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1.2 KiB
TypeScript

// SPDX-FileCopyrightText: © 2017 EteSync Authors
// SPDX-License-Identifier: AGPL-3.0-only
export interface RouteKeysType {
[Identifier: string]: any;
}
export class RouteResolver {
public routes: {};
constructor(routes: {}) {
this.routes = routes;
}
public getRoute(name: string, _keys?: RouteKeysType): string {
let dict = this.routes;
let path: string[] = [];
name.split(".").forEach((key) => {
const val = (typeof dict[key] === "string") ? dict[key] : (dict[key]._base) ? dict[key]._base : key;
path.push(val);
dict = dict[key];
});
if (_keys) {
const keys = Object.assign({}, _keys);
path = path.map((pathComponent) => {
return pathComponent.split("/").map((val) => {
if (val[0] === ":") {
const ret = keys[val.slice(1)];
if (ret === undefined) {
throw new Error("Missing key: " + val.slice(1));
}
delete keys[val.slice(1)];
return ret;
}
return val;
}).join("/");
});
if (Object.keys(keys).length !== 0) {
throw new Error("Too many keys for route.");
}
}
return "/" + path.join("/");
}
}