Method check

src/node/db/Pad.ts:902–1023

* Asserts that all pad data is consistent. Throws if inconsistent.

()

   * Asserts that all pad data is consistent. Throws if inconsistent.
   */
  async check() {
    assert(this.id != null);
    assert.equal(typeof this.id, 'string');

    const head = this.getHeadRevisionNumber();
    assert(head != null);
    assert(Number.isInteger(head));
    assert(head >= -1);

    const savedRevisionsList = this.getSavedRevisionsList();
    assert(Array.isArray(savedRevisionsList));
    assert.equal(this.getSavedRevisionsNumber(), savedRevisionsList.length);
    let prevSavedRev = null;
    for (const rev of savedRevisionsList) {
      assert(rev != null);
      assert(Number.isInteger(rev));
      assert(rev >= 0);
      assert(rev <= head);
      assert(prevSavedRev == null || rev > prevSavedRev);
      prevSavedRev = rev;
    }
    const savedRevisions = this.getSavedRevisions();
    assert(Array.isArray(savedRevisions));
    assert.equal(savedRevisions.length, savedRevisionsList.length);
    const savedRevisionsIds = new Set();
    for (const savedRev of savedRevisions) {
      assert(savedRev != null);
      assert.equal(typeof savedRev, 'object');
      assert(savedRevisionsList.includes(savedRev.revNum));
      assert(savedRev.id != null);
      assert.equal(typeof savedRev.id, 'string');
      assert(!savedRevisionsIds.has(savedRev.id));
      savedRevisionsIds.add(savedRev.id);
    }

    const pool = this.apool();
    assert(pool instanceof AttributePool);
    await pool.check();

    const authorIds = new Set();
    pool.eachAttrib((k, v) => {
      if (k === 'author' && v) authorIds.add(v);
    });
    const revs = Stream.range(0, head + 1)
        .map(async (r: number) => {
          const isKeyRev = r === this.getKeyRevisionNumber(r);
          try {
            return await Promise.all([
              r,
              this.getRevisionChangeset(r),
              this.getRevisionAuthor(r),
              this.getRevisionDate(r),
              isKeyRev,
              isKeyRev ? this._getKeyRevisionAText(r) : null,
            ]);
          } catch (err:any) {
            err.message = `(pad ${this.id} revision ${r}) ${err.message}`;
            throw err;