ES6-ified

src/js/storage.js

@@ -0,0 +1,56 @@
+// ==========================================================================
+// Plyr storage
+// ==========================================================================
+
+import support from './support';
+import utils from './utils';
+
+// Save a value back to local storage
+function set(value) {
+    // Bail if we don't have localStorage support or it's disabled
+    if (!support.storage || !this.config.storage.enabled) {
+        return;
+    }
+
+    // Update the working copy of the values
+    utils.extend(this.storage, value);
+
+    // Update storage
+    window.localStorage.setItem(this.config.storage.key, JSON.stringify(this.storage));
+}
+
+// Setup localStorage
+function setup() {
+    let value = null;
+    let storage = {};
+
+    // Bail if we don't have localStorage support or it's disabled
+    if (!support.storage || !this.config.storage.enabled) {
+        return storage;
+    }
+
+    // Clean up old volume
+    // https://github.com/sampotts/plyr/issues/171
+    window.localStorage.removeItem('plyr-volume');
+
+    // load value from the current key
+    value = window.localStorage.getItem(this.config.storage.key);
+
+    if (!value) {
+        // Key wasn't set (or had been cleared), move along
+    } else if (/^\d+(\.\d+)?$/.test(value)) {
+        // If value is a number, it's probably volume from an older
+        // version of this. See: https://github.com/sampotts/plyr/pull/313
+        // Update the key to be JSON
+        set({
+            volume: parseFloat(value),
+        });
+    } else {
+        // Assume it's JSON from this or a later version of plyr
+        storage = JSON.parse(value);
+    }
+
+    return storage;
+}
+
+export default { setup, set };