Method composeNode

yaml/_loader_state.ts:1569–1702

({ parentIndent, nodeContext, allowToSeek, allowCompact }: {
    parentIndent: number;
    nodeContext: number;
    allowToSeek: boolean;
    allowCompact: boolean;
  })

    return state;
  }
  composeNode({ parentIndent, nodeContext, allowToSeek, allowCompact }: {
    parentIndent: number;
    nodeContext: number;
    allowToSeek: boolean;
    allowCompact: boolean;
  }): State | void {
    let indentStatus = 1; // 1: this>parent, 0: this=parent, -1: this<parent
    let atNewLine = false;

    const allowBlockScalars = CONTEXT_BLOCK_OUT === nodeContext ||
      CONTEXT_BLOCK_IN === nodeContext;

    let allowBlockCollections = allowBlockScalars;
    const allowBlockStyles = allowBlockScalars;

    if (allowToSeek) {
      if (this.skipSeparationSpace(true, -1)) {
        atNewLine = true;
        indentStatus = getIndentStatus(this.lineIndent, parentIndent);
      }
    }

    let tag: string | null = null;
    let anchor: string | null = null;

    if (indentStatus === 1) {
      while (true) {
        const newTag = this.readTagProperty(tag);
        if (newTag) {
          tag = newTag;
        } else {
          const newAnchor = this.readAnchorProperty(anchor);
          if (!newAnchor) break;
          anchor = newAnchor;
        }
        if (this.skipSeparationSpace(true, -1)) {
          atNewLine = true;
          allowBlockCollections = allowBlockStyles;
          indentStatus = getIndentStatus(this.lineIndent, parentIndent);
        } else {
          allowBlockCollections = false;
        }
      }
    }

    if (allowBlockCollections) {
      allowBlockCollections = atNewLine || allowCompact;
    }

    if (indentStatus === 1) {
      const cond = CONTEXT_FLOW_IN === nodeContext ||
        CONTEXT_FLOW_OUT === nodeContext;
      const flowIndent = cond ? parentIndent : parentIndent + 1;

      if (allowBlockCollections) {
        const blockIndent = this.#scanner.position - this.lineStart;
        const blockSequenceState = this.readBlockSequence(
          tag,