如何將類語法內的JSON發送到API？

Question

假設我有一個普通的mjs文件和這樣的API：

// Storage.mjs
class Storage {
    constructor(name, age) {
        this.name = name;
        this.age = age;
        this.json = JSON.stringify(this);
    }
}
var store = new Storage('eMart', 2);

// server.js
var express = require('express'),
    fs = require('fs'),
    data = fs.readFileSync('website/js/storage.mjs'),
    convert = JSON.parse(data);

var app = express(),
    server = app.listen(3000, initialize);

console.log(convert);

function initialize() {
    console.log("Local Host Initialized.");
}

app.use(express.static('website'));

我的目標是將JSON數據發送到class syntax內部的API中，但是每次Node拋出undefined的錯誤和類似此圖片的錯誤時，都不會發生。

大多數人的問題是將數據從API發送到特定的js文件，這與我的情況完全相反。 從那里很難找到解決方案。

是否有將JSON數據傳遞到API的適當方法？

Answer 1

我想這就是你想要的嗎？

 // assume this is loaded with fs.readFileSync const mjs = ` class Storage { constructor(name, age) { this.name = name; this.age = age; this.json = JSON.stringify(this); } } var store = new Storage('eMart', 2); // I assume you missed the quote here `; eval(mjs); // You can't just convert an js file into a JSON, you have to eval it first(not safe, use it with caution) let result = JSON.parse(store.json); // Since the file outputs a variable called "store" and it has a "json" property console.log(result); 

server.js代碼段

// server.js
var express = require('express'),
    fs = require('fs'),
    data = fs.readFileSync('website/js/storage.mjs');  

(0, eval)(data);  // indirect eval
var convert = JSON.parse(store.json);

var app = express(),
    server = app.listen(3000, initialize);

console.log(convert);

function initialize() {
    console.log("Local Host Initialized.");
}

app.use(express.static('website'));