import fs from 'fs';
import path from "path";
import { argv } from "process";

var dependencyTree = require('dependency-tree');

const filePath = argv[2];

const tree = dependencyTree({
    filename: filePath,
    directory: 'src\\',
    nodeModulesConfig: {
        entry: 'module'
    }, // optional
    filter: path => path.indexOf('node_modules') === -1, // optional
    nonExistent: [], // optional
    noTypeDefinitions: false, // optional
});


console.log("分析依赖完成");

let jsonPath = filePath.replace(".ts", ".dep.json");

const handleCircular = function ()
{
    const cache = new Set();
    return function (key: any, value: any)
    {
        if (typeof value === 'object')
        {
            if (cache.has(value))
                return '[重复]';
            cache.add(value);
        }
        return value;
    };
};

let set = new Set();
function RemoveRep(t: Object)
{
    for (let key in t)
    {
        let v = t[key];
        if (set.has(v))
            delete t[key];
        else
        {
            set.add(v);
            RemoveRep(v);
        }
    }
}

RemoveRep(tree);

let jsonData = JSON.stringify(tree, handleCircular(), 2);


let dir = path.resolve(__dirname, "..").replaceAll("\\", "\\\\");
dir = dir[0].toLowerCase() + dir.substring(1);

jsonData = jsonData.replaceAll(dir, ".");
jsonData = jsonData.replaceAll("\\\\", "/");

fs.writeFile(jsonPath, jsonData, err =>
{
    console.log(err ? err : "写出依赖成功");
});