2022-05-19 17:46:21 +02:00
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import type { Token } from 'next/dist/compiled/path-to-regexp'
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import { parse, tokensToRegexp } from 'next/dist/compiled/path-to-regexp'
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import { parse as parseURL } from 'url'
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import isError from './is-error'
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interface ParseResult {
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error?: any
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parsedPath: string
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regexStr?: string
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route: string
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tokens?: Token[]
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}
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2022-08-15 16:29:51 +02:00
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/**
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* If there is an error show our error link but still show original error or
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* a formatted one if we can
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*/
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function reportError({ route, parsedPath }: ParseResult, err: any) {
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let errMatches
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if (isError(err) && (errMatches = err.message.match(/at (\d{0,})/))) {
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const position = parseInt(errMatches[1], 10)
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console.error(
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`\nError parsing \`${route}\` ` +
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`https://nextjs.org/docs/messages/invalid-route-source\n` +
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`Reason: ${err.message}\n\n` +
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` ${parsedPath}\n` +
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` ${new Array(position).fill(' ').join('')}^\n`
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)
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} else {
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console.error(
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`\nError parsing ${route} https://nextjs.org/docs/messages/invalid-route-source`,
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err
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)
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}
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}
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2022-05-19 17:46:21 +02:00
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/**
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* Attempts to parse a given route with `path-to-regexp` and returns an object
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* with the result. Whenever an error happens on parse, it will print an error
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* attempting to find the error position and showing a link to the docs. When
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* `handleUrl` is set to `true` it will also attempt to parse the route
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* and use the resulting pathname to parse with `path-to-regexp`.
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*/
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export function tryToParsePath(
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route: string,
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options?: {
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handleUrl?: boolean
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}
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): ParseResult {
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const result: ParseResult = { route, parsedPath: route }
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try {
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if (options?.handleUrl) {
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const parsed = parseURL(route, true)
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result.parsedPath = `${parsed.pathname!}${parsed.hash || ''}`
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}
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result.tokens = parse(result.parsedPath)
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result.regexStr = tokensToRegexp(result.tokens).source
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} catch (err) {
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reportError(result, err)
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result.error = err
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}
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return result
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}
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