Function parseGraphVariables

packages/common/types/comfy-variables.types.ts:146–218

(workflow: PersistedWorkflowDocument, widgets: Record<string, Widget>)

 * @returns 
 */
export function parseGraphVariables(workflow: PersistedWorkflowDocument, widgets: Record<string, Widget>): ComfyGraghVariables {
  const vars = getDefaultComfyGraphVars();
  const nodesMap = workflow.nodes
  const connections = workflow.connections;

  connections.forEach(conn => {
    const source_node = nodesMap[conn.source];
    const target_node = nodesMap[conn.target];
    const target_widget_name = target_node.value.widget;
    const source_widget = widgets[source_node.value.widget];

    if (!source_widget) {
      return
    }

    // 如果 source 判断是本地的 widget 则不能把它的 output 作为变量，比如 reroute，const 等
    if (Widget.isLocalWidget(source_widget)) {
      return
    }

    // source 的输出具体信息找出来
    const output_handle = conn.sourceHandle as any;
    const outputs = source_widget.output;
    const outputs_names = source_widget.output_name;
    const output_name = outputs_names ? outputs_names[outputs.indexOf(output_handle)] : output_handle;

    // target port 的信息
    const target_handle = conn.targetHandle;

    const var_info: ComfyGraphVar = {
      name: output_name,
      type: output_handle,
      connection: conn,
      source_node,
      target_node
    }

    switch (target_widget_name) {
      case NODE_ANYTHING_EVERYWHERE3:
      case NODE_ANYTHING_EVERYWHERE:
        vars.global[output_handle] = var_info
        break;
      case NODE_ANYTHING_EVERYWHERE_PROMPT:
        if (target_handle == "+VE") {
          vars.global["CONDITIONING.positive"] = {
            ...var_info,
            name: "CONDITIONING.positive"
          }
        }
        if (target_handle == "-VE") {
          vars.global["CONDITIONING.negative"] = {
            ...var_info,
            name: "CONDITIONING.negative"
          }
        }
        break;
      case NODE_ANYTHING_EVERYWHERE_REGEX:
        vars.regex[output_handle] = {