test: include optional deps

to include zstd binary

.github/workflows/tester.yml

@@ -23,7 +23,7 @@ jobs:
           key: ${{ runner.os }}-npm-cache
           restore-keys: ${{ runner.os }}-npm-cache
       - name: Install Dependencies
-        run: npm install
+        run: npm install --include=optional
       - name: Test
         run: npm run test
         env:

README.md

@@ -217,6 +217,10 @@ minify:
 - **globOptions** - See [globbing](#globbing) section.
 - **level** - Compression level. Range `1-22`. Defaults to `3`, or the value of [`DEFAULT_LEVEL`](https://github.com/mongodb-js/zstd/blob/a3a08c61c9045411c8275e248498dbc583457fb5/src/lib.rs#L9)
 
+### Cannot find module '@mongodb-js/zstd-linux-x64-gnu'
+
+`npm install --include=optional`
+
 ## XML
 
 Remove whitespaces in xml.