@zensen/form-service/build/utils.js

A reactive form service framework

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.extents = extents;
exports.padArray = padArray;
exports.filterEmpty = filterEmpty;
exports.moveItem = moveItem;
exports.swap = swap;
exports.traverse = traverse;
exports.map = map;
exports.deepEqual = deepEqual;
exports.deepCopy = deepCopy;
exports.setValueByPath = setValueByPath;
exports.getValueByPath = getValueByPath;
exports.getKeyPaths = getKeyPaths;

function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

var envHasBigInt64Array = typeof BigInt64Array !== 'undefined';

function extents(ext1, ext2) {
  return {
    min: ext1 < ext2 ? ext1 : ext2,
    max: ext1 > ext2 ? ext1 : ext2
  };
}

function padArray(arr, filler) {
  return arr.length ? arr : [filler];
}

function filterEmpty(arr) {
  return arr.filter(function (item) {
    return _typeof(item) === 'object' ? Object.keys(item).every(function (key) {
      return item[key];
    }) : item;
  });
}

function moveItem(arr, fromIndex, toIndex) {
  var target = arr[fromIndex];

  var result = _toConsumableArray(arr);

  result.splice(fromIndex, 1);
  result.splice(toIndex, 0, target);
  return result;
}

function swap(arr, index1, index2) {
  var result = _toConsumableArray(arr);

  result.splice(index1, 1);
  result.splice(index1, 0, arr[index2]);
  result.splice(index2, 1);
  result.splice(index2, 0, arr[index1]);
  return result;
}

function traverse(obj, onKey) {
  var includeRoot = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  var path = [''];

  var fn = function fn(target) {
    Object.entries(target).forEach(function (_ref) {
      var _ref2 = _slicedToArray(_ref, 2),
          k = _ref2[0],
          v = _ref2[1];

      path[path.length - 1] = k;
      var dateType = v instanceof Date;
      var clip = onKey([].concat(path), v) === false;
      var updatedVal = getValueByPath(obj, path);
      var nonNullObj = updatedVal !== null && _typeof(updatedVal) === 'object';

      if (!clip && !dateType && nonNullObj) {
        path.push('');
        fn(updatedVal);
        path.pop();
      }
    });
  };

  if (includeRoot) {
    onKey([], obj);
  }

  fn(obj);
}

function map(obj, onKey) {
  var result = Array.isArray(obj) ? [] : {};
  traverse(obj, function (keyPath, value) {
    var dateType = value instanceof Date;

    if (!dateType && value !== null && _typeof(value) === 'object') {
      setValueByPath(result, keyPath, Array.isArray(value) ? [] : {});
    } else {
      setValueByPath(result, keyPath, onKey(keyPath, value));
    }
  });
  return result;
}
/* Comes from the fast-deep-equal package. Copied and pasted to try to solve ESM rules... */


function deepEqual(a, b) {
  if (a === b) {
    return true;
  }

  if (a && b && _typeof(a) == 'object' && _typeof(b) == 'object') {
    if (a.constructor !== b.constructor) {
      return false;
    }

    var length, i, keys;

    if (Array.isArray(a)) {
      length = a.length;

      if (length != b.length) {
        return false;
      }

      for (i = length; i-- !== 0;) {
        if (!equal(a[i], b[i])) {
          return false;
        }
      }

      return true;
    }

    if (a instanceof Map && b instanceof Map) {
      if (a.size !== b.size) {
        return false;
      }

      var _iterator = _createForOfIteratorHelper(a.entries()),
          _step;

      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          i = _step.value;

          if (!b.has(i[0])) {
            return false;
          }
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }

      var _iterator2 = _createForOfIteratorHelper(a.entries()),
          _step2;

      try {
        for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
          i = _step2.value;

          if (!equal(i[1], b.get(i[0]))) {
            return false;
          }
        }
      } catch (err) {
        _iterator2.e(err);
      } finally {
        _iterator2.f();
      }

      return true;
    }

    if (a instanceof Set && b instanceof Set) {
      if (a.size !== b.size) {
        return false;
      }

      var _iterator3 = _createForOfIteratorHelper(a.entries()),
          _step3;

      try {
        for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
          i = _step3.value;

          if (!b.has(i[0])) {
            return false;
          }
        }
      } catch (err) {
        _iterator3.e(err);
      } finally {
        _iterator3.f();
      }

      return true;
    }

    if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) {
      length = a.length;

      if (length != b.length) {
        return false;
      }

      for (i = length; i-- !== 0;) {
        if (a[i] !== b[i]) {
          return false;
        }
      }

      return true;
    }

    if (a.constructor === RegExp) {
      return a.source === b.source && a.flags === b.flags;
    }

    if (a.valueOf !== Object.prototype.valueOf) {
      return a.valueOf() === b.valueOf();
    }

    if (a.toString !== Object.prototype.toString) {
      return a.toString() === b.toString();
    }

    keys = Object.keys(a);
    length = keys.length;

    if (length !== Object.keys(b).length) {
      return false;
    }

    for (i = length; i-- !== 0;) {
      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) {
        return false;
      }
    }

    for (i = length; i-- !== 0;) {
      var key = keys[i];

      if (!equal(a[key], b[key])) {
        return false;
      }
    }

    return true;
  }

  return a !== a && b !== b;
}

function deepCopy(obj) {
  return map(obj, function (_, value) {
    return value;
  });
}

function setValueByPath(obj, keyPath, value) {
  keyPath.reduce(function (subObj, key, index) {
    if (index === keyPath.length - 1) {
      subObj[key] = value;
    } else {
      return subObj[key];
    }
  }, obj);
}

function getValueByPath(obj, keyPath) {
  return keyPath.reduce(function (obj, key) {
    return typeof obj !== 'undefined' ? obj[key] : undefined;
  }, obj);
}

function getKeyPaths(obj) {
  var result = [];
  traverse(obj, function (keyPath) {
    return result.push(keyPath);
  });
  return result;
}