chore: add CI

.github/actions/setup/action.yml

@@ -0,0 +1,16 @@
+name: Install Yarn dependencies
+description: Installs the workspace's yarn dependencies and caches them
+
+runs:
+  using: composite
+  steps:
+    - uses: actions/setup-node@v4
+      id: node
+      with:
+        node-version: 18.19.0
+        cache: 'yarn'
+        cache-dependency-path: 'yarn.lock'
+
+    - name: Install
+      run: yarn --immutable
+      shell: bash

.github/workflows/formatting.yml

@@ -0,0 +1,28 @@
+name: Formatting
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+# This will cancel previous runs when a branch or PR is updated
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+   eslint:
+    name: eslint
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Yarn dependencies
+        uses: ./.github/actions/setup
+
+      - name: Run `yarn lint`
+        run: yarn lint

.github/workflows/test.yml

@@ -0,0 +1,28 @@
+name: Tests
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+# This will cancel previous runs when a branch or PR is updated
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: Integration Tests (Node)
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Yarn dependencies
+        uses: ./.github/actions/setup
+
+      - name: Run `yarn test`
+        run: yarn test

src/index.ts

@@ -40,8 +40,8 @@
   try {
     // Upload the gates report to be used as a reference in later runs.
     await uploadArtifact();
-  } catch (error: any) {
-    return core.setFailed(error.message);
+  } catch (error) {
+    return core.setFailed((error as Error).message);
   }
 
   // cannot use artifactClient because downloads are limited to uploads in the same workflow run
@@ -88,15 +88,15 @@
           archive_format: "zip",
         });
 
-        const zip = new Zip(Buffer.from(res.data as any));
+        const zip = new Zip(Buffer.from(res.data as ArrayBuffer));
         for (const entry of zip.getEntries()) {
           core.info(`Loading gas reports from "${entry.entryName}"`);
           referenceContent = zip.readAsText(entry);
         }
         core.endGroup();
       } else core.error(`No workflow run found with an artifact named "${baseReport}"`);
-    } catch (error: any) {
-      return core.setFailed(error.message);
+    } catch (error) {
+      return core.setFailed((error as Error).message);
     }
   }
 
@@ -113,10 +113,7 @@
     core.endGroup();
 
     core.startGroup("Compute gas diff");
-    const diffRows = computeProgramDiffs(
-      referenceReports.programs[0].functions,
-      compareReports.programs[0].functions
-    );
+    const diffRows = computeProgramDiffs(referenceReports.programs, compareReports.programs);
     core.info(`Format markdown of ${diffRows.length} diffs`);
     const markdown = formatMarkdownDiff(
       header,
@@ -136,8 +133,8 @@
       core.setOutput("shell", shell);
       core.setOutput("markdown", markdown);
     }
-  } catch (error: any) {
-    core.setFailed(error.message);
+  } catch (error) {
+    core.setFailed((error as Error).message);
   }
 }