feat(reload): Preserve local track mute state.

2020-05-07 18:18:21 -05:00
parent a48aa2b999
commit d388a7bd3c
15 changed files with 81 additions and 29 deletions
@@ -0,0 +1,61 @@
+/* @flow */
+
+import { reportError } from './helpers';
+
+/**
+ * Parses the query/search or fragment/hash parameters out of a specific URL and
+ * returns them as a JS object.
+ *
+ * @param {URL} url - The URL to parse.
+ * @param {boolean} dontParse - If falsy, some transformations (for parsing the
+ * value as JSON) will be executed.
+ * @param {string} source - If {@code 'search'}, the parameters will parsed out
+ * of {@code url.search}; otherwise, out of {@code url.hash}.
+ * @returns {Object}
+ */
+export function parseURLParams(
+        url: URL,
+        dontParse: boolean = false,
+        source: string = 'hash'): Object {
+    const paramStr = source === 'search' ? url.search : url.hash;
+    const params = {};
+    const paramParts = (paramStr && paramStr.substr(1).split('&')) || [];
+
+    // Detect and ignore hash params for hash routers.
+    if (source === 'hash' && paramParts.length === 1) {
+        const firstParam = paramParts[0];
+
+        if (firstParam.startsWith('/') && firstParam.split('&').length === 1) {
+            return params;
+        }
+    }
+
+    paramParts.forEach(part => {
+        const param = part.split('=');
+        const key = param[0];
+
+        if (!key) {
+            return;
+        }
+
+        let value;
+
+        try {
+            value = param[1];
+
+            if (!dontParse) {
+                const decoded = decodeURIComponent(value).replace(/\\&/, '&');
+
+                value = decoded === 'undefined' ? undefined : JSON.parse(decoded);
+            }
+        } catch (e) {
+            reportError(
+                e, `Failed to parse URL parameter value: ${String(value)}`);
+
+            return;
+        }
+        params[key] = value;
+    });
+
+    return params;
+}