dio-cli/lib/merge.js

CLI for scaffolding dio-cli projects , 前端项目, 构建工具

const { execSync } = require("child_process");
const fs = require("fs-extra");
const path = require("path");

const { resolveCwd } = require("./utils");

const TEXT_FILE_EXT = [".js", ".json", ".css", ".scss", ".sass", ".html", ".log", ".xml", ".vue"];
const textFileTypes = new Set(TEXT_FILE_EXT);
const isTextFile = function(type) {
  return textFileTypes.has(type);
};

module.exports = (target, empty, src) => {
  const srcStats = fs.lstatSync(src);
  const srcExt = path.extname(src);

  if (isTextFile(srcExt) || !srcExt || srcStats.isDirectory()) {
    if (fs.existsSync(target) && !srcStats.isDirectory()) {
      try {
        const child = execSync(`git merge-file ${target} ${empty} ${src}`);
      } catch (err) {
        const rst = fs.readFileSync(target, { encoding: "utf-8" });
        const conflictRE = /\>{6,}/;
        const hasConflict = conflictRE.test(rst);

        if (hasConflict) return false;
        else throw err;
      }
    } else {
      fs.copySync(src, target);
    }
  } else {
    fs.copySync(src, target);
  }

  return true;
};