| import type { Group } from './route-regex' |
| import { DecodeError } from '../../utils' |
| import type { Params } from '../../../../server/request/params' |
| import { safeRouteMatcher } from './route-match-utils' |
|
|
| export interface RouteMatchFn { |
| (pathname: string): false | Params |
| } |
|
|
| type RouteMatcherOptions = { |
| |
| |
| re: Pick<RegExp, 'exec'> |
| groups: Record<string, Group> |
| } |
|
|
| export function getRouteMatcher({ |
| re, |
| groups, |
| }: RouteMatcherOptions): RouteMatchFn { |
| const rawMatcher = (pathname: string) => { |
| const routeMatch = re.exec(pathname) |
| if (!routeMatch) return false |
|
|
| const decode = (param: string) => { |
| try { |
| return decodeURIComponent(param) |
| } catch { |
| throw new DecodeError('failed to decode param') |
| } |
| } |
|
|
| const params: Params = {} |
| for (const [key, group] of Object.entries(groups)) { |
| const match = routeMatch[group.pos] |
| if (match !== undefined) { |
| if (group.repeat) { |
| params[key] = match.split('/').map((entry) => decode(entry)) |
| } else { |
| params[key] = decode(match) |
| } |
| } |
| } |
|
|
| return params |
| } |
|
|
| |
| return safeRouteMatcher(rawMatcher) |
| } |
|
|
