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import type { RouteMatcher } from '../../route-matchers/route-matcher'
import { CachedRouteMatcherProvider } from '../helpers/cached-route-matcher-provider'
import type { FileReader } from './helpers/file-reader/file-reader'
/**
* This will memoize the matchers when the file contents are the same.
*/
export abstract class FileCacheRouteMatcherProvider<
M extends RouteMatcher = RouteMatcher,
> extends CachedRouteMatcherProvider<M, ReadonlyArray<string>> {
constructor(dir: string, reader: FileReader) {
super({
load: async () => reader.read(dir),
compare: (left, right) => {
if (left.length !== right.length) return false
// Assuming the file traversal order is deterministic...
for (let i = 0; i < left.length; i++) {
if (left[i] !== right[i]) return false
}
return true
},
})
}
}
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