recharts
Version:
React charts
171 lines (170 loc) • 7.55 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.reduceCSSCalc = reduceCSSCalc;
exports.safeEvaluateExpression = safeEvaluateExpression;
var _DataUtils = require("./DataUtils");
var _DecimalCSS;
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _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(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
var MULTIPLY_OR_DIVIDE_REGEX = /(-?\d+(?:\.\d+)?[a-zA-Z%]*)([*/])(-?\d+(?:\.\d+)?[a-zA-Z%]*)/;
var ADD_OR_SUBTRACT_REGEX = /(-?\d+(?:\.\d+)?[a-zA-Z%]*)([+-])(-?\d+(?:\.\d+)?[a-zA-Z%]*)/;
var CSS_LENGTH_UNIT_REGEX = /^(px|cm|vh|vw|em|rem|%|mm|in|pt|pc|ex|ch|vmin|vmax|Q)$/;
var NUM_SPLIT_REGEX = /(-?\d+(?:\.\d+)?)([a-zA-Z%]+)?/;
var CONVERSION_RATES = {
cm: 96 / 2.54,
mm: 96 / 25.4,
pt: 96 / 72,
pc: 96 / 6,
in: 96,
Q: 96 / (2.54 * 40),
px: 1
};
var FIXED_CSS_LENGTH_UNITS = ['cm', 'mm', 'pt', 'pc', 'in', 'Q', 'px'];
function isSupportedUnit(unit) {
return FIXED_CSS_LENGTH_UNITS.includes(unit);
}
var STR_NAN = 'NaN';
function convertToPx(value, unit) {
return value * CONVERSION_RATES[unit];
}
class DecimalCSS {
static parse(str) {
var _NUM_SPLIT_REGEX$exec;
var _ref = (_NUM_SPLIT_REGEX$exec = NUM_SPLIT_REGEX.exec(str)) !== null && _NUM_SPLIT_REGEX$exec !== void 0 ? _NUM_SPLIT_REGEX$exec : [],
_ref2 = _slicedToArray(_ref, 3),
numStr = _ref2[1],
unit = _ref2[2];
if (numStr == null) {
return DecimalCSS.NaN;
}
return new DecimalCSS(parseFloat(numStr), unit !== null && unit !== void 0 ? unit : '');
}
constructor(num, unit) {
this.num = num;
this.unit = unit;
this.num = num;
this.unit = unit;
if ((0, _DataUtils.isNan)(num)) {
this.unit = '';
}
if (unit !== '' && !CSS_LENGTH_UNIT_REGEX.test(unit)) {
this.num = NaN;
this.unit = '';
}
if (isSupportedUnit(unit)) {
this.num = convertToPx(num, unit);
this.unit = 'px';
}
}
add(other) {
if (this.unit !== other.unit) {
return new DecimalCSS(NaN, '');
}
return new DecimalCSS(this.num + other.num, this.unit);
}
subtract(other) {
if (this.unit !== other.unit) {
return new DecimalCSS(NaN, '');
}
return new DecimalCSS(this.num - other.num, this.unit);
}
multiply(other) {
if (this.unit !== '' && other.unit !== '' && this.unit !== other.unit) {
return new DecimalCSS(NaN, '');
}
return new DecimalCSS(this.num * other.num, this.unit || other.unit);
}
divide(other) {
if (this.unit !== '' && other.unit !== '' && this.unit !== other.unit) {
return new DecimalCSS(NaN, '');
}
return new DecimalCSS(this.num / other.num, this.unit || other.unit);
}
toString() {
return "".concat(this.num).concat(this.unit);
}
isNaN() {
return (0, _DataUtils.isNan)(this.num);
}
}
_DecimalCSS = DecimalCSS;
_defineProperty(DecimalCSS, "NaN", new _DecimalCSS(NaN, ''));
function calculateArithmetic(expr) {
if (expr == null || expr.includes(STR_NAN)) {
return STR_NAN;
}
var newExpr = expr;
while (newExpr.includes('*') || newExpr.includes('/')) {
var _MULTIPLY_OR_DIVIDE_R;
var _ref3 = (_MULTIPLY_OR_DIVIDE_R = MULTIPLY_OR_DIVIDE_REGEX.exec(newExpr)) !== null && _MULTIPLY_OR_DIVIDE_R !== void 0 ? _MULTIPLY_OR_DIVIDE_R : [],
_ref4 = _slicedToArray(_ref3, 4),
leftOperand = _ref4[1],
operator = _ref4[2],
rightOperand = _ref4[3];
var lTs = DecimalCSS.parse(leftOperand !== null && leftOperand !== void 0 ? leftOperand : '');
var rTs = DecimalCSS.parse(rightOperand !== null && rightOperand !== void 0 ? rightOperand : '');
var result = operator === '*' ? lTs.multiply(rTs) : lTs.divide(rTs);
if (result.isNaN()) {
return STR_NAN;
}
newExpr = newExpr.replace(MULTIPLY_OR_DIVIDE_REGEX, result.toString());
}
while (newExpr.includes('+') || /.-\d+(?:\.\d+)?/.test(newExpr)) {
var _ADD_OR_SUBTRACT_REGE;
var _ref5 = (_ADD_OR_SUBTRACT_REGE = ADD_OR_SUBTRACT_REGEX.exec(newExpr)) !== null && _ADD_OR_SUBTRACT_REGE !== void 0 ? _ADD_OR_SUBTRACT_REGE : [],
_ref6 = _slicedToArray(_ref5, 4),
_leftOperand = _ref6[1],
_operator = _ref6[2],
_rightOperand = _ref6[3];
var _lTs = DecimalCSS.parse(_leftOperand !== null && _leftOperand !== void 0 ? _leftOperand : '');
var _rTs = DecimalCSS.parse(_rightOperand !== null && _rightOperand !== void 0 ? _rightOperand : '');
var _result = _operator === '+' ? _lTs.add(_rTs) : _lTs.subtract(_rTs);
if (_result.isNaN()) {
return STR_NAN;
}
newExpr = newExpr.replace(ADD_OR_SUBTRACT_REGEX, _result.toString());
}
return newExpr;
}
var PARENTHESES_REGEX = /\(([^()]*)\)/;
function calculateParentheses(expr) {
var newExpr = expr;
var match;
// eslint-disable-next-line no-cond-assign
while ((match = PARENTHESES_REGEX.exec(newExpr)) != null) {
var _match = match,
_match2 = _slicedToArray(_match, 2),
parentheticalExpression = _match2[1];
newExpr = newExpr.replace(PARENTHESES_REGEX, calculateArithmetic(parentheticalExpression));
}
return newExpr;
}
function evaluateExpression(expression) {
var newExpr = expression.replace(/\s+/g, '');
newExpr = calculateParentheses(newExpr);
newExpr = calculateArithmetic(newExpr);
return newExpr;
}
function safeEvaluateExpression(expression) {
try {
return evaluateExpression(expression);
} catch (_unused) {
return STR_NAN;
}
}
function reduceCSSCalc(expression) {
var result = safeEvaluateExpression(expression.slice(5, -1));
if (result === STR_NAN) {
return '';
}
return result;
}