47 lines
1.0 KiB
TypeScript
47 lines
1.0 KiB
TypeScript
import { TextInput } from "./TextInput";
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export function MACInput(p: {
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label: string;
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editable: boolean;
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value?: string;
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onValueChange?: (newVal: string | undefined) => void;
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}): React.ReactElement {
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const { onValueChange, ...props } = p;
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return (
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<TextInput
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onValueChange={(v) => {
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onValueChange?.(sanitizeMacAddress(v));
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}}
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{...props}
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/>
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);
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}
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function sanitizeMacAddress(s: string | undefined): string | undefined {
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if (s === "" || s === undefined) return s;
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const split = s.split(":");
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if (split.length > 6) split.splice(6);
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let needAnotherIteration = false;
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const res = split
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.map((e) => {
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if (e === "") return e;
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const num = parseInt(e, 16);
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if (isNaN(num)) return "0";
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let s = num.toString(16).padStart(2, "0");
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if (num > 0xff) {
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needAnotherIteration = true;
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return s.slice(0, 2) + ":" + s.slice(2);
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}
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return s;
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})
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.join(":");
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return needAnotherIteration ? sanitizeMacAddress(res) : res;
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}
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