@vin_coder/pg-cli/lib/utils/Generator.js

pg-cli 构建项目工具

const GeneratorAPI = require("./GeneratorAPI");
const normalizeFilePaths = require("./normalizeFilePaths");
const writeFileTree = require("./writeFileTree");
const sortObject = require("./sortObject");

module.exports = class Generator {
  constructor(
    context,
    {
      pkg = {},
      plugins = [],
      currentProjectName = "",
      invoking = false,
      files = {},
    } = {}
  ) {
    this.context = context;
    this.pkg = pkg;
    this.currentProjectName = currentProjectName;
    this.plugins = plugins;
    this.invoking = invoking;
    this.fileMiddleWares = [];
    this.files = files;
    const cliService = plugins.find(
      (p) => p.id === "@vin_coder/pg-cli-service"
    );
    const rootOptions = cliService ? cliService.options : inferRootOptions(pkg);

    this.rootOptions = rootOptions;
  }

  async generate() {
    await this.initPlugins();

    const initialFiles = Object.assign({}, this.files);

    //等待 虚拟文件树 生成
    await this.resolveFiles();

    // package.json 排序
    this.sortPkg();
    this.files["package.json"] = JSON.stringify(this.pkg, null, 2) + "\n";

    // 将文件 写入 硬盘
    await writeFileTree(this.context, this.files, initialFiles);
  }

  async initPlugins() {
    const { rootOptions, invoking } = this;

    for (const plugin of this.plugins) {
      const { id, apply, options } = plugin;
      const api = new GeneratorAPI(id, this, options, rootOptions);
      await apply(api, options, rootOptions, invoking);
    }
  }

  async resolveFiles() {
    const files = this.files;
    let currentProjectName = this.currentProjectName;

    for (const middleware of this.fileMiddleWares) {
      await middleware(files, currentProjectName);
    }

    normalizeFilePaths(files);

    //TODO: handle imports and root option injections
  }

  sortPkg() {
    // ensure package.json keys has readable order
    this.pkg.dependencies = sortObject(this.pkg.dependencies);
    this.pkg.devDependencies = sortObject(this.pkg.devDependencies);
    this.pkg.scripts = sortObject(this.pkg.scripts, [
      "serve",
      "build",
      "test",
      "e2e",
      "lint",
      "deploy",
    ]);
    this.pkg = sortObject(this.pkg, [
      "name",
      "version",
      "private",
      "description",
      "author",
      "scripts",
      "main",
      "module",
      "browser",
      "jsDelivr",
      "unpkg",
      "files",
      "dependencies",
      "devDependencies",
      "peerDependencies",
      "vue",
      "babel",
      "eslintConfig",
      "prettier",
      "postcss",
      "browserslist",
      "jest",
    ]);
  }
};