From 3a097bd245618f36fe943394dd40cca7fcfa37a8 Mon Sep 17 00:00:00 2001
From: isaacs <i@izs.me>
Date: Mon, 16 Jan 2023 16:09:10 -0800
Subject: [PATCH] Remove syntax that is not supported on Node v10

Kicking myself for not bumping the engines version, but oh well.  Next
time.
---
 src/find-made.ts     |  4 ++--
 src/mkdirp-manual.ts | 18 ++++++++++++------
 src/mkdirp-native.ts |  4 ++--
 src/opts-arg.ts      |  9 +++++----
 4 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/src/find-made.ts b/src/find-made.ts
index 4ffa4f3..b8ad884 100644
--- a/src/find-made.ts
+++ b/src/find-made.ts
@@ -15,7 +15,7 @@ export const findMade = async (
     st => (st.isDirectory() ? path : undefined), // will fail later
     er => {
       const fer = er as NodeJS.ErrnoException
-      return fer?.code === 'ENOENT'
+      return fer && fer.code === 'ENOENT'
         ? findMade(opts, dirname(parent), parent)
         : undefined
     }
@@ -35,7 +35,7 @@ export const findMadeSync = (
     return opts.statSync(parent).isDirectory() ? path : undefined
   } catch (er) {
     const fer = er as NodeJS.ErrnoException
-    return fer?.code === 'ENOENT'
+    return fer && fer.code === 'ENOENT'
       ? findMadeSync(opts, dirname(parent), parent)
       : undefined
   }
diff --git a/src/mkdirp-manual.ts b/src/mkdirp-manual.ts
index bbb92be..8d030f7 100644
--- a/src/mkdirp-manual.ts
+++ b/src/mkdirp-manual.ts
@@ -16,7 +16,7 @@ export const mkdirpManualSync = (
       // swallowed by recursive implementation on posix systems
       // any other error is a failure
       const fer = er as NodeJS.ErrnoException
-      if (fer?.code !== 'EISDIR') {
+      if (fer && fer.code !== 'EISDIR') {
         throw er
       }
       return
@@ -28,9 +28,12 @@ export const mkdirpManualSync = (
     return made || path
   } catch (er) {
     const fer = er as NodeJS.ErrnoException
-    if (fer?.code === 'ENOENT')
+    if (fer && fer.code === 'ENOENT') {
       return mkdirpManualSync(path, opts, mkdirpManualSync(parent, opts, made))
-    if (fer?.code !== 'EEXIST' && fer?.code !== 'EROFS') throw er
+    }
+    if (fer && fer.code !== 'EEXIST' && fer && fer.code !== 'EROFS') {
+      throw er
+    }
     try {
       if (!opts.statSync(path).isDirectory()) throw er
     } catch (_) {
@@ -53,7 +56,7 @@ export const mkdirpManual = Object.assign(
         // swallowed by recursive implementation on posix systems
         // any other error is a failure
         const fer = er as NodeJS.ErrnoException
-        if (fer?.code !== 'EISDIR') {
+        if (fer && fer.code !== 'EISDIR') {
           throw er
         }
       })
@@ -63,11 +66,14 @@ export const mkdirpManual = Object.assign(
       () => made || path,
       async er => {
         const fer = er as NodeJS.ErrnoException
-        if (fer?.code === 'ENOENT')
+        if (fer && fer.code === 'ENOENT') {
           return mkdirpManual(parent, opts).then(
             (made?: string | undefined | void) => mkdirpManual(path, opts, made)
           )
-        if (fer?.code !== 'EEXIST' && fer?.code !== 'EROFS') throw er
+        }
+        if (fer && fer.code !== 'EEXIST' && fer.code !== 'EROFS') {
+          throw er
+        }
         return opts.statAsync(path).then(
           st => {
             if (st.isDirectory()) {
diff --git a/src/mkdirp-native.ts b/src/mkdirp-native.ts
index 2bb4cab..6bcf910 100644
--- a/src/mkdirp-native.ts
+++ b/src/mkdirp-native.ts
@@ -20,7 +20,7 @@ export const mkdirpNativeSync = (
     return made
   } catch (er) {
     const fer = er as NodeJS.ErrnoException
-    if (fer?.code === 'ENOENT') {
+    if (fer && fer.code === 'ENOENT') {
       return mkdirpManualSync(path, opts)
     } else {
       throw er
@@ -45,7 +45,7 @@ export const mkdirpNative = Object.assign(
         .then(m => made || m)
         .catch(er => {
           const fer = er as NodeJS.ErrnoException
-          if (fer?.code === 'ENOENT') {
+          if (fer && fer.code === 'ENOENT') {
             return mkdirpManual(path, opts)
           } else {
             throw er
diff --git a/src/opts-arg.ts b/src/opts-arg.ts
index ddc1acd..cf59463 100644
--- a/src/opts-arg.ts
+++ b/src/opts-arg.ts
@@ -75,8 +75,9 @@ export const optsArg = (opts?: MkdirpOptions): MkdirpOptionsResolved => {
   }
 
   const resolved = opts as MkdirpOptionsResolved
+  const optsFs = opts.fs || {}
 
-  opts.mkdir = opts.mkdir || opts.fs?.mkdir || mkdir
+  opts.mkdir = opts.mkdir || optsFs.mkdir || mkdir
 
   opts.mkdirAsync = opts.mkdirAsync
     ? opts.mkdirAsync
@@ -91,7 +92,7 @@ export const optsArg = (opts?: MkdirpOptions): MkdirpOptionsResolved => {
         )
       }
 
-  opts.stat = opts.stat || opts.fs?.stat || stat
+  opts.stat = opts.stat || optsFs.stat || stat
   opts.statAsync = opts.statAsync
     ? opts.statAsync
     : async (path: string) =>
@@ -99,8 +100,8 @@ export const optsArg = (opts?: MkdirpOptions): MkdirpOptionsResolved => {
           resolved.stat(path, (err, stats) => (err ? rej(err) : res(stats)))
         )
 
-  opts.statSync = opts.statSync || opts.fs?.statSync || statSync
-  opts.mkdirSync = opts.mkdirSync || opts.fs?.mkdirSync || mkdirSync
+  opts.statSync = opts.statSync || optsFs.statSync || statSync
+  opts.mkdirSync = opts.mkdirSync || optsFs.mkdirSync || mkdirSync
 
   return resolved
 }