From 7eca1c3815d9c8f04b969bfdff1b35e83352a1b0 Mon Sep 17 00:00:00 2001
From: Nick Molyneux <nickneux21@gmail.com>
Date: Tue, 3 Sep 2024 09:40:11 -0700
Subject: [PATCH] Adds version() function (#108)

---
 index.ts      | 14 +++++++++++++-
 index_test.ts |  3 +++
 package.json  |  2 +-
 readme.md     | 11 +++++++++++
 tsconfig.json |  4 ++--
 5 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/index.ts b/index.ts
index f5db4f5..2f04464 100644
--- a/index.ts
+++ b/index.ts
@@ -196,6 +196,18 @@ class Ogr2ogr implements PromiseLike<Result> {
   }
 }
 
-export default function ogr2ogr(input: Input, opts?: Options): Ogr2ogr {
+function ogr2ogr(input: Input, opts?: Options): Ogr2ogr {
   return new Ogr2ogr(input, opts)
 }
+
+ogr2ogr.version = async () => {
+  let vers = await new Promise<string>((res, rej) => {
+    execFile("ogr2ogr", ["--version"], {}, (err, stdout) => {
+      if (err) rej(err)
+      res(stdout)
+    })
+  })
+  return vers.trim()
+}
+
+export default ogr2ogr
diff --git a/index_test.ts b/index_test.ts
index 8467fb5..5c0b843 100644
--- a/index_test.ts
+++ b/index_test.ts
@@ -11,6 +11,9 @@ import ogr2ogr from "./"
 let dir = __dirname + "/testdata/"
 
 test(async (t) => {
+  const vers = await ogr2ogr.version()
+  t.match(vers, /^GDAL /)
+
   interface TT {
     file?: string
     url?: string
diff --git a/package.json b/package.json
index 7414581..45bc58a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ogr2ogr",
-  "version": "5.0.0",
+  "version": "5.1.0",
   "description": "ogr2ogr wrapper w/ multiple format support",
   "keywords": [
     "ogr2ogr",
diff --git a/readme.md b/readme.md
index edeed48..e7b867b 100644
--- a/readme.md
+++ b/readme.md
@@ -88,6 +88,17 @@ The **`output`** object has the following properties:
 
 The callback API supports the same options as above but in a NodeJS style callback format.
 
+### ogr2ogr.version() -> Promise\<string\>
+
+Retrieve the version of `ogr2ogr` that will be called by default by this library (same as calling `ogr2ogr --version` from command line).
+
+```javascript
+const version = await ogr2ogr.version()
+console.log(version)
+
+// GDAL X.X.X, released XXXX/XX/XX
+```
+
 ## Tips and tricks
 
 Running `ogr2ogr` in a [Docker container][6]:
diff --git a/tsconfig.json b/tsconfig.json
index 525d29b..da1c546 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,7 +12,7 @@
     "declaration": true,
     "outDir": "./dist/cjs",
     "esModuleInterop": true,
-    "resolveJsonModule": true,
+    "resolveJsonModule": true
   },
-  "exclude": ["node_modules", "dist"],
+  "exclude": ["node_modules", "dist"]
 }