All files / resizin/lib/options options.js

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"use strict";
 
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.serializeOptions = void 0;
 
var _isArray = _interopRequireDefault(require("lodash/isArray"));
 
var _map = _interopRequireDefault(require("lodash/map"));
 
var _find = _interopRequireDefault(require("lodash/find"));
 
var _castArray = _interopRequireDefault(require("lodash/castArray"));
 
var _isEmpty = _interopRequireDefault(require("lodash/isEmpty"));
 
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
 
var TRANSFORMS = {
  string: function string(v) {
    return (v || '').toString();
  },
  array: function array(v) {
    switch (true) {
      case (0, _isArray["default"])(v):
        return (0, _map["default"])(v, TRANSFORMS.string).join('_');
 
      default:
        return TRANSFORMS.string(v);
    }
  },
  "enum": function _enum(options) {
    return function (v) {
      var val = (0, _find["default"])(options, function (option) {
        return option === v;
      });
      return TRANSFORMS.string(val);
    };
  },
  "int": function int(v) {
    return TRANSFORMS.string(parseInt(v, 10) || '');
  },
  intArray: function intArray(v) {
    var values = (0, _map["default"])((0, _castArray["default"])(v), TRANSFORMS["int"]);
    return values.some(_isEmpty["default"]) ? '' : TRANSFORMS.array(values);
  },
  bool: function bool(v) {
    return v ? '1' : '';
  }
};
var OPTIONS = {
  width: {
    identifier: 'w',
    transform: TRANSFORMS["int"]
  },
  height: {
    identifier: 'h',
    transform: TRANSFORMS["int"]
  },
  filter: {
    identifier: 'f',
    transform: TRANSFORMS["enum"](['sepia', 'grayscale', 'sharpen', 'blur', 'negative', 'edge', 'gauss'])
  },
  square: {
    identifier: 's',
    transform: TRANSFORMS["int"]
  },
  gravity: {
    identifier: 'g',
    transform: TRANSFORMS["enum"](['north', 'south', 'east', 'center', 'west', 'northeast', 'southeast', 'southwest', 'face'])
  },
  crop: {
    identifier: 'c',
    transform: TRANSFORMS["enum"](['fill', 'fit', 'pad', 'scale', 'cut', 'face'])
  },
  left: {
    identifier: 'x',
    transform: TRANSFORMS["int"]
  },
  top: {
    identifier: 'y',
    transform: TRANSFORMS["int"]
  },
  rotate: {
    identifier: 'r',
    transform: TRANSFORMS["enum"]([90, 180, 270, 360])
  },
  border: {
    identifier: 'b',
    transform: TRANSFORMS.intArray
  },
  backgroundColor: {
    identifier: 'bg'
  },
  quality: {
    identifier: 'q',
    transform: TRANSFORMS["int"]
  },
  upscale: {
    identifier: 'u',
    transform: TRANSFORMS.bool
  }
};
 
var serializeOption = function serializeOption(value, optionName) {
  var option = OPTIONS[optionName];
 
  if (!option) {
    return '';
  }
 
  var transform = option.transform || TRANSFORMS.string;
  var normalizedValue = transform(value);
  return normalizedValue ? "".concat(option.identifier, "_").concat(normalizedValue) : '';
};
 
var serializeOptions = function serializeOptions() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
 
  if (!options || (0, _isEmpty["default"])(options)) {
    return '';
  }
 
  return (0, _map["default"])(options, serializeOption).filter(Boolean).join('-');
};
 
exports.serializeOptions = serializeOptions;