webpack-plugin-pack-war/src/index.js

a plugin based on archiver to pack web project's output files to .war or .zip file.

const archiver = require("archiver");
const fs = require("fs");
const path = require("path");
let buildType = "zip";
function PackOutputFilesToWarPlugin(options) {
  console.log("options", options);
  if (options && options.buildType && options.buildType != "") {
    buildType = options.buildType;
  }
}

PackOutputFilesToWarPlugin.prototype.apply = function (compiler) {
  // 生成资源到 output 目录之后执行
  compiler.plugin("afterEmit", function (compilation) {
    const dir = compilation.compiler.outputPath;
    const buildFolderName = dir.substring(dir.lastIndexOf("\\") + 1);
    const buildPathParent = dir.substring(0, dir.lastIndexOf("\\"));
    const pkgDir = buildPathParent + `/${buildFolderName}-pkg`;
    const fileName = dir.substring(dir.lastIndexOf("\\") + 1);

    const zipFilePath = pkgDir + "/" + fileName + ".zip";
    //写war包需要的文件
    if (buildType == "war") {
      const tempFileDir = path.join(__dirname, "template-files");
      writeToDir(tempFileDir, dir);
    }
    console.log(dir, zipFilePath);
    if (!fs.existsSync(pkgDir)) {
      fs.mkdirSync(pkgDir, {
        recursive: true,
      });
    }
    //先打zip
    const output = fs.createWriteStream(zipFilePath);
    const archive = archiver("zip", {
      zlib: { level: 9 },
    });
    output.on("close", function () {
      let outFilePath = zipFilePath;
      if (buildType == "war") {
        const warFilePath = pkgDir + "/" + fileName + ".war";
        outFilePath = warFilePath;
        fs.renameSync(zipFilePath, warFilePath);
      }
      console.log("\x1b[32m", "打包完成", outFilePath, "\x1b[37m");
    });
    archive.on("error", function (err) {
      throw err;
    });
    archive.on("finish", function () {});

    archive.pipe(output);
    archive.directory(dir, false);

    //完成归档
    archive.finalize();
  });
};

function writeToDir(sourceDir, targetDir) {
  const files = fs.readdirSync(sourceDir);
  files.forEach((item, index) => {
    const fpath = path.join(sourceDir, item);
    const tpath = path.join(targetDir, item);
    const stat = fs.statSync(fpath);
    if (stat.isDirectory()) {
      fs.mkdirSync(tpath);
      writeToDir(fpath, tpath);
    } else if (stat.isFile()) {
      fs.copyFileSync(fpath, tpath);
    }
  });
}
module.exports = PackOutputFilesToWarPlugin;