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-rw-r--r--src/client/react/lib/getHistory.js13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/client/react/lib/getHistory.js b/src/client/react/lib/getHistory.js
index 5fef902..daa984b 100644
--- a/src/client/react/lib/getHistory.js
+++ b/src/client/react/lib/getHistory.js
@@ -5,7 +5,20 @@ import {
makeUpdateQuery,
} from './url';
+/**
+ * Make a getHistory function. This function is used in index.js when creating
+ * the redux store.
+ * @param {history} history
+ * The history object from the `history` package.
+ * There may only be a single shared history object in the application, which
+ * is why it's delivered from `../index.js`.
+ */
export default function makeGetHistory(history) {
+ /**
+ * Get a collection of helpers for common browser history interactions, and a
+ * collection of precalculated values from the address bar. This function is
+ * used in actions.
+ */
return function getHistory() {
const user = userFromLocation(history.location);
const week = weekFromLocation(history.location);