WORKSPACE.bazel

workspace(
    name = "my_workspace",
    # Bazel should manage the "node_modules" directory
    managed_directories = {"@npm": ["node_modules"]},
)

// ...

load("@build_bazel_rules_nodejs//:index.bzl", "npm_install")
npm_install(
    # Name this npm so that Bazel Label references look like @npm//package
    name = "npm",
    # Paths to the package*.json files
    package_json = "//:package.json",
    package_lock_json = "//:package-lock.json",
)