nobuilder-json/scripts/libBase.js

nobuilder

// 设置 ENV
process.env.NODE_ENV = "development";
process.env.BABEL_ENV = "development";

// 保证 unhandle process 能抛出异常
process.on("unhandledRejection", err => {
  throw err;
});

// 加载环境变量
require("./lib/env");

const fs = require("fs-extra");
const path = require("path");
const babel = require("babel-core");
const assert = require("assert");
const glob = require("glob");
const chalk = require("chalk");
const { rmdir, mkdir } = require("./utils");
const babelConfig = require("./lib/babelConfig");

const ES_PATTERN = /\.(js|jsx|mjs|tsx)$/;

async function run(basedir, customFiles) {
  const srcDir = path.join(basedir, "src");
  const destDir = path.join(basedir, "lib");

  assert(fs.existsSync(srcDir), `${srcDir} directory should exists`);

  console.log(chalk.cyan("Starting to transform src files to lib ...\n"));

  if (!customFiles) {
    // remove old destDir
    console.log(" - %s %s", chalk.yellow("remove"), destDir);
    await rmdir(destDir);
    await mkdir(destDir);
  }

  // transform
  const files =
    customFiles ||
    glob.sync("**/*.*", {
      cwd: srcDir
    });

  for (let file of files) {
    if (file.startsWith(`${srcDir}/`)) {
      file = file.replace(`${srcDir}/`, "");
    }

    const srcFile = path.resolve(srcDir, file);
    let destFile = path.resolve(destDir, file);

    // 如果是 ES 代码, 就 transform
    if (file.match(ES_PATTERN)) {
      console.log(" - %s %s", chalk.green("transform"), file);
      destFile = destFile.replace(ES_PATTERN, ".tsx");
      const content = fs.readFileSync(srcFile, "utf8");
      await mkdir(path.dirname(destFile));
      fs.writeFileSync(
        destFile.replace(".tsx", ".js"),
        babel.transform(content, { ...babelConfig, filename: destFile }).code
      );
    } else {
      console.log(" - %s %s", chalk.green("copy"), file);
      await fs.copy(srcFile, destFile);
    }
  }
  console.log(chalk.green("\nTransform successfully!"));
}

module.exports = run;