48 lines
1.5 KiB
TypeScript
48 lines
1.5 KiB
TypeScript
import { NextMiddleware, NextResponse } from "next/server"
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import { MiddlewareMatcher } from "@/types/middleware"
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/*
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Middleware function to normalize date formats to support
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YYYY-MM-D and YYYY-MM-DD since the current web uses YYYY-MM-D
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in the URL as parameters (toDate and fromDate)
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*/
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const legacyDatePattern = /^([12]\d{3}-(0[1-9]|1[0-2])-([1-9]))$/
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function normalizeDate(date: string): string {
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const datePattern = /^\d{4}-\d{1,2}-\d{1,2}$/
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if (datePattern.test(date)) {
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const [year, month, day] = date.split("-").map(Number)
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return `${year}-${String(month).padStart(2, "0")}-${String(day).padStart(2, "0")}`
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}
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return date
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}
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export const middleware: NextMiddleware = (request) => {
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const url = request.nextUrl.clone()
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const { searchParams } = url
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if (
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legacyDatePattern.test(searchParams.get("fromDate")!) ||
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legacyDatePattern.test(searchParams.get("toDate")!)
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) {
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const fromDate = searchParams.get("fromDate")!
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url.searchParams.set("fromDate", normalizeDate(fromDate))
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const toDate = searchParams.get("toDate")!
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url.searchParams.set("toDate", normalizeDate(toDate))
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return NextResponse.redirect(url)
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} else {
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const headers = new Headers(request.headers)
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headers.set("x-continue", "1")
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return NextResponse.next({
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headers,
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})
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}
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}
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export const matcher: MiddlewareMatcher = (request) => {
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const { searchParams } = request.nextUrl
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return searchParams.has("fromDate") || searchParams.has("toDate")
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}
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