Function detectCycles

Parameters

• tasks: (
      | {
          color?: string;
          data?: Record<string, unknown>;
          endDate: string;
          id: number;
          kind: "task";
          parent?: number;
          percentComplete: number;
          readonly?: boolean;
          startDate: string;
          text: string;
      }
      | {
          color?: string;
          data?: Record<string, unknown>;
          endDate: string;
          id: number;
          kind: "project";
          open: boolean;
          parent?: number;
          percentComplete: number;
          readonly?: boolean;
          startDate: string;
          text: string;
      }
      | {
          color?: string;
          data?: Record<string, unknown>;
          id: number;
          kind: "milestone";
          parent?: number;
          readonly?: boolean;
          startDate: string;
          text: string;
      }
  )[]

  The task list (used to build the vertex set).

  • {
        color?: string;
        data?: Record<string, unknown>;
        endDate: string;
        id: number;
        kind: "task";
        parent?: number;
        percentComplete: number;
        readonly?: boolean;
        startDate: string;
        text: string;
    }

    • Optionalcolor?: string

      Optional CSS color value for the task bar. Overrides the default color assignment.

    • Optionaldata?: Record<string, unknown>

      Optional arbitrary metadata for consumer use. Preserved in the parsed output.

    • endDate: string

      ISO date: YYYY-MM-DD

    • id: number

      Unique positive integer identifier for the task.

    • kind: "task"

    • Optionalparent?: number

      Optional id of the parent task. When set, this task is a child in the hierarchy.

    • percentComplete: number

      0–100 completion percentage (integer).

    • Optionalreadonly?: boolean

      When true, the task bar cannot be dragged or resized.

    • startDate: string

      ISO date: YYYY-MM-DD

    • text: string

      Display name / label of the task.

  • {
        color?: string;
        data?: Record<string, unknown>;
        endDate: string;
        id: number;
        kind: "project";
        open: boolean;
        parent?: number;
        percentComplete: number;
        readonly?: boolean;
        startDate: string;
        text: string;
    }

    • Optionalcolor?: string

      Optional CSS color value for the task bar. Overrides the default color assignment.

    • Optionaldata?: Record<string, unknown>

      Optional arbitrary metadata for consumer use. Preserved in the parsed output.

    • endDate: string

      ISO date: YYYY-MM-DD

    • id: number

      Unique positive integer identifier for the task.

    • kind: "project"

    • open: boolean

      Initial expanded state for tree hierarchy. When false, children of this task are hidden on initial render.

      Default

      true
      Copy

    • Optionalparent?: number

      Optional id of the parent task. When set, this task is a child in the hierarchy.

    • percentComplete: number

      0–100 completion percentage (integer).

    • Optionalreadonly?: boolean

      When true, the task bar cannot be dragged or resized.

    • startDate: string

      ISO date: YYYY-MM-DD

    • text: string

      Display name / label of the task.

  • {
        color?: string;
        data?: Record<string, unknown>;
        id: number;
        kind: "milestone";
        parent?: number;
        readonly?: boolean;
        startDate: string;
        text: string;
    }

    • Optionalcolor?: string

      Optional CSS color value for the task bar. Overrides the default color assignment.

    • Optionaldata?: Record<string, unknown>

      Optional arbitrary metadata for consumer use. Preserved in the parsed output.

    • id: number

      Unique positive integer identifier for the task.

    • kind: "milestone"

    • Optionalparent?: number

      Optional id of the parent task. When set, this task is a child in the hierarchy.

    • Optionalreadonly?: boolean

      When true, the task bar cannot be dragged or resized.

    • startDate: string

      ISO date: YYYY-MM-DD

    • text: string

      Display name / label of the task.

• links: {
      data?: Record<string, unknown>;
      id: number;
      readonly?: boolean;
      source: number;
      target: number;
      type: "FS" | "SS" | "FF" | "SF";
  }[]

  The dependency links defining the directed edges.

  • Optionaldata?: Record<string, unknown>

    Optional arbitrary metadata for consumer use. Preserved in the parsed output.

  • id: number

    Unique positive integer identifier for the dependency link.

  • Optionalreadonly?: boolean

    When true, the link cannot be modified or deleted through the UI.

  • source: number

    The id of the predecessor task (the task that drives the dependency).

  • target: number

    The id of the successor task (the task that depends on the predecessor).

  • type: "FS" | "SS" | "FF" | "SF"

    Dependency type.

    • 'FS' — Finish-to-start: successor starts after predecessor finishes.
    • 'SS' — Start-to-start: successor starts at the same time as predecessor.
    • 'FF' — Finish-to-finish: successor finishes at the same time as predecessor.
    • 'SF' — Start-to-finish: successor finishes after predecessor starts.

    Default

    'FS'
    Copy