build: remove typescript 3.6 and 3.7 support (#36329)

Remove TypeScript 3.6 and 3.7 support from Angular along with tests that
ensure those TS versions work.

BREAKING CHANGE: typescript 3.6 and 3.7 are no longer supported, please
update to typescript 3.8

PR Close #36329
This commit is contained in:
Andrew Scott
2020-05-05 12:13:29 -07:00
committed by Alex Rickabaugh
parent 420c179b39
commit fbd281c26e
13 changed files with 13 additions and 289 deletions
@@ -12,7 +12,7 @@ import {compareVersions} from './diagnostics/typescript_version';
* Minimum supported TypeScript version
* ∀ supported typescript version v, v >= MIN_TS_VERSION
*/
const MIN_TS_VERSION = '3.6.4';
const MIN_TS_VERSION = '3.8.3';
/**
* Supremum of supported TypeScript versions