port-images.js

/**
1. 有@3x的优先取@3x， 如 add@3x.png
2. 没有@3x的优先取@2x，如 add@2x.png
3. 没有@3x和@2x的，取图片名称本身，如 add.png
 */

const path = require("path");
const shell = require("shelljs");

const files = {};
function portImages(dir) {
  const dirPath = path.join(__dirname, "../../app", dir);
  shell.cd(dirPath);
  console.log("dirPath", dirPath);

  shell
    .exec("fd png") // brew install fd , jpg, svg
    .toString()
    .split("\n")
    .filter((item) => !!item)
    .forEach((file) => {
      const filePath = path.join(dirPath, file);
      files[filePath] = true;
    });
}

function processAllImages() {
  ["icons", "images"].forEach((dir) => {
    portImages(dir);
  });

  for (const file in files) {
    if (!file.includes("@2x") && !file.includes("@3x")) {
      const newFile = file
        .replace("/icons/", "/icons2/")
        .replace("/images/", "/images2/");

      shell.mkdir("-p", path.dirname(newFile));
      shell.cp(file, newFile);
    } else if (file.includes("@2x")) {
      const newFile = file
        .replace("@2x", "")
        .replace("/icons/", "/icons2/")
        .replace("/images/", "/images2/");

      shell.mkdir("-p", path.dirname(newFile));
      shell.cp(file, newFile);
    } else if (file.includes("@3x")) {
      const newFile = file
        .replace("@3x", "")
        .replace("/icons/", "/icons2/")
        .replace("/images/", "/images2/");

      // console.log("3x", file, newFile);

      shell.mkdir("-p", path.dirname(newFile));
      shell.cp(file, newFile);
    }
  }
}

processAllImages();