hot-formula-parser
Version:
351 lines (285 loc) • 13.5 kB
JavaScript
;
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); }
exports.__esModule = true;
exports["default"] = void 0;
var _tinyEmitter = _interopRequireDefault(require("tiny-emitter"));
var _evaluateByOperator = _interopRequireDefault(require("./evaluate-by-operator/evaluate-by-operator"));
var _grammarParser = require("./grammar-parser/grammar-parser");
var _string = require("./helper/string");
var _number = require("./helper/number");
var _error = _interopRequireWildcard(require("./error"));
var _cell = require("./helper/cell");
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
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 _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 _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 _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 _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
/**
* @class Parser
*/
var Parser = /*#__PURE__*/function (_Emitter) {
_inherits(Parser, _Emitter);
var _super = _createSuper(Parser);
function Parser() {
var _this;
_classCallCheck(this, Parser);
_this = _super.call(this);
_this.parser = new _grammarParser.Parser();
_this.parser.yy = {
toNumber: _number.toNumber,
trimEdges: _string.trimEdges,
invertNumber: _number.invertNumber,
throwError: function throwError(errorName) {
return _this._throwError(errorName);
},
callVariable: function callVariable(variable) {
return _this._callVariable(variable);
},
evaluateByOperator: _evaluateByOperator["default"],
callFunction: function callFunction(name, params) {
return _this._callFunction(name, params);
},
cellValue: function cellValue(value) {
return _this._callCellValue(value);
},
rangeValue: function rangeValue(start, end) {
return _this._callRangeValue(start, end);
}
};
_this.variables = Object.create(null);
_this.functions = Object.create(null);
_this.setVariable('TRUE', true).setVariable('FALSE', false).setVariable('NULL', null);
return _this;
}
/**
* Parse formula expression.
*
* @param {String} expression to parse.
* @return {*} Returns an object with tow properties `error` and `result`.
*/
_createClass(Parser, [{
key: "parse",
value: function parse(expression) {
var result = null;
var error = null;
try {
if (expression === '') {
result = '';
} else {
result = this.parser.parse(expression);
}
} catch (ex) {
var message = (0, _error["default"])(ex.message);
if (message) {
error = message;
} else {
error = (0, _error["default"])(_error.ERROR);
}
}
if (result instanceof Error) {
error = (0, _error["default"])(result.message) || (0, _error["default"])(_error.ERROR);
result = null;
}
return {
error: error,
result: result
};
}
/**
* Set predefined variable name which can be visible while parsing formula expression.
*
* @param {String} name Variable name.
* @param {*} value Variable value.
* @returns {Parser}
*/
}, {
key: "setVariable",
value: function setVariable(name, value) {
this.variables[name] = value;
return this;
}
/**
* Get variable name.
*
* @param {String} name Variable name.
* @returns {*}
*/
}, {
key: "getVariable",
value: function getVariable(name) {
return this.variables[name];
}
/**
* Retrieve variable value by its name.
*
* @param name Variable name.
* @returns {*}
* @private
*/
}, {
key: "_callVariable",
value: function _callVariable(name) {
var value = this.getVariable(name);
this.emit('callVariable', name, function (newValue) {
if (newValue !== void 0) {
value = newValue;
}
});
if (value === void 0) {
throw Error(_error.ERROR_NAME);
}
return value;
}
/**
* Set custom function which can be visible while parsing formula expression.
*
* @param {String} name Custom function name.
* @param {Function} fn Custom function.
* @returns {Parser}
*/
}, {
key: "setFunction",
value: function setFunction(name, fn) {
this.functions[name] = fn;
return this;
}
/**
* Get custom function.
*
* @param {String} name Custom function name.
* @returns {*}
*/
}, {
key: "getFunction",
value: function getFunction(name) {
return this.functions[name];
}
/**
* Call function with provided params.
*
* @param name Function name.
* @param params Function params.
* @returns {*}
* @private
*/
}, {
key: "_callFunction",
value: function _callFunction(name) {
var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
var fn = this.getFunction(name);
var value;
if (fn) {
value = fn(params);
}
this.emit('callFunction', name, params, function (newValue) {
if (newValue !== void 0) {
value = newValue;
}
});
return value === void 0 ? (0, _evaluateByOperator["default"])(name, params) : value;
}
/**
* Retrieve value by its label (`B3`, `B$3`, `B$3`, `$B$3`).
*
* @param {String} label Coordinates.
* @returns {*}
* @private
*/
}, {
key: "_callCellValue",
value: function _callCellValue(label) {
label = label.toUpperCase();
var _extractLabel = (0, _cell.extractLabel)(label),
_extractLabel2 = _slicedToArray(_extractLabel, 2),
row = _extractLabel2[0],
column = _extractLabel2[1];
var value = void 0;
this.emit('callCellValue', {
label: label,
row: row,
column: column
}, function (_value) {
value = _value;
});
return value;
}
/**
* Retrieve value by its label (`B3:A1`, `B$3:A1`, `B$3:$A1`, `$B$3:A$1`).
*
* @param {String} startLabel Coordinates of the first cell.
* @param {String} endLabel Coordinates of the last cell.
* @returns {Array} Returns an array of mixed values.
* @private
*/
}, {
key: "_callRangeValue",
value: function _callRangeValue(startLabel, endLabel) {
startLabel = startLabel.toUpperCase();
endLabel = endLabel.toUpperCase();
var _extractLabel3 = (0, _cell.extractLabel)(startLabel),
_extractLabel4 = _slicedToArray(_extractLabel3, 2),
startRow = _extractLabel4[0],
startColumn = _extractLabel4[1];
var _extractLabel5 = (0, _cell.extractLabel)(endLabel),
_extractLabel6 = _slicedToArray(_extractLabel5, 2),
endRow = _extractLabel6[0],
endColumn = _extractLabel6[1];
var startCell = {};
var endCell = {};
if (startRow.index <= endRow.index) {
startCell.row = startRow;
endCell.row = endRow;
} else {
startCell.row = endRow;
endCell.row = startRow;
}
if (startColumn.index <= endColumn.index) {
startCell.column = startColumn;
endCell.column = endColumn;
} else {
startCell.column = endColumn;
endCell.column = startColumn;
}
startCell.label = (0, _cell.toLabel)(startCell.row, startCell.column);
endCell.label = (0, _cell.toLabel)(endCell.row, endCell.column);
var value = [];
this.emit('callRangeValue', startCell, endCell, function () {
var _value = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
value = _value;
});
return value;
}
/**
* Try to throw error by its name.
*
* @param {String} errorName Error name.
* @returns {String}
* @private
*/
}, {
key: "_throwError",
value: function _throwError(errorName) {
if ((0, _error.isValidStrict)(errorName)) {
throw Error(errorName);
}
throw Error(_error.ERROR);
}
}]);
return Parser;
}(_tinyEmitter["default"]);
var _default = Parser;
exports["default"] = _default;