graphql-modules/esm/di/registry.js

Create reusable, maintainable, testable and extendable GraphQL modules

import { stringify } from './utils';
import { resolveForwardRef } from './forward-ref';
export class Key {
    constructor(token, id) {
        this.token = token;
        this.id = id;
        if (!token) {
            throw new Error('Token must be defined!');
        }
    }
    /**
     * Returns a stringified token.
     */
    get displayName() {
        return stringify(this.token);
    }
    static get(token) {
        return _globalKeyRegistry.get(resolveForwardRef(token));
    }
}
class GlobalKeyRegistry {
    constructor() {
        this._allKeys = new Map();
    }
    get(token) {
        if (token instanceof Key) {
            return token;
        }
        if (this._allKeys.has(token)) {
            return this._allKeys.get(token);
        }
        const newKey = new Key(token, _globalKeyRegistry.numberOfKeys);
        this._allKeys.set(token, newKey);
        return newKey;
    }
    get numberOfKeys() {
        return this._allKeys.size;
    }
}
const _globalKeyRegistry = new GlobalKeyRegistry();