refactor(pnpm): return type annotations (#7925)

pnpm/src/checkForUpdates.ts

@@ -13,7 +13,7 @@ interface State {
 
 const UPDATE_CHECK_FREQUENCY = 24 * 60 * 60 * 1000 // 1 day
 
-export async function checkForUpdates (config: Config) {
+export async function checkForUpdates (config: Config): Promise<void> {
   const stateFile = path.join(config.stateDir, 'pnpm-state.json')
   let state: State | undefined
   try {

pnpm/src/cmd/bin.ts

@@ -5,7 +5,7 @@ import renderHelp from 'render-help'
 
 export const rcOptionsTypes = cliOptionsTypes
 
-export function cliOptionsTypes () {
+export function cliOptionsTypes (): Record<string, unknown> {
   return pick([
     'global',
   ], allTypes)
@@ -13,7 +13,7 @@ export function cliOptionsTypes () {
 
 export const commandNames = ['bin']
 
-export function help () {
+export function help (): string {
   return renderHelp({
     description: 'Print the directory where pnpm will install executables.',
     descriptionLists: [
@@ -38,6 +38,6 @@ export async function handler (
   opts: {
     bin: string
   }
-) {
+): Promise<string> {
   return opts.bin
 }

pnpm/src/cmd/help.ts

@@ -1,7 +1,7 @@
 import { packageManager } from '@pnpm/cli-meta'
 import renderHelp from 'render-help'
 
-export function createHelp (helpByCommandName: Record<string, () => string>) {
+export function createHelp (helpByCommandName: Record<string, () => string>): (opts: unknown, params: string[]) => string {
   return function (opts: unknown, params: string[]) {
     let helpText!: string
     if (params.length === 0) {
@@ -17,7 +17,7 @@ ${process['pkg'] != null ? ` (compiled to binary; bundled Node.js ${process.vers
   }
 }
 
-function getHelpText () {
+function getHelpText (): string {
   return renderHelp({
     descriptionLists: [
       {

pnpm/src/cmd/index.ts

@@ -202,17 +202,17 @@ handlerByCommandName['completion-server'] = createCompletionServer({
   parseCliArgs,
 })
 
-function initialCompletion () {
+function initialCompletion (): Array<{ name: string }> {
   return Object.keys(handlerByCommandName).map((name) => ({ name }))
 }
 
 export const pnpmCmds = handlerByCommandName
 
-export function getCliOptionsTypes (commandName: string) {
+export function getCliOptionsTypes (commandName: string): Record<string, unknown> {
   return cliOptionsTypesByCommandName[commandName]?.() || {}
 }
 
-export function getCommandFullName (commandName: string) {
+export function getCommandFullName (commandName: string): string | null {
   return aliasToFullName.get(commandName) ??
     (handlerByCommandName[commandName] ? commandName : null)
 }

pnpm/src/cmd/installTest.ts

@@ -10,7 +10,7 @@ export const rcOptionsTypes = install.rcOptionsTypes
 
 export const commandNames = ['install-test', 'it']
 
-export function help () {
+export function help (): string {
   return renderHelp({
     aliases: ['it'],
     description: 'Runs a `pnpm install` followed immediately by a `pnpm test`. It takes exactly the same arguments as `pnpm install`.',
@@ -19,7 +19,7 @@ export function help () {
   })
 }
 
-export async function handler (opts: PnpmOptions, params: string[]) {
+export async function handler (opts: PnpmOptions, params: string[]): Promise<void> {
   await install.handler(opts)
   await test.handler(opts as any, params) // eslint-disable-line
 }

pnpm/src/cmd/recursive.ts

@@ -3,12 +3,12 @@ import { FILTERING } from '@pnpm/common-cli-options-help'
 import { WANTED_LOCKFILE } from '@pnpm/constants'
 import renderHelp from 'render-help'
 
-export const rcOptionsTypes = () => ({})
-export const cliOptionsTypes = () => ({})
+export const rcOptionsTypes = (): Record<string, unknown> => ({})
+export const cliOptionsTypes = (): Record<string, unknown> => ({})
 
 export const commandNames = ['recursive', 'multi', 'm']
 
-export function help () {
+export function help (): string {
   return renderHelp({
     description: 'Concurrently performs some actions in all subdirectories with a `package.json` (excluding node_modules). \
 A `pnpm-workspace.yaml` file may be used to control what directories are searched for packages.',
@@ -119,7 +119,7 @@ A shared lockfile also means that all dependencies of all projects will be in a
   })
 }
 
-export function handler () {
+export function handler (): void {
   console.log(help())
   process.exit(1)
 }

pnpm/src/cmd/root.ts

@@ -6,7 +6,7 @@ import renderHelp from 'render-help'
 
 export const rcOptionsTypes = cliOptionsTypes
 
-export function cliOptionsTypes () {
+export function cliOptionsTypes (): Record<string, unknown> {
   return pick([
     'global',
   ], allTypes)
@@ -14,7 +14,7 @@ export function cliOptionsTypes () {
 
 export const commandNames = ['root']
 
-export function help () {
+export function help (): string {
   return renderHelp({
     description: 'Print the effective `node_modules` directory.',
     descriptionLists: [
@@ -39,6 +39,6 @@ export async function handler (
   opts: {
     dir: string
   }
-) {
+): Promise<string> {
   return `${path.join(opts.dir, 'node_modules')}\n`
 }

pnpm/src/errorHandler.ts

@@ -7,7 +7,7 @@ const getDescendentProcesses = promisify((pid: number, callback: (error: Error |
   pidTree(pid, { root: false }, callback)
 })
 
-export async function errorHandler (error: Error & { code?: string }) {
+export async function errorHandler (error: Error & { code?: string }): Promise<void> {
   if (error.name != null && error.name !== 'pnpm' && !error.name.startsWith('pnpm:')) {
     try {
       error.name = 'pnpm'
@@ -43,7 +43,7 @@ export async function errorHandler (error: Error & { code?: string }) {
   }, 0)
 }
 
-async function killProcesses (status: number) {
+async function killProcesses (status: number): Promise<void> {
   try {
     const descendentProcesses = await getDescendentProcesses(process.pid)
     for (const pid of descendentProcesses) {

pnpm/src/formatError.ts

@@ -1,6 +1,6 @@
 import chalk from 'chalk'
 
-export function formatUnknownOptionsError (unknownOptions: Map<string, string[]>) {
+export function formatUnknownOptionsError (unknownOptions: Map<string, string[]>): string {
   let output = chalk.bgRed.black('\u2009ERROR\u2009')
   const unknownOptionsArray = Array.from(unknownOptions.keys())
   if (unknownOptionsArray.length > 1) {

pnpm/src/main.ts

@@ -40,7 +40,7 @@ const DEPRECATED_OPTIONS = new Set([
 // A workaround for the https://github.com/vercel/pkg/issues/897 issue.
 delete process.env.PKG_EXECPATH
 
-export async function main (inputArgv: string[]) {
+export async function main (inputArgv: string[]): Promise<void> {
   let parsedCliArgs!: ParsedCliArgs
   try {
     parsedCliArgs = await parseCliArgs(inputArgv)
@@ -317,7 +317,7 @@ export async function main (inputArgv: string[]) {
   }
 }
 
-function printError (message: string, hint?: string) {
+function printError (message: string, hint?: string): void {
   const ERROR = chalk.bgRed.black('\u2009ERROR\u2009')
   console.log(`${message.startsWith(ERROR) ? '' : ERROR + ' '}${chalk.red(message)}`)
   if (hint) {

pnpm/src/parseCliArgs.ts

@@ -1,4 +1,4 @@
-import { parseCliArgs as parseCliArgsLib } from '@pnpm/parse-cli-args'
+import { type ParsedCliArgs, parseCliArgs as parseCliArgsLib } from '@pnpm/parse-cli-args'
 import {
   getCliOptionsTypes,
   getCommandFullName,
@@ -14,7 +14,7 @@ const RENAMED_OPTIONS = {
   store: 'store-dir',
 }
 
-export async function parseCliArgs (inputArgv: string[]) {
+export async function parseCliArgs (inputArgv: string[]): Promise<ParsedCliArgs> {
   return parseCliArgsLib({
     fallbackCommand: 'run',
     escapeArgs: ['create', 'dlx', 'exec'],

pnpm/src/pnpm.ts

@@ -55,7 +55,7 @@ const argv = process.argv.slice(2)
   }
 })()
 
-async function runPnpm () {
+async function runPnpm (): Promise<void> {
   const { errorHandler } = await import('./errorHandler')
   try {
     const { main } = await import('./main')
@@ -65,7 +65,7 @@ async function runPnpm () {
   }
 }
 
-async function passThruToNpm () {
+async function passThruToNpm (): Promise<void> {
   const { runNpm } = await import('./runNpm')
   const { status } = await runNpm(argv)
   process.exit(status!)

pnpm/src/reporter/index.ts

@@ -11,7 +11,7 @@ export function initReporter (
     cmd: string | null
     config: Config
   }
-) {
+): void {
   switch (reporterType) {
   case 'default':
     initDefaultReporter({

pnpm/src/reporter/silentReporter.ts

@@ -4,7 +4,7 @@ export function silentReporter (
   streamParser: {
     on: (event: 'data', handler: (obj: LogBase) => void) => void
   }
-) {
+): void {
   streamParser.on('data', (obj: LogBase) => {
     if (obj.level !== 'error') return
 

pnpm/src/runNpm.ts

@@ -1,9 +1,10 @@
+import { type SpawnSyncReturns } from 'child_process'
 import { packageManager } from '@pnpm/cli-meta'
 import { getConfig, types as allTypes } from '@pnpm/config'
 import { runNpm as _runNpm } from '@pnpm/run-npm'
 import pick from 'ramda/src/pick'
 
-export async function runNpm (args: string[]) {
+export async function runNpm (args: string[]): Promise<SpawnSyncReturns<Buffer>> {
   const { config } = await getConfig({
     cliOptions: {},
     packageManager,

pnpm/src/shorthands.ts

@@ -1,5 +1,4 @@
-// eslint-disable
-export const shorthands = {
+export const shorthands: Record<string, string> = {
   s: '--reporter=silent',
   d: '--loglevel=info',
   dd: '--loglevel=verbose',
@@ -33,4 +32,3 @@ export const shorthands = {
   i: '--interactive',
   F: '--filter',
 }
-// eslint-enable