ibag/instructions/_instruction.js

A visual, fast, and customizable front-end scaffolding.

require("module-alias/register"); //注册module-alias
const fs = require("fs");
const path = require("path");
/**
 * 指令的基类
 */
class _instruction {
  dependenciesLists = [];
  constructor() {}
  /**
   * 依赖关系的调用
   * @param list
   */
  dependencies = function (list) {
    if (list.length === 0) {
      return;
    }
    list.forEach((instruction) => {
      // console.log('执行依赖',instruction)
      new instruction();
    });
  };
  /**
   * 执行当前指令的逻辑代码
   * @param execFun
   */
  execution = function (execFun) {
    execFun();
    // console.log('判断并执行当前指令：',this.constructor.name,'已完成')
  };
  /**
   * 函数的调用者通过run函数进行当前指令的调用
   * @param className 传入
   * @param execFun
   */
  run = function (execFun) {
    //引入haveExeced.json，性能优化，已经执行过的指令不再重复执行。
    //这个位置的路径不能以当前文件为基准写相对路径，此匿名函数并非在此处调用，是调用处的相对路径，即src/serve/resetOutput.js
    let haveExeced = JSON.parse(
      fs.readFileSync(
        path.normalize(__dirname + "/../instructions/_haveExeced.json"),
        "utf8"
      )
    );
    if (haveExeced.indexOf(this.constructor.name) !== -1) {
      return;
    } else {
      haveExeced.push(this.constructor.name);
      // console.log(haveExeced)
      fs.writeFileSync(
        path.normalize(__dirname + "/../instructions/_haveExeced.json"),
        JSON.stringify(haveExeced),
        "utf8"
      );
      this.dependencies(
        require(path.normalize(
          __dirname + "/../instructions/_dependenciesForm.js"
        ))[this.constructor.name]
      );
      this.execution(execFun);
    }
  };
}

module.exports = _instruction;