fix: support development on Node 20

.github/actions/setup/action.yml

@@ -11,7 +11,7 @@ runs:
         - name: Setup pnpm
           uses: pnpm/action-setup@v2
           with:
-              version: 7.1.2
+              version: 8.3.1
 
         - name: Setup Node (${{ inputs.node }})
           uses: actions/setup-node@v3

.github/workflows/pr.yml

@@ -24,6 +24,9 @@ jobs:
             - name: Lint
               run: pnpm lint
 
+            - name: Format
+              run: pnpm exec prettier --check --ignore-path ./dev/configs/.prettierignore .
+
             - name: Test
               run: pnpm testRepo
 
@@ -38,13 +41,8 @@ jobs:
         timeout-minutes: 20
         strategy:
             matrix:
-                node: [lts/*]
-                os: [windows-latest, macos-latest]
-                include:
-                    - os: ubuntu-latest
-                      node: lts/-1
-                    - os: ubuntu-latest
-                      node: latest
+                node: [14, 16, 18, 19, 20]
+                os: [ubuntu-latest, windows-latest, macos-latest]
 
         runs-on: ${{ matrix.os }}
         steps:

dev/arktype.io/docs/api/narrow.md

@@ -15,4 +15,4 @@ hide_table_of_contents: true
 
 ## example
 
--            const isEven = (x: unknown): x is number => x % 2 === 0
+-                                    const isEven = (x: unknown): x is number => x % 2 === 0