| # -*- bazel-starlark -*- |
| load("@builtin//encoding.star", "json") |
| load("@builtin//path.star", "path") |
| load("@builtin//struct.star", "module") |
| |
| def _load(ctx, fname, loaded): |
| if fname in loaded: |
| return loaded[fname] |
| tsconfig = json.decode(str(ctx.fs.read(fname))) |
| loaded[fname] = tsconfig |
| return tsconfig |
| |
| def _paths(ctx, fname, tsconfig, loaded): |
| paths = [fname] |
| if "extends" in tsconfig and tsconfig["extends"]: |
| base = path.join(path.dir(fname), tsconfig["extends"]) |
| paths.append(base) |
| parent = _load(ctx, base, loaded) |
| if "files" in parent and not tsconfig["files"]: |
| tsconfig["files"] = parent["files"] |
| paths.extend([path.join(path.dir(fname), file) for file in tsconfig["files"]]) |
| return paths |
| |
| def _scan_inputs(ctx, fname, tsconfig, loaded): |
| inputs = [] |
| inputs += _paths(ctx, fname, tsconfig, loaded) |
| if "references" in tsconfig: |
| for ref in tsconfig["references"]: |
| refname = path.join(path.dir(fname), ref["path"]) |
| inputs.append(refname) |
| reftc = _load(ctx, refname, loaded) |
| inputs += _scan_inputs(ctx, refname, reftc, loaded) |
| return inputs |
| |
| def _scandeps(ctx, fname, tsconfig): |
| loaded = {fname: tsconfig} |
| inputs = _scan_inputs(ctx, fname, tsconfig, loaded) |
| return inputs |
| |
| tsc = module( |
| "tsc", |
| scandeps = _scandeps, |
| ) |
