golang 标准库间依赖的可视化展示

go list -json  std

{
    "Dir": "/usr/local/go/src/archive/tar",
    "ImportPath": "archive/tar",
    "Name": "tar",
    "Doc": "Package tar implements access to tar archives.",
    "Target": "/usr/local/go/pkg/darwin_amd64/archive/tar.a",
    "Goroot": true,
    "Standard": true,
    "StaleReason": "standard package in Go release distribution",
    "Root": "/usr/local/go",
    "GoFiles": [
        "common.go",
        "format.go",
        "reader.go",
        "stat_atimespec.go",
        "stat_unix.go",
        "strconv.go",
        "writer.go"
    ],
    "IgnoredGoFiles": [
        "stat_atim.go"
    ],
    "Imports": [
        "bytes",
        "errors",
        "fmt",
        "io",
        "io/ioutil",
        "math",
        "os",
        "path",
        "sort",
        "strconv",
        "strings",
        "syscall",
        "time"
    ],
    "Deps": [
        "bytes",
        "errors",
        "fmt",
        "internal/cpu",
        "internal/poll",
        "internal/race",
        "io",
        "io/ioutil",
        "math",
        "os",
        "path",
        "path/filepath",
        "reflect",
        "runtime",
        "runtime/internal/atomic",
        "runtime/internal/sys",
        "sort",
        "strconv",
        "strings",
        "sync",
        "sync/atomic",
        "syscall",
        "time",
        "unicode",
        "unicode/utf8",
        "unsafe"
    ],
    "TestGoFiles": [
        "reader_test.go",
        "strconv_test.go",
        "tar_test.go",
        "writer_test.go"
    ],
    "TestImports": [
        "bytes",
        "crypto/md5",
        "fmt",
        "internal/testenv",
        "io",
        "io/ioutil",
        "math",
        "os",
        "path",
        "path/filepath",
        "reflect",
        "sort",
        "strings",
        "testing",
        "testing/iotest",
        "time"
    ],
    "XTestGoFiles": [
        "example_test.go"
    ],
    "XTestImports": [
        "archive/tar",
        "bytes",
        "fmt",
        "io",
        "log",
        "os"
    ]
}

 /* 将原始数据,转换为图标友好的数据. 
    ImportPath 作为唯一 id 和 标签;
    Imports 用于计算依赖关系;
    节点的大小,取决于被依赖的次数;
    */
function transData(datas){
    /* 存储依赖路径信息. */
    let edges = []

    /* 存储基础节点信息. */
    let nodes = []

    /* 节点尺寸.初始是1, 每被引入一次再加1. */
    let nodedSize = {}

    /* 尺寸单位1. */
    let unitSize = 1.5

    datas.map((data)=>{
        let itemId = data.ImportPath

        nodes.push({
            "label": itemId,
            "attributes": {},
            "id": itemId,
            "size": 1
        })

        if(data.Imports){
            data.Imports.map((importItem)=>{
                edges.push({
                    "sourceID": importItem,
                    "attributes": {},
                    "targetID": itemId,
                    "size": unitSize
                })

                if(nodedSize[importItem]){
                    nodedSize[importItem] = nodedSize[importItem] + unitSize
                }else{
                    nodedSize[importItem] = unitSize
                }
            })
        }
    })

    /* 尺寸数据合并到节点上. */
    nodes.map((item)=>{
        let itemId = item.id
        if(nodedSize[itemId]){
            item.size = nodedSize[itemId]
        }
    })

    return {
        nodes,edges
    }
}