custom script

Author: GarboMuffin

.github/workflows/validate.yml

@@ -55,7 +55,7 @@ jobs:
       - name: Check format
         run: npm run check-format
 
-  check-types-this-is-only-warning-fixing-is-not-required:
+  type-warnings:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -69,6 +69,6 @@ jobs:
           cache: npm
       - name: Install dependencies
         run: npm ci
-      - name: Check types (This is only warning, fixing is not required)
+      - name: Check types
         continue-on-error: true
         run: npm run check-types

development/check-extension-types.js

@@ -0,0 +1,58 @@
+import pathUtil from 'node:path';
+import ts from 'typescript';
+
+/**
+ * @fileoverview
+ * tsc command output will be parsed by GitHub Actions as errors.
+ * We want them to be just warnings.
+ */
+
+const check = () => {
+  const rootDir = pathUtil.join(import.meta.dirname, '..');
+
+  const tsconfigPath = pathUtil.join(rootDir, 'tsconfig.json');
+  const commandLine = ts.getParsedCommandLineOfConfigFile(tsconfigPath, {}, ts.sys);
+
+  const program = ts.createProgram({
+    rootNames: commandLine.fileNames,
+    options: commandLine.options
+  });
+  const emitted = program.emit();
+
+  const diagnostics = [
+    ...ts.getPreEmitDiagnostics(program),
+    ...emitted.diagnostics
+  ];
+
+  let numWarnings = 0;
+
+  for (const diagnostic of diagnostics) {
+    // https://docs.github.com/en/actions/reference/workflows-and-actions/workflow-commands
+    const relativeFileName = pathUtil.relative(rootDir, diagnostic.file.fileName);
+    let prefix = `::warning file=${relativeFileName}`;
+
+    const startPosition = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start);
+    const endPosition = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start);
+    prefix += `,line=${startPosition.line + 1},col=${startPosition.character + 1}`;
+    prefix += `,endLine=${endPosition.line + 1},endCol=${endPosition.character + 1}`;
+
+    prefix += ",title=Type warning - may indicate a bug. No action required if no bug.::";
+
+    let messageText = diagnostic.messageText;
+    while (messageText) {
+      numWarnings++;
+
+      if (typeof messageText === 'string') {
+        console.log(prefix + messageText);
+        messageText = null;
+      } else {
+        console.log(prefix + messageText.messageText);
+        messageText = messageText.next;
+      }
+    }
+  }
+
+  console.log(`${numWarnings} warnings.`);
+};
+
+check();

package.json

@@ -16,7 +16,7 @@
     "check-format": "prettier . --check",
     "upload-translations": "node development/upload-translations.js",
     "download-translations": "node development/download-translations.js",
-    "check-types": "tsc"
+    "check-types": "node development/check-extension-types.js"
   },
   "repository": {
     "type": "git",