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Copy pathdevice-addresses.ts
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52 lines (45 loc) · 1.64 KB
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import { ApplicationSettings } from "@nativescript/core";
export type DeviceAddresses = {
right: string;
left: string;
ring: string;
};
const ADDRESS_KEYS = {
right: "deviceAddress.right",
left: "deviceAddress.left",
ring: "deviceAddress.ring",
} as const;
const DEFAULT_DEVICE_ADDRESSES: DeviceAddresses = {
right: "",
left: "",
ring: "",
};
export function loadDeviceAddresses(): DeviceAddresses {
return {
right: normalizeMacAddress(ApplicationSettings.getString(ADDRESS_KEYS.right, DEFAULT_DEVICE_ADDRESSES.right)),
left: normalizeMacAddress(ApplicationSettings.getString(ADDRESS_KEYS.left, DEFAULT_DEVICE_ADDRESSES.left)),
ring: normalizeMacAddress(ApplicationSettings.getString(ADDRESS_KEYS.ring, DEFAULT_DEVICE_ADDRESSES.ring)),
};
}
export function saveDeviceAddresses(addresses: DeviceAddresses): void {
ApplicationSettings.setString(ADDRESS_KEYS.right, normalizeMacAddress(addresses.right));
ApplicationSettings.setString(ADDRESS_KEYS.left, normalizeMacAddress(addresses.left));
ApplicationSettings.setString(ADDRESS_KEYS.ring, normalizeMacAddress(addresses.ring));
}
export function normalizeMacAddress(value: string | null | undefined): string {
const compact = (value ?? "")
.trim()
.replace(/[^0-9a-fA-F]/g, "")
.toUpperCase();
if (compact.length !== 12) {
return (value ?? "").trim().toUpperCase();
}
return compact.match(/.{1,2}/g)?.join(":") ?? compact;
}
export function isValidMacAddress(value: string, allowEmpty = false): boolean {
const trimmed = value.trim();
if (!trimmed) {
return allowEmpty;
}
return /^[0-9A-F]{2}(?::[0-9A-F]{2}){5}$/.test(normalizeMacAddress(trimmed));
}