chore(deps): upgrade typescript 5.9.2 to 6.0.3

scopes/typescript/typescript/typescript.main.runtime.ts

@@ -130,6 +130,23 @@ export class TypescriptMain {
     const configMutator = new TypescriptConfigMutator(options);
     const transformerContext: TsConfigTransformContext = {};
     const afterMutation = runTransformersWithContext(configMutator.clone(), transformers, transformerContext);
+    // TS 6 flipped several defaults and turned legacy options into hard errors.
+    // Shipped env tsconfigs must stay valid for TS 5.x consumers, so patch the raw tsconfig
+    // at runtime when the loaded compiler is actually TS 6+ — preserving TS 5 behavior.
+    const tsMajor = parseInt(tsModule.version?.split('.')[0] || '0', 10);
+    const compilerOptions = afterMutation.raw.tsconfig?.compilerOptions;
+    if (tsMajor >= 6 && compilerOptions) {
+      if (!compilerOptions.ignoreDeprecations) compilerOptions.ignoreDeprecations = '6.0';
+      if (compilerOptions.strict === undefined) compilerOptions.strict = false;
+      if (compilerOptions.noUncheckedSideEffectImports === undefined)
+        compilerOptions.noUncheckedSideEffectImports = false;
+      // TS 6 stopped auto-discovering @types/* packages (types defaults to []).
+      // Seed the types every Bit env installs — @types/node universally and @types/jest
+      // (provides describe/it/expect globals). React env excludes @types/mocha, so don't seed it.
+      if (compilerOptions.types === undefined) {
+        compilerOptions.types = ['node', 'jest'];
+      }
+    }
     const afterMutationWithoutTsconfig = { ...afterMutation.raw, tsconfig: '' };
 
     return new TypescriptCompiler(

tsconfig.json

@@ -6,6 +6,9 @@
     "strict": true,
     "moduleResolution": "node",
     "module": "commonjs",
+    "ignoreDeprecations": "6.0",
+    "noUncheckedSideEffectImports": false,
+    "types": ["node", "mocha", "chai", "jest"],
     "target": "es2015",
     "skipLibCheck": true,
     "noImplicitAny": false,

workspace.jsonc

@@ -642,7 +642,7 @@
         "tippy.js": "6.2.7",
         "ts-graphviz": "^2.1.6",
         "type-coverage": "2.15.1",
-        "typescript": "5.9.2",
+        "typescript": "6.0.3",
         "ua-parser-js": "0.7.40",
         "uid-number": "0.0.6",
         "uniqid": "5.3.0",
@@ -834,7 +834,7 @@
             "buffer": "6.0.3",
             "process": "0.11.10",
             "react-router-dom": "6.3.0",
-            "typescript": "5.9.2",
+            "typescript": "6.0.3",
             // @parcel/css, lightningcss, @swc/css are used by css-minimizer-webpack-plugin
             // see this issue https://github.com/webpack-contrib/css-minimizer-webpack-plugin/issues/244
             "@parcel/css": "^1.8.3",