Add pick()

src/config/normalize/lib/star_dot_path_utils/main.js

@@ -0,0 +1,2 @@
+export { map } from './map.js'
+export { pick } from './pick.js'

src/config/normalize/lib/star_dot_path_utils/pick.js

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+import { list, set } from '../star_dot_path/main.js'
+
+// Returns an object with only the properties being queried.
+export const pick = function (target, queryOrPath) {
+  const entries = list(target, queryOrPath)
+  return entries.reduce(pickEntry, {})
+}
+
+const pickEntry = function (target, { path, value }) {
+  return set(target, path, value)
+}