• requirements: recursively unchecked objects
• expectation: the object of checked: false cannot be selected, for example, in the following data (watermelon, pudding, tasteless)
• data

[
   {
          title: "parent 1",
          expand: true,
          checked: false,
          children: [
            {
              title: "parent 1-1",
              expand: true,
              checked: false,
              children: [
                {
                  checked: false,
                  title: ""
                },
                {
                  checked: false,
                  title: "leaf 1-1-2"
                }
              ]
            },
            {
              title: "parent 1-2",

              checked: false,
              expand: true,
              children: [
                {
                  checked: false,
                  title: "leaf 1-2-1"
                },
                {
                  checked: false,
                  title: "leaf 1-2-1"
                }
              ]
            }
          ]
        },
        {
          title: "parent 11",
          checked: false,
          expand: true,
          children: [
            {
              title: "parent 11-1",
              checked: false,
              expand: true,
              children: [
                {
                  checked: false,
                  title: "leaf 11-1-1"
                },
                {
                  checked: false,
                  title: "leaf 11-1-2"
                }
              ]
            },
            {
              title: "adfasdfas",
              checked: false,
              expand: true,
              children: [
                {
                  checked: false,
                  title: ""
                },
                {
                  checked: false,
                  title: ""
                }
              ]
            }
          ]
        }
]

implementation method:

    function findTarget(source, targetName) {
            if (source && source.length) {
              for (let item of source) {
                if (item.checked === targetName) {
                  console.log(item.title);
                } else if (item.children && item.children.length) {
                  findTarget(item.children, targetName);
                }
              }
            }
          }
          findTarget(this.data2, false);
          for (let i = 0; i < this.data2.length; iPP) {
            findTarget(this.data2[i], false);
          }
        }

problem: unable to achieve the desired effect