ts-jest

config: remove support for packageJson option

config: remove support for tsConfig option

By default, ts-jest will use sourceMap option from your tsconfig. If users want to have sourcemap on, they need to set sourceMap: true in tsconfig.

Follow Jest support Node engines

Add exports field to package.json, see nodejs.org/api/packages.html

ts-jest custom AST transformer function signature has changed to

One is currently using pathRegex should use exclude with glob patterns.

If one currently relies on type check for js files, please set checkJs: true in your tsconfig.

Now both isolatedModules: true and isolatedModule: false codes are in one single class TsCompiler which is an instance created in TsJestCompiler based on config option compiler with value typescript or ttypescript.

config: packageJson config option is not used in internal ts-jest so this option is now removed.