"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _terser = require("terser");

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var buildUglifyOptions = function buildUglifyOptions() {
  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
      ecma = _ref.ecma,
      warnings = _ref.warnings,
      _ref$parse = _ref.parse,
      parse = _ref$parse === void 0 ? {} : _ref$parse,
      _ref$compress = _ref.compress,
      compress = _ref$compress === void 0 ? {} : _ref$compress,
      mangle = _ref.mangle,
      output = _ref.output,
      toplevel = _ref.toplevel,
      nameCache = _ref.nameCache,
      ie8 = _ref.ie8,
      keep_classnames = _ref.keep_classnames,
      keep_fnames = _ref.keep_fnames,
      safari10 = _ref.safari10;

  return {
    ecma,
    warnings,
    parse: _objectSpread({}, parse),
    compress: typeof compress === 'boolean' ? compress : _objectSpread({}, compress),
    // eslint-disable-next-line no-nested-ternary
    mangle: mangle == null ? true : typeof mangle === 'boolean' ? mangle : _objectSpread({}, mangle),
    output: _objectSpread({
      shebang: true,
      comments: false,
      beautify: false,
      semicolons: true
    }, output),
    // Ignoring sourceMap from options
    sourceMap: null,
    toplevel,
    nameCache,
    ie8,
    keep_classnames,
    keep_fnames,
    safari10
  };
};

var buildComments = function buildComments(options, terserOptions, extractedComments) {
  var condition = {};
  var commentsOpts = terserOptions.output.comments; // /^\**!|@preserve|@license|@cc_on/

  if (typeof options.extractComments === 'boolean') {
    condition.preserve = commentsOpts;
    condition.extract = /^\**!|@preserve|@license|@cc_on/;
  } else if (typeof options.extractComments === 'string' || options.extractComments instanceof RegExp) {
    // extractComments specifies the extract condition and commentsOpts specifies the preserve condition
    condition.preserve = commentsOpts;
    condition.extract = options.extractComments;
  } else if (typeof options.extractComments === 'function') {
    condition.preserve = false;
    condition.extract = options.extractComments;
  } else if (Object.prototype.hasOwnProperty.call(options.extractComments, 'condition')) {
    // Extract condition is given in extractComments.condition
    condition.preserve = commentsOpts;
    condition.extract = options.extractComments.condition;
  } else {
    // No extract condition is given. Extract comments that match commentsOpts instead of preserving them
    condition.preserve = false;
    condition.extract = commentsOpts;
  } // Ensure that both conditions are functions


  ['preserve', 'extract'].forEach(function (key) {
    var regexStr;
    var regex;

    switch (typeof condition[key]) {
      case 'boolean':
        condition[key] = condition[key] ? function () {
          return true;
        } : function () {
          return false;
        };
        break;

      case 'function':
        break;

      case 'string':
        if (condition[key] === 'all') {
          condition[key] = function () {
            return true;
          };

          break;
        }

        if (condition[key] === 'some') {
          condition[key] = function (astNode, comment) {
            return comment.type === 'comment2' && /@preserve|@license|@cc_on/i.test(comment.value);
          };

          break;
        }

        regexStr = condition[key];

        condition[key] = function (astNode, comment) {
          return new RegExp(regexStr).test(comment.value);
        };

        break;

      default:
        regex = condition[key];

        condition[key] = function (astNode, comment) {
          return regex.test(comment.value);
        };

    }
  }); // Redefine the comments function to extract and preserve
  // comments according to the two conditions

  return function (astNode, comment) {
    if (condition.extract(astNode, comment)) {
      extractedComments.push(comment.type === 'comment2' ? `/*${comment.value}*/` : `//${comment.value}`);
    }

    return condition.preserve(astNode, comment);
  };
};

var minify = function minify(options) {
  var file = options.file,
      input = options.input,
      inputSourceMap = options.inputSourceMap,
      extractComments = options.extractComments,
      minifyFn = options.minify;

  if (minifyFn) {
    return minifyFn({
      [file]: input
    }, inputSourceMap);
  } // Copy uglify options


  var terserOptions = buildUglifyOptions(options.uglifyOptions); // Add source map data

  if (inputSourceMap) {
    terserOptions.sourceMap = {
      content: inputSourceMap
    };
  }

  var extractedComments = [];

  if (extractComments) {
    terserOptions.output.comments = buildComments(options, terserOptions, extractedComments);
  }

  var _terserMinify = (0, _terser.minify)({
    [file]: input
  }, terserOptions),
      error = _terserMinify.error,
      map = _terserMinify.map,
      code = _terserMinify.code,
      warnings = _terserMinify.warnings;

  return {
    error,
    map,
    code,
    warnings,
    extractedComments
  };
};

var _default = minify;
exports.default = _default;