43 lines
1.2 KiB
TypeScript
43 lines
1.2 KiB
TypeScript
import type express from "express";
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export function jsonError(
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res: express.Response,
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status: number,
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message: string,
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) {
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res.status(status).json({ error: message });
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}
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export function toStringOrEmpty(value: unknown) {
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if (typeof value === "string") return value.trim();
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if (typeof value === "number" || typeof value === "boolean") {
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return String(value).trim();
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}
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return "";
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}
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export function toNumber(value: unknown) {
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if (typeof value === "number" && Number.isFinite(value)) return value;
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if (typeof value === "string" && value.trim()) {
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const parsed = Number(value);
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return Number.isFinite(parsed) ? parsed : undefined;
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}
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return undefined;
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}
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export function toBoolean(value: unknown) {
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if (typeof value === "boolean") return value;
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if (typeof value === "string") {
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const v = value.trim().toLowerCase();
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if (v === "true" || v === "1" || v === "yes") return true;
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if (v === "false" || v === "0" || v === "no") return false;
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}
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return undefined;
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}
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export function toStringArray(value: unknown): string[] | undefined {
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if (!Array.isArray(value)) return undefined;
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const strings = value.map((v) => toStringOrEmpty(v)).filter(Boolean);
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return strings.length ? strings : undefined;
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}
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