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Check out the Typescript Aspect on

Typescript aspect implements the Compiler interface and provides the ability to transpile files on the workspace and build components in the isolated capsules.

Configuration - tsconfig.json#

An env that uses typescript compiler can have two tsconfig.json files, one for the workspace and one for the build process.

On the workspace, the following two configurations are overridden:

compilerOptions.sourceRoot = componentDir;compilerOptions.rootDir = '.';

The reason to override them is to make the source-map working on the workspace.

As a reminder, the dists are written into the node_modules and not in the component-dir, without the configuration above, the source-map won't have the correct sourceRoot and sources values, and as a result, the debugger won't work.