BUILD.bazel

ts_project(
    name = "mylib",
    extends = "//apps/myapp:tsconfig",
    tsconfig = {
        "compilerOptions": {
            "types": [],
        },
    },
    visibility = [
        "//apps/myapp:__subpackages__",
    ],
    deps = [
        "@npm//react",
    ],
)

CBUILD.bazel

load("@npm//@bazel/typescript:index.bzl", "ts_config")

exports_files(["tsconfig-base.json"])

ts_config(
    name = "tsconfig",
    src = "tsconfig-base.json",
    visibility = ["//accounts/myaccount:__subpackages__"],
)

tsconfig-base.json

{
    "compilerOptions": {
        "target": "ES5",
        "allowJs": true,
        "skipLibCheck": true,
        "sourceMap": false,
        "esModuleInterop": true,
        "allowSyntheticDefaultImports": true,
        "strict": false,
        "forceConsistentCasingInFileNames": true,
        "module": "es2015",
        "moduleResolution": "Node",
        "jsx": "react",
        "lib": [
            "es5",
            "es2015.promise",
            "dom",
            "es2015"
        ],
        "rootDirs": [
            ".",
            "../../../bazel-out/darwin-fastbuild/bin/apps/myapp",
            "../../../bazel-out/k8-fastbuild/bin/apps/myapp",
            "../../../bazel-out/x64_windows-fastbuild/bin/apps/myapp",
            "../../../bazel-out/darwin-dbg/bin/apps/myapp",
            "../../../bazel-out/k8-dbg/bin/apps/myapp",
            "../../../bazel-out/x64_windows-dbg/bin/apps/myapp",
        ],
        "types": [],
        "composite": true,
    },
}