update contributing doc on unit test execution

queries/.prettierignore

@@ -0,0 +1,2 @@
+.vscode
+coverage/

queries/CONTRIBUTING.md

@@ -4,7 +4,7 @@ When contributing, apply this project's JavaScript standard style, otherwise it
 
 ## Requirements
 
-- Node 20.8.0
+- Node 18.18.0
 - NPM
 - ElasticSearch 7.17
 
@@ -19,72 +19,65 @@ $ git clone https://github.com/perftool-incubator/CommonDataModel.git
 2. Change your current working directory to the CDMQ directory.
 
 ```shell
-$ cd CommonDataModel/queries/cdmq
+$ cd CommonDataModel
 ```
 
 3. Install this project's Node JS dependencies.
 
 ```shell
-$ npm install
+$ npm install --prefix queries
 ```
 
 4. Check current code style if changes are required with [prettier](https://prettier.io/docs/en/cli.html) using [npx](https://docs.npmjs.com/cli/v7/commands/npx).
 
 ```shell
-$ npx prettier *.js --check
+$ npx prettier --check "queries/**/*.js"
 ```
 
 5. Apply code style changes.
 
 ```shell
-$ npx prettier *.js --write
+$ npx prettier --write "queries/**/*.js"
 ```
 
 ## Unit Tests
 
-1. Change your current working directory to the CDMQ directory.
-
-```shell
-$ cd CommonDataModel/queries/cdmq
-```
-
-2. Verify Node 20.8.0
+1. Verify Node 18
 
 ```shell
 $ node -v
-v20.8.0
+v18.18.0
 ```
 
-3. Install this project's Node JS dependencies.
+2. Install this project's Node JS dependencies.
 
 ```shell
-$ npm install
+$ npm install --prefix queries
 ```
 
 3. Execute all JavaScript unit test files with code coverage.
 
 ```shell
-$ node --experimental-test-coverage queries/cdmq/test/*.test.js
-
-✔ set(ish) difference (subtractTwoArrays) (1.599154ms)
-✔ set(ish) intersection (intersectTwoArrays) (0.161839ms)
-✔ intersect all arrays (0.154675ms)
-ℹ tests 3
-ℹ suites 0
-ℹ pass 3
-ℹ fail 0
-ℹ cancelled 0
-ℹ skipped 0
-ℹ todo 0
-ℹ duration_ms 9.275733
-ℹ start of coverage report
-ℹ ---------------------------------------------------------------------------------------------
-ℹ file     | line % | branch % | funcs % | uncovered lines
-ℹ ---------------------------------------------------------------------------------------------
-ℹ …/cdm.js |  13.30 |   100.00 |    8.82 | 5-7 22-28 31-39 64-76 86-178 188-195 199 204-211 2…
-ℹ …test.js | 100.00 |   100.00 |  100.00 |
-ℹ ---------------------------------------------------------------------------------------------
-ℹ all fil… |  15.05 |   100.00 |   12.68 |
-ℹ ---------------------------------------------------------------------------------------------
-ℹ end of coverage report
+$ npm test --prefix queries
+
+> [email protected] test
+> jest
+
+ PASS  test/cdm.test.js
+  set(ish)-array behavior
+    ✓ set(ish) difference (subtractTwoArrays) (6 ms)
+    ✓ set(ish) intersection (intersectTwoArrays) (1 ms)
+    ✓ intersect all arrays (1 ms)
+
+----------|---------|----------|---------|---------|-------------------------------------------
+File      | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s
+----------|---------|----------|---------|---------|-------------------------------------------
+All files |   10.63 |      100 |    4.61 |   10.63 |
+ cdm.js   |   10.63 |      100 |    4.61 |   10.63 | ...720-1729,1744-2022,2026-2041,2057-2180
+----------|---------|----------|---------|---------|-------------------------------------------
+Test Suites: 1 passed, 1 total
+Tests:       3 passed, 3 total
+Snapshots:   0 total
+Time:        0.703 s, estimated 1 s
+Ran all test suites.
 ```

queries/package.json

@@ -4,7 +4,8 @@
   "description": "Query Utils for Common Data Model",
   "main": "index.js",
   "scripts": {
-    "test": "jest"
+    "test": "jest",
+    "prettier": "prettier"
   },
   "author": "Andrew Theurer",
   "license": "ISC",