Method parameterise

src/lib/RequestStore.ts:115–132

(
    index: number,
    path: string,
    host: string
  )

  }

  public parameterise(
    index: number,
    path: string,
    host: string
  ): string | null {
    const result = parameterise({ store: this.store, index, path, host });
    if (!result) return null;
    const { removedPaths, insertedPath, insertedLeaf } = result;
    const unsetLeafMap = (path: string) => unset(this.leafMap[host], path);
    removedPaths.concat([path]).forEach(unsetLeafMap);
    insertLeafMap({
      leafMap: this.leafMap,
      host,
      leaf: insertedLeaf,
      path: insertedPath,
    });
    return insertedPath;
  }

  public setDisabledHosts(disabledHosts: Set<string>): void {
    this.disabledHosts = disabledHosts;