vue-cli-plugin-winupon/generator/utils.js

winpuon vue-cli3 plugin

const fs = require("fs");
module.exports = api => {
  return {
    // 添加js到js文件import后
    addJsData(file, script) {
      try {
        fs.readFile(file, "utf-8", (err, data) => {
          // 筛选掉在原文件中存在的内容
          script = script.filter((item, index) => {
            return !data.includes(item);
          });
          if (!script.length) return; // 如果没有要添加的就退出
          script.unshift(""); // 多添加一个空字符串以添加换行
          data = data.split("\n");
          data.some((item, index) => {
            if (!item.includes("import")) {
              data.splice(index, 0, ...script);
              return true;
            }
          });
          fs.writeFileSync(file, data.join("\n"), "utf-8");
        });
      } catch (error) {
        console.log(error);
      }
    },
    // 更新vue.config.js
    updateVueConfig(config) {
      const rsPath = api.resolve("./vue.config.js");
      if (fs.existsSync(rsPath)) {
        config = { ...require(rsPath), ...config };
      }
      fs.writeFile(rsPath, api.genJSConfig(config), err => {
        console.log(err);
      });
    }
  };
};