webpack-scp-plugin/lib/index.js

Webpack Plugin to copy assets to remote machine using scp

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
const node_ssh_1 = require("node-ssh");
const ERROR_MESSAGES = {
    missingRequiredParam: (param) => `Missing required parameter ${param}`
};
class WebpackScpPlugin {
    constructor(options) {
        this.srcPath = options.srcPath;
        this.destPath = options.destPath;
        this.connect = options.connect;
        this.sshConnection = null;
        this.validateOptions();
    }
    validateOptions() {
        if (!this.destPath) {
            throw new Error(ERROR_MESSAGES.missingRequiredParam("destPath"));
        }
        if (!this.connect) {
            throw new Error(ERROR_MESSAGES.missingRequiredParam("connect"));
        }
    }
    getConnection() {
        return __awaiter(this, void 0, void 0, function* () {
            if (this.sshConnection) {
                return new Promise((res) => res(this.sshConnection));
            }
            else {
                const ssh = new node_ssh_1.NodeSSH();
                yield ssh.connect(this.connect);
                this.sshConnection = ssh;
                return this.sshConnection;
            }
        });
    }
    closeConnection() {
        if (this.sshConnection) {
            this.sshConnection.dispose();
            this.sshConnection = null;
        }
    }
    uploadSourceMap(fromPath) {
        return __awaiter(this, void 0, void 0, function* () {
            const sshConnect = yield this.getConnection();
            const srcPath = this.srcPath || fromPath;
            yield sshConnect.putDirectory(srcPath, this.destPath, {
                concurrency: 10
            });
            this.closeConnection();
        });
    }
    apply(compiler) {
        compiler.hooks.afterEmit.tapPromise("WebpackScpPlugin", (compilation) => __awaiter(this, void 0, void 0, function* () {
            try {
                console.log(`Upload assets to ${this.connect.host}.`);
                const { outputPath } = compiler;
                yield this.uploadSourceMap(outputPath);
            }
            catch (err) {
                err.message = `WebpackScpPlugin: ${err.message}`;
                console.error(err.message);
                compilation.errors.push(err);
            }
        }));
    }
}
module.exports = WebpackScpPlugin;