initial commit

2026-05-13 14:20:41 +00:00
commit 6e178d2012
6022 changed files with 399872 additions and 0 deletions
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+import { memoize } from "@smithy/property-provider";
+import { DEFAULTS_MODE_OPTIONS } from "./constants";
+export const resolveDefaultsModeConfig = ({ defaultsMode, } = {}) => memoize(async () => {
+    const mode = typeof defaultsMode === "function" ? await defaultsMode() : defaultsMode;
+    switch (mode?.toLowerCase()) {
+        case "auto":
+            return Promise.resolve(useMobileConfiguration() ? "mobile" : "standard");
+        case "mobile":
+        case "in-region":
+        case "cross-region":
+        case "standard":
+        case "legacy":
+            return Promise.resolve(mode?.toLocaleLowerCase());
+        case undefined:
+            return Promise.resolve("legacy");
+        default:
+            throw new Error(`Invalid parameter for "defaultsMode", expect ${DEFAULTS_MODE_OPTIONS.join(", ")}, got ${mode}`);
+    }
+});
+const useMobileConfiguration = () => {
+    const navigator = window?.navigator;
+    if (navigator?.connection) {
+        const { effectiveType, rtt, downlink } = navigator?.connection;
+        const slow = (typeof effectiveType === "string" && effectiveType !== "4g") || Number(rtt) > 100 || Number(downlink) < 10;
+        if (slow) {
+            return true;
+        }
+    }
+    return (navigator?.userAgentData?.mobile || (typeof navigator?.maxTouchPoints === "number" && navigator?.maxTouchPoints > 1));
+};