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import path from '../../../shared/lib/isomorphic/path'
import { normalizePagePath } from '../../../shared/lib/page-path/normalize-page-path'
import { isDynamicRoute } from '../../../shared/lib/router/utils/is-dynamic'
import { getNamedRouteRegex } from '../../../shared/lib/router/utils/route-regex'
import { normalizeRouteRegex } from '../../../lib/load-custom-routes'
import { escapeStringRegexp } from '../../../shared/lib/escape-regexp'
export function buildDataRoute(page: string, buildId: string) {
const pagePath = normalizePagePath(page)
const dataRoute = path.posix.join('/_next/data', buildId, `${pagePath}.json`)
let dataRouteRegex: string
let namedDataRouteRegex: string | undefined
let routeKeys: { [named: string]: string } | undefined
if (isDynamicRoute(page)) {
const routeRegex = getNamedRouteRegex(dataRoute, {
prefixRouteKeys: true,
includeSuffix: true,
excludeOptionalTrailingSlash: true,
})
dataRouteRegex = normalizeRouteRegex(routeRegex.re.source)
namedDataRouteRegex = routeRegex.namedRegex
routeKeys = routeRegex.routeKeys
} else {
dataRouteRegex = normalizeRouteRegex(
new RegExp(
`^${path.posix.join(
'/_next/data',
escapeStringRegexp(buildId),
`${pagePath}\\.json`
)}$`
).source
)
}
return {
page,
routeKeys,
dataRouteRegex,
namedDataRouteRegex,
}
}
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