Method invalidate

js/src/index.ts:839–856

(source: Source)

  }

  async invalidate(source: Source) {
    const key = source.getKey();
    if (this.invalidations.get(key)) {
      return await this.invalidations.get(key);
    }
    this.cache.delete(source.getKey());
    const p = new Promise<void>((resolve, reject) => {
      this.getHeader(source)
        .then((h) => {
          resolve();
          this.invalidations.delete(key);
        })
        .catch((e) => {
          reject(e);
        });
    });
    this.invalidations.set(key, p);
  }
}

/**