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48 lines
1.1 KiB
TypeScript
48 lines
1.1 KiB
TypeScript
7 years ago
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export type RouteKeysType = { [Identifier: string]: any };
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export class RouteResolver {
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routes: {};
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constructor(routes: {}) {
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this.routes = routes;
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}
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getRoute(name: string, _keys?: RouteKeysType): string {
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let dict = this.routes;
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let path: string[] = [];
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name.split('.').forEach((key) => {
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const val = (typeof dict[key] === 'string') ? dict[key] : dict[key]._base;
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path.push(val);
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dict = dict[key];
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});
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if (_keys) {
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let keys = Object.assign({}, _keys);
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path = path.map((pathComponent) => {
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return pathComponent.split('/').map((val) => {
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if (val[0] === ':') {
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const ret = keys[val.slice(1)];
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if (ret === undefined) {
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throw new Error('Missing key: ' + val.slice(1));
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}
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delete keys[val.slice(1)];
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return ret;
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}
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return val;
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}).join('/');
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});
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if (Object.keys(keys).length !== 0) {
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throw new Error('Too many keys for route.');
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}
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}
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return '/' + path.join('/');
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}
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}
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