Method readBlockSequence

yaml/_loader_state.ts:372–429

(
    tag: string | null,
    anchor: string | null,
    nodeIndent: number,
  )

    }
  }
  readBlockSequence(
    tag: string | null,
    anchor: string | null,
    nodeIndent: number,
  ): State | void {
    let detected = false;

    const result: unknown[] = [];

    if (anchor !== null) this.anchorMap.set(anchor, result);

    let ch = this.#scanner.peek();

    while (ch !== 0) {
      if (ch !== MINUS) {
        break;
      }

      const following = this.#scanner.peek(1);

      if (!isWhiteSpaceOrEOL(following)) {
        break;
      }

      detected = true;
      this.#scanner.next();

      if (this.skipSeparationSpace(true, -1)) {
        if (this.lineIndent <= nodeIndent) {
          result.push(null);
          ch = this.#scanner.peek();
          continue;
        }
      }

      const line = this.line;
      const newState = this.composeNode({
        parentIndent: nodeIndent,
        nodeContext: CONTEXT_BLOCK_IN,
        allowToSeek: false,
        allowCompact: true,
      });
      if (newState) result.push(newState.result);
      this.skipSeparationSpace(true, -1);

      ch = this.#scanner.peek();

      if ((this.line === line || this.lineIndent > nodeIndent) && ch !== 0) {
        throw this.#createError(
          "Cannot read block sequence: bad indentation of a sequence entry",
        );
      } else if (this.lineIndent < nodeIndent) {
        break;
      }
    }

    if (detected) return { tag, anchor, kind: "sequence", result };
  }