build: drop support for TypeScript 4.4 and 4.5 (#24627)

Removes our tests and compatibility code for TypeScript less than 4.6.

Author: crisbeto

integration/ts-compat/BUILD.bazel

@@ -13,8 +13,6 @@ write_file(
 # List of TypeScript packages that we want to run the compatibility test against.
 # The list contains NPM module names that resolve to the desired TypeScript version.
 typescript_version_packages = [
-    "typescript-4.4",
-    "typescript-4.5",
     "typescript",
 ]
 

package.json

@@ -216,8 +216,6 @@
     "tslint": "^6.1.3",
     "tsutils": "^3.21.0",
     "typescript": "~4.6.2",
-    "typescript-4.4": "npm:[email protected]",
-    "typescript-4.5": "npm:[email protected]",
     "vrsource-tslint-rules": "6.0.0",
     "yaml": "^1.10.2",
     "yargs": "^17.3.1",

src/material/schematics/ng-update/migrations/hammer-gestures-v9/import-manager.ts

@@ -39,9 +39,6 @@ interface AnalyzedImport {
 /** Checks whether an analyzed import has the given import flag set. */
 const hasFlag = (data: AnalyzedImport, flag: ImportState) => (data.state & flag) !== 0;
 
-/** Parsed version of TypeScript that can be used for comparisons. */
-const PARSED_TS_VERSION = parseFloat(ts.versionMajorMinor);
-
 /**
  * Import manager that can be used to add or remove TypeScript imports within source
  * files. The manager ensures that multiple transformations are applied properly
@@ -349,7 +346,7 @@ export class ImportManager {
         if (importData.specifiers) {
           const namedBindings = importData.node.importClause!.namedBindings as ts.NamedImports;
           const importSpecifiers = importData.specifiers.map(s =>
-            createImportSpecifier(s.propertyName, s.name),
+            ts.factory.createImportSpecifier(false, s.propertyName, s.name),
           );
           const updatedBindings = ts.factory.updateNamedImports(namedBindings, importSpecifiers);
 
@@ -527,14 +524,3 @@ export class ImportManager {
     return commentRanges[commentRanges.length - 1]!.end;
   }
 }
-
-// TODO(crisbeto): backwards-compatibility layer that allows us to support both TS 4.4 and 4.5.
-// Should be removed once we don't have to support 4.4 anymore.
-function createImportSpecifier(
-  propertyName: ts.Identifier | undefined,
-  name: ts.Identifier,
-): ts.ImportSpecifier {
-  return PARSED_TS_VERSION > 4.4
-    ? ts.factory.createImportSpecifier(false, propertyName, name)
-    : (ts.createImportSpecifier as any)(propertyName, name);
-}

yarn.lock

@@ -325,7 +325,6 @@
 
 "@angular/dev-infra-private@https://github.com/angular/dev-infra-private-builds.git#7544378ad9aa94cdfe256aaaa923c107f45175a2":
   version "0.0.0-8feef7a4ad17f94a98b55e3fa7ce4697bfaef895"
-  uid "7544378ad9aa94cdfe256aaaa923c107f45175a2"
   resolved "https://github.com/angular/dev-infra-private-builds.git#7544378ad9aa94cdfe256aaaa923c107f45175a2"
   dependencies:
     "@angular-devkit/build-angular" "14.0.0-next.3"
@@ -14991,16 +14990,6 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-"typescript-4.4@npm:[email protected]":
-  version "4.4.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.4.2.tgz#6d618640d430e3569a1dfb44f7d7e600ced3ee86"
-  integrity sha512-gzP+t5W4hdy4c+68bfcv0t400HVJMMd2+H9B7gae1nQlBzCqvrXX+6GL/b3GAgyTH966pzrZ70/fRjwAtZksSQ==
-
-"typescript-4.5@npm:[email protected]", typescript@~4.5.2:
-  version "4.5.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.5.5.tgz#d8c953832d28924a9e3d37c73d729c846c5896f3"
-  integrity sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==
-
 [email protected], typescript@~4.5.0, typescript@~4.5.4, typescript@~4.6.2:
   version "4.6.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.6.2.tgz#fe12d2727b708f4eef40f51598b3398baa9611d4"
@@ -15011,6 +15000,11 @@ typescript@^3.9.10, typescript@^3.9.5, typescript@^3.9.7:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.10.tgz#70f3910ac7a51ed6bef79da7800690b19bf778b8"
   integrity sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==
 
+typescript@~4.5.2:
+  version "4.5.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.5.5.tgz#d8c953832d28924a9e3d37c73d729c846c5896f3"
+  integrity sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==
+
 [email protected]:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-1.0.2.tgz#e2976c34dbfb30b15d2c300b2a53eac87c57a775"