Max P.
b83aa330b3
- Replace standard imports with type-only imports to improve clarity and align with TypeScript best practices. - Ensure consistency across modules by modifying all relevant files.
55 lines
1.6 KiB
TypeScript
55 lines
1.6 KiB
TypeScript
// createRouteMatcher.ts
|
|
|
|
import {
|
|
type IRouteDefinition,
|
|
type IRouteMatch,
|
|
type IRouteMatcher,
|
|
isDynamicRouteDefinition,
|
|
} from '../Interfaces/mod.ts';
|
|
import type { Params, Query } from '../Types/mod.ts';
|
|
|
|
/**
|
|
* Transforms a route definition into a matcher using Deno's URLPattern API.
|
|
*
|
|
* @param def - Static path pattern or custom matcher.
|
|
* @returns IRouteMatcher that returns `{ params, query }` or `null`.
|
|
*/
|
|
export function createRouteMatcher(
|
|
def: IRouteDefinition,
|
|
): IRouteMatcher {
|
|
// 1. Allow users to provide their own matcher
|
|
if (isDynamicRouteDefinition(def)) {
|
|
return def.matcher;
|
|
}
|
|
|
|
// 2. Build URLPattern; supports :id, *wildcards, regex groups, etc.
|
|
const pattern = new URLPattern({ pathname: def.path });
|
|
|
|
// 3. The actual matcher closure
|
|
return (url: URL): IRouteMatch | null => {
|
|
const result = pattern.exec(url);
|
|
|
|
// 3a. Path did not match
|
|
if (!result) return null;
|
|
|
|
// 3b. Extract route params
|
|
const params: Params = {};
|
|
for (const [key, value] of Object.entries(result.pathname.groups)) {
|
|
if (value) {
|
|
params[key] = value;
|
|
}
|
|
}
|
|
|
|
// 3c. Extract query parameters – keep duplicates as arrays
|
|
const query: Query = {};
|
|
for (const key of url.searchParams.keys()) {
|
|
const values = url.searchParams.getAll(key); // → string[]
|
|
query[key] = values.length === 1
|
|
? values[0] // single → "foo"
|
|
: values; // multi → ["foo","bar"]
|
|
}
|
|
|
|
return { params, query };
|
|
};
|
|
}
|