As this is the only version range that we tested against in G3.
We will support newer versions of TypeScript soon
after the Angular 5 release.
Closes#19750
PR Close#19787
- temporarily keeps the old sources under packages/tsc-wrapped
until the build scripts are changed to use compiler-cli everywhere.
- removes the compiler options `disableTransformerPipeline` that was introduced
in a previous beta of Angular 5, i.e. the transformer based compiler
is now always enabled.
PR Close#18966
Tobias Bosch
Alex Eagle
Matias Niemelä
Alex Eagle