 
 /**

src/utils/dev.ts

@@ -8,6 +8,9 @@
 
 import { NETLIFYDEVLOG, chalk, logAndThrowError, log, warn, APIError } from './command-helpers.js'
 import { loadDotEnvFiles } from './dot-env.js'
+import type { CachedConfig } from '../lib/build.js'
+import type { NetlifySite } from '../commands/types.js'
+import type { DevConfig } from '../commands/dev/types.js'
 import type { EnvironmentVariables, SiteInfo } from './types.js'
 
 // Possible sources of environment variables. For the purpose of printing log messages only. Order does not matter.
@@ -41,8 +44,7 @@
 const ERROR_CALL_TO_ACTION =
   "Double-check your login status with 'netlify status' or contact support with details of your error."
 
-// @ts-expect-error TS(7031) FIXME: Binding element 'site' implicitly has an 'any' typ... Remove this comment to see the full error message
-const validateSiteInfo = ({ site, siteInfo }) => {
+const validateSiteInfo = ({ site, siteInfo }: { site: NetlifySite; siteInfo: SiteInfo }): void => {
   if (isEmpty(siteInfo)) {
     return logAndThrowError(
       `Failed to retrieve project information for project ${chalk.yellow(site.id)}. ${ERROR_CALL_TO_ACTION}`,
@@ -73,9 +75,9 @@
   }
 }
 
-// @ts-expect-error TS(7031) FIXME: Binding element 'api' implicitly has an 'any' type... Remove this comment to see the full error message
-const getAddons = async ({ api, site }) => {
+const getAddons = async ({ api, site }: { api: NetlifyAPI; site: NetlifySite }) => {
   try {
+    // @ts-expect-error(serhalp) One of three types is incorrect here (is `site.id` optional?). Dig and fix.
     const addons = await api.listServiceInstancesForSite({ siteId: site.id })
     return addons
   } catch (error_) {
@@ -87,13 +89,11 @@
   }
 }
 
-// @ts-expect-error TS(7031) FIXME: Binding element 'addons' implicitly has an 'any' t... Remove this comment to see the full error message
-const getAddonsInformation = ({ addons, siteInfo }) => {
+type Addons = Awaited<ReturnType<NetlifyAPI['listServiceInstancesForSite']>>
+const getAddonsInformation = ({ addons, siteInfo }: { addons: Addons; siteInfo: SiteInfo }) => {
   const urls = Object.fromEntries(
-    // @ts-expect-error TS(7006) FIXME: Parameter 'addon' implicitly has an 'any' type.
     addons.map((addon) => [addon.service_slug, `${siteInfo.ssl_url}${addon.service_path}`]),
   )
-  // @ts-expect-error TS(7006) FIXME: Parameter 'addon' implicitly has an 'any' type.
   const env = Object.assign({}, ...addons.map((addon) => addon.env))
   return { urls, env }
 }
@@ -113,17 +113,17 @@
 // default 15 minutes for background functions
 const BACKGROUND_FUNCTION_TIMEOUT = 900
 
-/**
- *
- * @param {object} config
- * @param {boolean} config.offline
- * @param {*} config.api
- * @param {*} config.site
- * @param {*} config.siteInfo
- * @returns
- */
-// @ts-expect-error TS(7031) FIXME: Binding element 'api' implicitly has an 'any' type... Remove this comment to see the full error message
-export const getSiteInformation = async ({ api, offline, site, siteInfo }) => {
+export const getSiteInformation = async ({
+  api,
+  offline,
+  site,
+  siteInfo,
+}: {
+  api: NetlifyAPI
+  offline: boolean
+  site: NetlifySite
+  siteInfo: SiteInfo
+}) => {
   if (site.id && !offline) {
     validateSiteInfo({ site, siteInfo })
     const [accounts, addons] = await Promise.all([getAccounts({ api }), getAddons({ api, site })])
@@ -139,7 +139,7 @@
         backgroundFunctions: supportsBackgroundFunctions(account),
       },
       timeouts: {
         syncFunctions: siteInfo.functions_timeout ?? siteInfo.functions_config?.timeout ?? SYNCHRONOUS_FUNCTION_TIMEOUT,
         backgroundFunctions: BACKGROUND_FUNCTION_TIMEOUT,
       },
     }
@@ -157,21 +157,22 @@
   }
 }
 
-// @ts-expect-error TS(7006) FIXME: Parameter 'source' implicitly has an 'any' type.
-const getEnvSourceName = (source) => {
-  // @ts-expect-error TS(7053) FIXME: Element implicitly has an 'any' type because expre... Remove this comment to see the full error message
-  const { name = source, printFn = chalk.green } = ENV_VAR_SOURCES[source] || {}
+const getEnvSourceName = (source: string) => {
+  const { name = source, printFn = chalk.green } = ENV_VAR_SOURCES[source] ?? {}
 
   return printFn(name)
 }
 
-/**
- * @param {{devConfig: any, env: Record<string, { sources: string[], value: string}>, site: any}} param0
- */
-// @ts-expect-error TS(7031) FIXME: Binding element 'devConfig' implicitly has an 'any... Remove this comment to see the full error message
-export const getDotEnvVariables = async ({ devConfig, env, site }): Promise<EnvironmentVariables> => {
+export const getDotEnvVariables = async ({
+  devConfig,
+  env,
+  site,
+}: {
+  devConfig: DevConfig
+  env: CachedConfig['env']
+  site: NetlifySite
+}): Promise<Record<string, { sources: string[]; value: string }>> => {
   const dotEnvFiles = await loadDotEnvFiles({ envFiles: devConfig.envFiles, projectDir: site.root })
-  // @ts-expect-error TS(2339) FIXME: Property 'env' does not exist on type '{ warning: ... Remove this comment to see the full error message
   dotEnvFiles.forEach(({ env: fileEnv, file }) => {
     const newSourceName = `${file} file`
 
@@ -183,6 +184,7 @@
       }
 
       env[key] = {
+        // @ts-expect-error(serhalp) Something isn't right with these types but it's a can of worms.
         sources,
         value: fileEnv[key],
       }
@@ -248,8 +250,7 @@
   return acquiredPort
 }
 
-// @ts-expect-error TS(7006) FIXME: Parameter 'fn' implicitly has an 'any' type.
-export const processOnExit = (fn) => {
+export const processOnExit = (fn: (...args: unknown[]) => void) => {
   const signals = ['SIGINT', 'SIGTERM', 'SIGQUIT', 'SIGHUP', 'exit']
   signals.forEach((signal) => {
     process.on(signal, fn)

src/utils/dot-env.ts

@@ -1,44 +1,58 @@
 import { readFile } from 'fs/promises'
 import path from 'path'
 
-import dotenv from 'dotenv'
+import dotenv, { type DotenvParseOutput } from 'dotenv'
 
 import { isFileAsync } from '../lib/fs.js'
 
 import { warn } from './command-helpers.js'
 
-// @ts-expect-error TS(7031) FIXME: Binding element 'envFiles' implicitly has an 'any'... Remove this comment to see the full error message
-export const loadDotEnvFiles = async function ({ envFiles, projectDir }) {
-  const response = await tryLoadDotEnvFiles({ projectDir, dotenvFiles: envFiles })
+interface LoadedDotEnvFile {
+  file: string
+  env: DotenvParseOutput
+}
+
+export const loadDotEnvFiles = async function ({
+  envFiles,
+  projectDir,
+}: {
+  envFiles?: string[]
+  projectDir?: string
+}): Promise<LoadedDotEnvFile[]> {
+  const loadedDotEnvFiles = await tryLoadDotEnvFiles({ projectDir, dotenvFiles: envFiles })
 
-  // @ts-expect-error TS(2532) FIXME: Object is possibly 'undefined'.
-  const filesWithWarning = response.filter((el) => el.warning)
-  filesWithWarning.forEach((el) => {
-    // @ts-expect-error TS(2532) FIXME: Object is possibly 'undefined'.
-    warn(el.warning)
-  })
+  loadedDotEnvFiles
+    .filter((el): el is { warning: string } => 'warning' in el)
+    .forEach((el) => {
+      warn(el.warning)
+    })
 
-  // @ts-expect-error TS(2532) FIXME: Object is possibly 'undefined'.
-  return response.filter((el) => el.file && el.env)
+  return loadedDotEnvFiles.filter((el): el is LoadedDotEnvFile => 'file' in el && 'env' in el)
 }
 
 // in the user configuration, the order is highest to lowest
 const defaultEnvFiles = ['.env.development.local', '.env.local', '.env.development', '.env']
 
-// @ts-expect-error TS(7031) FIXME: Binding element 'projectDir' implicitly has an 'an... Remove this comment to see the full error message
-export const tryLoadDotEnvFiles = async ({ dotenvFiles = defaultEnvFiles, projectDir }) => {
+export const tryLoadDotEnvFiles = async ({
+  dotenvFiles = defaultEnvFiles,
+  projectDir,
+}: {
+  dotenvFiles?: string[]
+  projectDir?: string
+}): Promise<Array<LoadedDotEnvFile | { warning: string }>> => {
   const results = await Promise.all(
     dotenvFiles.map(async (file) => {
-      const filepath = path.resolve(projectDir, file)
+      const filepath = path.resolve(projectDir ?? '', file)
       try {
         const isFile = await isFileAsync(filepath)
         if (!isFile) {
           return
         }
       } catch (error) {
         return {
-          // @ts-expect-error TS(2571) FIXME: Object is of type 'unknown'.
-          warning: `Failed reading env variables from file: ${filepath}: ${error.message}`,
+          warning: `Failed reading env variables from file: ${filepath}: ${
+            error instanceof Error ? error.message : error?.toString()
+          }`,
         }
       }
       const content = await readFile(filepath, 'utf-8')
@@ -48,5 +62,5 @@
   )
 
   // we return in order of lowest to highest priority
-  return results.filter(Boolean).reverse()
+  return results.filter((result): result is LoadedDotEnvFile => result != null).reverse()
 }

src/utils/open-browser.ts

@@ -18,12 +18,12 @@ const unableToOpenBrowserMessage = function ({ message, url }: BrowserUnableMess
   log('---------------------------')
 }
 
-type OpenBrowsrProps = {
+type OpenBrowserProps = {
   silentBrowserNoneError?: boolean
   url: string
 }
 
-const openBrowser = async function ({ silentBrowserNoneError, url }: OpenBrowsrProps) {
+const openBrowser = async function ({ silentBrowserNoneError, url }: OpenBrowserProps) {
   if (isDockerContainer()) {
     unableToOpenBrowserMessage({ url, message: 'Running inside a docker container' })
     return

src/utils/proxy-server.ts

@@ -64,7 +64,7 @@ export const startProxyServer = async ({
   state,
 }: {
   accountId: string | undefined
-  addonsUrls: $TSFixMe
+  addonsUrls: Record<string, string>
   api?: NetlifyOptions['api']
   blobsContext?: BlobsContextWithEdgeAccess
   command: BaseCommand