/**
 * @prettier
 */

/** Dev Note:
 * StatsWriterPlugin is disabled by default; uncomment to enable
 * when enabled, rebuilding the bundle will cause error for assetSizeLimit,
 * which we want to keep out of CI/CD
 * post build, cli command: npx webpack-bundle-analyzer <path>
 */
const configBuilder = require("./_config-builder")
const { DuplicatesPlugin } = require("inspectpack/plugin")
const {
  WebpackBundleSizeAnalyzerPlugin,
} = require("webpack-bundle-size-analyzer")
const nodeExternals = require("webpack-node-externals")
// const { StatsWriterPlugin } = require("webpack-stats-plugin")

const minimize = true
const sourcemaps = true

const result = configBuilder(
  {
    minimize,
    mangle: true,
    sourcemaps,
    includeDependencies: false,
  },
  {
    target: "browserslist",
    entry: {
      "swagger-ui-es-bundle-core": ["./src/index.js"],
    },
    experiments: {
      outputModule: true,
    },
    output: {
      module: true,
      libraryTarget: "module",
      library: {
        type: "module",
      },
      environment: {
        module: true,
      },
    },
    devtool: sourcemaps && minimize ? "source-map" : false,
    externalsType: "module",
    externals: [
      {
        esprima: "esprima",
      },
      nodeExternals({
        allowlist: [
          "deep-extend", // uses Buffer as global symbol
          "randombytes", // uses require('safe-buffer')
          "sha.js", // uses require('safe-buffer')
          "xml", // uses require('stream')
          "process/browser", // is injected via ProvidePlugin
          /^readable-stream/, // byproduct of buffer ProvidePlugin injection
          "util-deprecate", // dependency of readable-stream
          "inherits", // dependency of readable-stream
          "events", // dependency of readable-stream
          "safe-buffer", // contained in resolve.alias
          "string_decoder/", // byproduct of buffer ProvidePlugin injection
          "buffer", // buffer is injected via ProvidePlugin
        ],
        importType: (moduleName) => {
          return `module ${moduleName}`
        },
      }),
    ],
    plugins: [
      new DuplicatesPlugin({
        emitErrors: false,
        verbose: false,
      }),
      new WebpackBundleSizeAnalyzerPlugin(
        "log.es-bundle-core-sizes.swagger-ui.txt"
      ),
      // new StatsWriterPlugin({
      //   filename: path.join("log.es-bundle-core-stats.swagger-ui.json"),
      //   fields: null,
      // }),
    ],
  }
)

module.exports = result