27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
import { memoize } from "@smithy/property-provider";
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import bowser from "bowser";
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import { DEFAULTS_MODE_OPTIONS } from "./constants";
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export const resolveDefaultsModeConfig = ({ defaultsMode, } = {}) => memoize(async () => {
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const mode = typeof defaultsMode === "function" ? await defaultsMode() : defaultsMode;
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switch (mode?.toLowerCase()) {
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case "auto":
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return Promise.resolve(isMobileBrowser() ? "mobile" : "standard");
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case "mobile":
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case "in-region":
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case "cross-region":
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case "standard":
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case "legacy":
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return Promise.resolve(mode?.toLocaleLowerCase());
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case undefined:
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return Promise.resolve("legacy");
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default:
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throw new Error(`Invalid parameter for "defaultsMode", expect ${DEFAULTS_MODE_OPTIONS.join(", ")}, got ${mode}`);
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}
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});
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const isMobileBrowser = () => {
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const parsedUA = typeof window !== "undefined" && window?.navigator?.userAgent
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? bowser.parse(window.navigator.userAgent)
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: undefined;
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const platform = parsedUA?.platform?.type;
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return platform === "tablet" || platform === "mobile";
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};
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