feat(core): drop support for TypeScript 4.0 and 4.1

Drops support for TypeScript 4.0 and 4.1 across the repo. The typings check for 4.1 was kept in order to ensure that we don't break g3.
angular · Mar 16, 2021 · e8584b0 · e8584b0
1 parent 30e3d98
commit e8584b0
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Showing 7 changed files with 3 additions and 132 deletions.
diff --git a/integration/BUILD.bazel b/integration/BUILD.bazel
@@ -85,12 +85,6 @@ INTEGRATION_TESTS = {
     "service-worker-schema": {},
     "side-effects": {"tags": ["no-ivy-aot"]},
     "terser": {},
-    "typings_test_ts40": {
-        # Special case for `typings_test_ts40` test as we want to pin
-        # `typescript` at version 4.0.x for that test and not link to the
-        # root @npm//typescript package.
-        "pinned_npm_packages": ["typescript"],
-    },
     "typings_test_ts41": {
         # Special case for `typings_test_ts41` test as we want to pin
         # `typescript` at version 4.1.x for that test and not link to the

diff --git a/integration/typings_test_ts40/include-all.ts b/integration/typings_test_ts40/include-all.ts
diff --git a/integration/typings_test_ts40/package.json b/integration/typings_test_ts40/package.json
diff --git a/integration/typings_test_ts40/tsconfig.json b/integration/typings_test_ts40/tsconfig.json
diff --git a/packages/bazel/package.json b/packages/bazel/package.json
@@ -28,7 +28,7 @@
     "@angular/compiler-cli": "0.0.0-PLACEHOLDER",
     "@bazel/typescript": ">=1.0.0",
     "terser": "^4.3.1",
-    "typescript": ">=4.0 <4.3",
+    "typescript": ">=4.2.3 <4.3",
     "rollup": ">=1.20.0",
     "rollup-plugin-commonjs": ">=9.0.0",
     "rollup-plugin-node-resolve": ">=4.2.0",

diff --git a/packages/compiler-cli/package.json b/packages/compiler-cli/package.json
@@ -29,7 +29,7 @@
   },
   "peerDependencies": {
     "@angular/compiler": "0.0.0-PLACEHOLDER",
-    "typescript": ">=4.0 <4.3"
+    "typescript": ">=4.2.3 <4.3"
   },
   "engines": {
     "node": ">=10.0"

diff --git a/packages/compiler-cli/src/typescript_support.ts b/packages/compiler-cli/src/typescript_support.ts
@@ -15,7 +15,7 @@ import {compareVersions} from './diagnostics/typescript_version';
  * Note: this check is disabled in g3, search for
  * `angularCompilerOptions.disableTypeScriptVersionCheck` config param value in g3.
  */
-const MIN_TS_VERSION = '4.0.0';
+const MIN_TS_VERSION = '4.2.3';
 
 /**
  * Supremum of supported TypeScript versions