const webpack = require("webpack");
const plugins = [];

if (process.env.UNI_OPT_TREESHAKINGNG) {
  plugins.push(
    require("@dcloudio/vue-cli-plugin-uni-optimize/packages/babel-plugin-uni-api/index.js")
  );
}

if (
  (process.env.UNI_PLATFORM === "app-plus" && process.env.UNI_USING_V8) ||
  (process.env.UNI_PLATFORM === "h5" &&
    process.env.UNI_H5_BROWSER === "builtin")
) {
  const path = require("path");

  const isWin = /^win/.test(process.platform);

  const normalizePath = (path) => (isWin ? path.replace(/\\/g, "/") : path);

  const input = normalizePath(process.env.UNI_INPUT_DIR);
  try {
    plugins.push([
      require("@dcloudio/vue-cli-plugin-hbuilderx/packages/babel-plugin-console"),
      {
        file(file) {
          file = normalizePath(file);
          if (file.indexOf(input) === 0) {
            return path.relative(input, file);
          }
          return false;
        },
      },
    ]);
  } catch (e) {}
}

process.UNI_LIBRARIES = process.UNI_LIBRARIES || ["@dcloudio/uni-ui"];
process.UNI_LIBRARIES.forEach((libraryName) => {
  plugins.push([
    "import",
    {
      libraryName: libraryName,
      customName: (name) => {
        return `${libraryName}/lib/${name}/${name}`;
      },
    },
  ]);
});

if (process.env.UNI_PLATFORM !== "h5") {
  plugins.push("@babel/plugin-transform-runtime");
}

const config = {
  presets: [
    [
      "@vue/app",
      {
        modules: webpack.version[0] > 4 ? "auto" : "commonjs",
        useBuiltIns: process.env.UNI_PLATFORM === "h5" ? "usage" : "entry",
        exclude: ["h5", "app-plus"].includes(process.env.UNI_PLATFORM)
          ? undefined
          : [
              "@babel/plugin-transform-async-to-generator",
              "@babel/plugin-transform-regenerator",
            ],
      },
    ],
  ],
  plugins,
};

const UNI_H5_TEST = "**/@dcloudio/uni-h5/dist/index.umd.min.js";
if (process.env.NODE_ENV === "production") {
  config.overrides = [
    {
      test: UNI_H5_TEST,
      compact: true,
    },
  ];
} else {
  config.ignore = [UNI_H5_TEST];
}

module.exports = config;