21 lines
626 B
TypeScript
21 lines
626 B
TypeScript
export const SESSION_LABEL_MAX_LENGTH = 64;
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export type ParsedSessionLabel =
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| { ok: true; label: string }
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| { ok: false; error: string };
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export function parseSessionLabel(raw: unknown): ParsedSessionLabel {
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if (typeof raw !== "string") {
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return { ok: false, error: "invalid label: must be a string" };
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}
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const trimmed = raw.trim();
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if (!trimmed) return { ok: false, error: "invalid label: empty" };
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if (trimmed.length > SESSION_LABEL_MAX_LENGTH) {
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return {
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ok: false,
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error: `invalid label: too long (max ${SESSION_LABEL_MAX_LENGTH})`,
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};
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}
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return { ok: true, label: trimmed };
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}
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