@em-cli/shared/dist/pkgEnhance.js

脚手架工具方法包

import path from 'path';
import jsonfile from 'jsonfile';
import { readPackageUpSync } from 'read-pkg-up';
/**
 * 方便修改 pkg.json 文件
 * @param originFile  原始文件路径
 * @param enhanceObj  合并的对象
 */

function processAdd(add = {}, origin) {
  return Object.keys(add).reduce((acc, key) => {
    const originState = origin[key];
    const addState = add[key];

    if (originState) {
      acc[key] = { ...originState,
        ...addState
      };
    } else {
      acc[key] = addState;
    }

    return acc;
  }, origin);
}

function processCreate(create = {}, origin) {
  return Object.keys(create).reduce((acc, key) => {
    const createState = create[key];
    acc[key] = createState;
    return acc;
  }, origin);
}

export default async function pkgEnhance(workDir, enhanceObj) {
  const pkgInfo = getPkgInfo();
  const {
    _id,
    readme,
    ...origin
  } = pkgInfo?.packageJson;
  const {
    add,
    create
  } = enhanceObj;
  const withAdd = processAdd(add, origin);
  const withCreate = processCreate(create, withAdd);
  return await jsonfile.writeFile(path.join(workDir, 'package.json'), withCreate, {
    spaces: 2
  });
}
export function getPkgInfo() {
  const pkg = readPackageUpSync();
  return pkg;
}