genrules/index.js

import fs, { readFileSync } from "fs"
import path from "path"

const outbounds = []
fs.readdirSync("proxies").forEach(file => {
    if (
        fs.statSync(path.resolve("proxies", file)).isDirectory() ||
        file.startsWith(".") ||
        !file.toLowerCase().endsWith(".txt")
    )
        return

    fs.readFileSync(path.resolve("proxies", file))
        .toString()
        .split("\n")
        .filter(line => !!line)
        .forEach((line, i) => {
            const [host, port, username, password] = line.split(":")
            outbounds.push({
                tag: `${file.replace(".txt", "")}-${i + 1}`,
                protocol: "http",
                settings: {
                    servers: [
                        {
                            address: host,
                            port: parseInt(port),
                            users: [
                                {
                                    user: username,
                                    pass: password
                                }
                            ]
                        }
                    ]
                }
            })
        })
})
fs.writeFileSync(
    path.resolve("dist", "outbounds.json"),
    JSON.stringify(outbounds, null, 2)
)

const routingRules = outbounds.map((p, i) => {
    return {
        type: "field",
        user: [p.tag],
        outboundTag: p.tag
    }
})

fs.writeFileSync(
    path.resolve("dist", "routingRules.json"),
    JSON.stringify(routingRules, null, 2)
)

const xray = JSON.parse(
    fs.readFileSync(path.resolve("config", "xray.json")).toString()
)
xray.outbounds = xray.outbounds.concat(outbounds)
xray.routing.rules = xray.routing.rules.concat(routingRules)

fs.writeFileSync(
    path.resolve("dist", "xray_edited.json"),
    JSON.stringify(xray, null, 2)
)