Adds ts_project() macro.

Refs #50.

This is just a `ts_project()` with some better defaults to reduce boilerplate. Also updates the `tsconfig.json` to set up `rootDirs` correctly and remove the WebDriverIO type which apparently isn't necessary.

tools/typescript.bzl

@@ -0,0 +1,11 @@
+load("@npm//@bazel/typescript:index.bzl", _ts_project = "ts_project")
+
+def ts_project(name, tsconfig = None, **kwargs):
+    _ts_project(
+        name = name,
+        tsconfig = tsconfig or "//:tsconfig.json",
+        link_workspace_root = True,
+        declaration = True,
+        source_map = True,
+        **kwargs
+    )

tsconfig.json

@@ -11,7 +11,7 @@
     // "allowJs": true,                       /* Allow javascript files to be compiled. */
     // "checkJs": true,                       /* Report errors in .js files. */
     // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
-    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
+    "declaration": true,                      /* Generates corresponding '.d.ts' file. */
     // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
     "sourceMap": true,                        /* Generates corresponding '.map' file. */
     // "outFile": "./",                       /* Concatenate and emit output to single file. */
@@ -38,16 +38,24 @@
     // "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
     "baseUrl": "./",                          /* Base directory to resolve non-absolute module names. */
     "paths": {                                /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
-      // Set up absolute imports per:
-      // https://bazelbuild.github.io/rules_nodejs/TypeScript.html#writing-typescript-code-for-ts_library
+      // Set up absolute imports per: https://bazelbuild.github.io/rules_nodejs/TypeScript.html#ts_project
       "rules_prerender": ["packages/rules_prerender"], // Map `rules_prerender` module to its implementation.
       "rules_prerender/*": ["*"] // Map workspace-relative imports.
     },
-    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
+    "rootDirs": [                             /* List of root folders whose combined content represents the structure of the project at runtime. */
+      ".",
+      // List out generated directories for module resolution.
+      // https://bazelbuild.github.io/rules_nodejs/TypeScript.html#ts_project
+      "./bazel-out/host/bin",
+      "./bazel-out/darwin-fastbuild/bin",
+      "./bazel-out/k8-fastbuild/bin",
+      "./bazel-out/x64_windows-fastbuild/bin",
+      "./bazel-out/darwin-dbg/bin",
+      "./bazel-out/k8-dbg/bin",
+      "./bazel-out/x64_windows-dbg/bin",
+    ],
     // "typeRoots": [],                       /* List of folders to include type definitions from. */
-    "types": [                                /* Type declaration files to be included in compilation. */
-      "webdriverio/async" // Needed because WebDriver requires global types (even if you import the type you want, it depends on other global types).
-    ],           
+    // "types": [],                           /* Automatically managed by `ts_project()`. */
     // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
     "esModuleInterop": true,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
     // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */